sdl-ios-xcode: src/atomic/qnx/SDL

annotate src/atomic/qnx/SDL_atomic.c @ 4881:0972c2893e68

Add missing imm32.lib from VS2010 project

author	Andreas Schiffler <aschiffler@ferzkopp.net>
date	Tue, 07 Sep 2010 20:56:02 -0700
parents	f7b03b6838cb
children

rev	line source
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	1 /*
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	2 SDL - Simple DirectMedia Layer
3697 f7b03b6838cb Fixed bug #926 Sam Lantinga <slouken@libsdl.org> parents: 3364 diff changeset	3 Copyright (C) 1997-2010 Sam Lantinga
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	4
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	5 This library is free software; you can redistribute it and/or
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	7 License as published by the Free Software Foundation; either
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	9
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	13 Lesser General Public License for more details.
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	14
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	16 License along with this library; if not, write to the Free Software
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	18
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	19 Sam Lantinga
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	20 slouken@libsdl.org
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	21
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	22 QNX native atomic operations
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	23 Copyright (C) 2009 Mike Gorchak
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	24 (mike@malva.ua, lestat@i.com.ua)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	25 */
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	26
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	27 #include "SDL_stdinc.h"
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	28 #include "SDL_atomic.h"
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	29 #include "SDL_error.h"
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	30
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	31 #include <atomic.h>
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	32
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	33 /* SMP Exchange for PPC platform */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	34 #ifdef __PPC__
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	35 #include <ppc/smpxchg.h>
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	36 #endif /* __PPC__ */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	37
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	38 /* SMP Exchange for ARM platform */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	39 #ifdef __ARM__
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	40 #include <arm/smpxchg.h>
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	41 #endif /* __ARM__ */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	42
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	43 /* SMP Exchange for MIPS platform */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	44 #if defined (__MIPSEB__) \|\| defined(__MIPSEL__)
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	45 #include <mips/smpxchg.h>
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	46 #endif /* __MIPSEB__ \|\| __MIPSEL__ */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	47
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	48 /* SMP Exchange for SH platform */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	49 #ifdef __SH__
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	50 #include <sh/smpxchg.h>
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	51 #endif /* __SH__ */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	52
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	53 /* SMP Exchange for x86 platform */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	54 #ifdef __X86__
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	55 #include <x86/smpxchg.h>
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	56 #endif /* __X86__ */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	57
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	58 /*
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	59 This file provides 32, and 64 bit atomic operations. If the
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	60 operations are provided by the native hardware and operating system
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	61 they are used. If they are not then the operations are emulated
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	62 using the SDL spin lock operations. If spin lock can not be
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	63 implemented then these functions must fail.
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	64 */
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	65
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	66 void
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	67 SDL_AtomicLock(SDL_SpinLock *lock)
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	68 {
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	69 unsigned volatile* l = (unsigned volatile*)lock;
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	70 Uint32 oldval = 0;
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	71 Uint32 newval = 1;
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	72
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	73 oldval = _smp_xchg(l, newval);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	74 while(1 == oldval)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	75 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	76 oldval = _smp_xchg(l, newval);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	77 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	78 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	79
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	80 void
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	81 SDL_AtomicUnlock(SDL_SpinLock *lock)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	82 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	83 unsigned volatile* l = (unsigned volatile*)lock;
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	84 Uint32 newval = 0;
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	85
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	86 _smp_xchg(l, newval);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	87 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	88
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	89 /*
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	90 QNX 6.4.1 supports only 32 bit atomic access
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	91 */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	92
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	93 #undef nativeTestThenSet32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	94 #define nativeClear32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	95 #define nativeFetchThenIncrement32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	96 #define nativeFetchThenDecrement32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	97 #define nativeFetchThenAdd32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	98 #define nativeFetchThenSubtract32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	99 #define nativeIncrementThenFetch32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	100 #define nativeDecrementThenFetch32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	101 #define nativeAddThenFetch32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	102 #define nativeSubtractThenFetch32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	103
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	104 #undef nativeTestThenSet64
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	105 #undef nativeClear64
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	106 #undef nativeFetchThenIncrement64
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	107 #undef nativeFetchThenDecrement64
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	108 #undef nativeFetchThenAdd64
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	109 #undef nativeFetchThenSubtract64
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	110 #undef nativeIncrementThenFetch64
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	111 #undef nativeDecrementThenFetch64
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	112 #undef nativeAddThenFetch64
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	113 #undef nativeSubtractThenFetch64
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	114
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	115 /*
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	116 If any of the operations are not provided then we must emulate some
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	117 of them. That means we need a nice implementation of spin locks
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	118 that avoids the "one big lock" problem. We use a vector of spin
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	119 locks and pick which one to use based on the address of the operand
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	120 of the function.
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	121
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	122 To generate the index of the lock we first shift by 3 bits to get
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	123 rid on the zero bits that result from 32 and 64 bit allignment of
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	124 data. We then mask off all but 5 bits and use those 5 bits as an
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	125 index into the table.
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	126
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	127 Picking the lock this way insures that accesses to the same data at
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	128 the same time will go to the same lock. OTOH, accesses to different
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	129 data have only a 1/32 chance of hitting the same lock. That should
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	130 pretty much eliminate the chances of several atomic operations on
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	131 different data from waiting on the same "big lock". If it isn't
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	132 then the table of locks can be expanded to a new size so long as
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	133 the new size is a power of two.
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	134 */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	135
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	136 static SDL_SpinLock locks[32] = {
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	137 0, 0, 0, 0, 0, 0, 0, 0,
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	138 0, 0, 0, 0, 0, 0, 0, 0,
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	139 0, 0, 0, 0, 0, 0, 0, 0,
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	140 0, 0, 0, 0, 0, 0, 0, 0,
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	141 };
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	142
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	143 static __inline__ void
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	144 privateWaitLock(volatile void *ptr)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	145 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	146 #if SIZEOF_VOIDP == 4
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	147 Uint32 index = ((((Uint32)ptr) >> 3) & 0x1f);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	148 #elif SIZEOF_VOIDP == 8
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	149 Uint64 index = ((((Uint64)ptr) >> 3) & 0x1f);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	150 #endif /* SIZEOF_VOIDP */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	151
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	152 SDL_AtomicLock(&locks[index]);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	153 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	154
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	155 static __inline__ void
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	156 privateUnlock(volatile void *ptr)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	157 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	158 #if SIZEOF_VOIDP == 4
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	159 Uint32 index = ((((Uint32)ptr) >> 3) & 0x1f);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	160 #elif SIZEOF_VOIDP == 8
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	161 Uint64 index = ((((Uint64)ptr) >> 3) & 0x1f);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	162 #endif /* SIZEOF_VOIDP */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	163
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	164 SDL_AtomicUnlock(&locks[index]);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	165 }
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	166
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	167 /* 32 bit atomic operations */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	168
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	169 SDL_bool
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	170 SDL_AtomicTestThenSet32(volatile Uint32 * ptr)
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	171 {
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	172 #ifdef nativeTestThenSet32
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	173 #else
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	174 SDL_bool result = SDL_FALSE;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	175
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	176 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	177 result = (*ptr == 0);
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	178 if (result)
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	179 {
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	180 *ptr = 1;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	181 }
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	182 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	183
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	184 return result;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	185 #endif /* nativeTestThenSet32 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	186 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	187
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	188 void
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	189 SDL_AtomicClear32(volatile Uint32 * ptr)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	190 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	191 #ifdef nativeClear32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	192 atomic_clr(ptr, 0xFFFFFFFF);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	193 #else
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	194 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	195 *ptr = 0;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	196 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	197
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	198 return;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	199 #endif /* nativeClear32 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	200 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	201
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	202 Uint32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	203 SDL_AtomicFetchThenIncrement32(volatile Uint32 * ptr)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	204 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	205 #ifdef nativeFetchThenIncrement32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	206 return atomic_add_value(ptr, 0x00000001);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	207 #else
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	208 Uint32 tmp = 0;
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	209
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	210 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	211 tmp = *ptr;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	212 (*ptr)+= 1;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	213 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	214
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	215 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	216 #endif /* nativeFetchThenIncrement32 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	217 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	218
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	219 Uint32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	220 SDL_AtomicFetchThenDecrement32(volatile Uint32 * ptr)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	221 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	222 #ifdef nativeFetchThenDecrement32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	223 return atomic_sub_value(ptr, 0x00000001);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	224 #else
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	225 Uint32 tmp = 0;
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	226
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	227 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	228 tmp = *ptr;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	229 (*ptr) -= 1;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	230 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	231
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	232 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	233 #endif /* nativeFetchThenDecrement32 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	234 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	235
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	236 Uint32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	237 SDL_AtomicFetchThenAdd32(volatile Uint32 * ptr, Uint32 value)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	238 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	239 #ifdef nativeFetchThenAdd32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	240 return atomic_add_value(ptr, value);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	241 #else
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	242 Uint32 tmp = 0;
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	243
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	244 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	245 tmp = *ptr;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	246 (*ptr)+= value;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	247 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	248
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	249 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	250 #endif /* nativeFetchThenAdd32 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	251 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	252
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	253 Uint32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	254 SDL_AtomicFetchThenSubtract32(volatile Uint32 * ptr, Uint32 value)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	255 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	256 #ifdef nativeFetchThenSubtract32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	257 return atomic_sub_value(ptr, value);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	258 #else
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	259 Uint32 tmp = 0;
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	260
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	261 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	262 tmp = *ptr;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	263 (*ptr)-= value;
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	264 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	265
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	266 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	267 #endif /* nativeFetchThenSubtract32 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	268 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	269
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	270 Uint32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	271 SDL_AtomicIncrementThenFetch32(volatile Uint32 * ptr)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	272 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	273 #ifdef nativeIncrementThenFetch32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	274 atomic_add(ptr, 0x00000001);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	275 return atomic_add_value(ptr, 0x00000000);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	276 #else
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	277 Uint32 tmp = 0;
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	278
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	279 privateWaitLock(ptr);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	280 (*ptr)+= 1;
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	281 tmp = *ptr;
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	282 privateUnlock(ptr);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	283
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	284 return tmp;
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	285 #endif /* nativeIncrementThenFetch32 */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	286 }
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	287
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	288 Uint32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	289 SDL_AtomicDecrementThenFetch32(volatile Uint32 * ptr)
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	290 {
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	291 #ifdef nativeDecrementThenFetch32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	292 atomic_sub(ptr, 0x00000001);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	293 return atomic_sub_value(ptr, 0x00000000);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	294 #else
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	295 Uint32 tmp = 0;
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	296
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	297 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	298 (*ptr)-= 1;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	299 tmp = *ptr;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	300 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	301
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	302 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	303 #endif /* nativeDecrementThenFetch32 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	304 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	305
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	306 Uint32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	307 SDL_AtomicAddThenFetch32(volatile Uint32 * ptr, Uint32 value)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	308 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	309 #ifdef nativeAddThenFetch32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	310 atomic_add(ptr, value);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	311 return atomic_add_value(ptr, 0x00000000);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	312 #else
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	313 Uint32 tmp = 0;
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	314
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	315 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	316 (*ptr)+= value;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	317 tmp = *ptr;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	318 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	319
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	320 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	321 #endif /* nativeAddThenFetch32 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	322 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	323
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	324 Uint32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	325 SDL_AtomicSubtractThenFetch32(volatile Uint32 * ptr, Uint32 value)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	326 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	327 #ifdef nativeSubtractThenFetch32
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	328 atomic_sub(ptr, value);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	329 return atomic_sub_value(ptr, 0x00000000);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	330 #else
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	331 Uint32 tmp = 0;
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	332
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	333 privateWaitLock(ptr);
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	334 (*ptr)-= value;
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	335 tmp = *ptr;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	336 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	337
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	338 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	339 #endif /* nativeSubtractThenFetch32 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	340 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	341
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	342 /* 64 bit atomic operations */
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	343 #ifdef SDL_HAS_64BIT_TYPE
70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	344
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	345 SDL_bool
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	346 SDL_AtomicTestThenSet64(volatile Uint64 * ptr)
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	347 {
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	348 #ifdef nativeTestThenSet64
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	349 #else
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	350 SDL_bool result = SDL_FALSE;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	351
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	352 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	353 result = (*ptr == 0);
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	354 if (result)
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	355 {
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	356 *ptr = 1;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	357 }
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	358 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	359
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	360 return result;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	361 #endif /* nativeTestThenSet64 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	362 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	363
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	364 void
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	365 SDL_AtomicClear64(volatile Uint64 * ptr)
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	366 {
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	367 #ifdef nativeClear64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	368 #else
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	369 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	370 *ptr = 0;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	371 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	372
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	373 return;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	374 #endif /* nativeClear64 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	375 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	376
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	377 Uint64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	378 SDL_AtomicFetchThenIncrement64(volatile Uint64 * ptr)
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	379 {
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	380 #ifdef nativeFetchThenIncrement64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	381 #else
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	382 Uint64 tmp = 0;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	383
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	384 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	385 tmp = *ptr;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	386 (*ptr)+= 1;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	387 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	388
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	389 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	390 #endif /* nativeFetchThenIncrement64 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	391 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	392
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	393 Uint64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	394 SDL_AtomicFetchThenDecrement64(volatile Uint64 * ptr)
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	395 {
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	396 #ifdef nativeFetchThenDecrement64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	397 #else
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	398 Uint64 tmp = 0;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	399
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	400 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	401 tmp = *ptr;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	402 (*ptr) -= 1;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	403 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	404
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	405 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	406 #endif /* nativeFetchThenDecrement64 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	407 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	408
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	409 Uint64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	410 SDL_AtomicFetchThenAdd64(volatile Uint64 * ptr, Uint64 value)
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	411 {
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	412 #ifdef nativeFetchThenAdd64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	413 #else
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	414 Uint64 tmp = 0;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	415
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	416 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	417 tmp = *ptr;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	418 (*ptr)+= value;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	419 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	420
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	421 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	422 #endif /* nativeFetchThenAdd64 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	423 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	424
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	425 Uint64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	426 SDL_AtomicFetchThenSubtract64(volatile Uint64 * ptr, Uint64 value)
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	427 {
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	428 #ifdef nativeFetchThenSubtract64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	429 #else
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	430 Uint64 tmp = 0;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	431
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	432 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	433 tmp = *ptr;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	434 (*ptr)-= value;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	435 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	436
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	437 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	438 #endif /* nativeFetchThenSubtract64 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	439 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	440
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	441 Uint64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	442 SDL_AtomicIncrementThenFetch64(volatile Uint64 * ptr)
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	443 {
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	444 #ifdef nativeIncrementThenFetch64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	445 #else
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	446 Uint64 tmp = 0;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	447
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	448 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	449 (*ptr)+= 1;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	450 tmp = *ptr;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	451 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	452
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	453 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	454 #endif /* nativeIncrementThenFetch64 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	455 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	456
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	457 Uint64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	458 SDL_AtomicDecrementThenFetch64(volatile Uint64 * ptr)
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	459 {
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	460 #ifdef nativeDecrementThenFetch64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	461 #else
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	462 Uint64 tmp = 0;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	463
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	464 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	465 (*ptr)-= 1;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	466 tmp = *ptr;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	467 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	468
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	469 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	470 #endif /* nativeDecrementThenFetch64 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	471 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	472
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	473 Uint64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	474 SDL_AtomicAddThenFetch64(volatile Uint64 * ptr, Uint64 value)
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	475 {
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	476 #ifdef nativeAddThenFetch64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	477 #else
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	478 Uint64 tmp = 0;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	479
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	480 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	481 (*ptr)+= value;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	482 tmp = *ptr;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	483 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	484
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	485 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	486 #endif /* nativeAddThenFetch64 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	487 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	488
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	489 Uint64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	490 SDL_AtomicSubtractThenFetch64(volatile Uint64 * ptr, Uint64 value)
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	491 {
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	492 #ifdef nativeSubtractThenFetch64
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	493 #else
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	494 Uint64 tmp = 0;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	495
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	496 privateWaitLock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	497 (*ptr)-= value;
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	498 tmp = *ptr;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	499 privateUnlock(ptr);
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	500
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	501 return tmp;
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	502 #endif /* nativeSubtractThenFetch64 */
3217 26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	503 }
26ce0b98f2fb Support for native and emulated atomic operations has been added. Mike Gorchak <lestat@i.com.ua> parents: diff changeset	504
3364 70bfe3337f8a Support for the atomic operations for ARM, PPC, MIPS, SH, X86 platforms has been added. Mike Gorchak <lestat@i.com.ua> parents: 3217 diff changeset	505 #endif /* SDL_HAS_64BIT_TYPE */

Mercurial > sdl-ios-xcode

annotate src/atomic/qnx/SDL_atomic.c @ 4881:0972c2893e68