sdl-ios-xcode: src/cdrom/macosx/SDLOSXCAGuard.c annotate

annotate src/cdrom/macosx/SDLOSXCAGuard.c @ 1898:f89e49e51e89

Playing around, trying to find a fast path with GDI

author	Sam Lantinga <slouken@libsdl.org>
date	Wed, 12 Jul 2006 07:01:35 +0000
parents	c121d94672cb
children	99210400e8b9

rev	line source
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	1 /*
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	4
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	6 modify it under the terms of the GNU Library General Public
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	8 version 2 of the License, or (at your option) any later version.
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	9
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	13 Library General Public License for more details.
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	14
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	15 You should have received a copy of the GNU Library General Public
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	16 License along with this library; if not, write to the Free
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	18
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	19 Sam Lantinga
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	20 slouken@libsdl.org
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	21 */
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	22 #include "SDL_config.h"
d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	23
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	24 /*
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	25 Note: This file hasn't been modified so technically we have to keep the disclaimer :-(
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	26
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	27 Copyright: � Copyright 2002 Apple Computer, Inc. All rights reserved.
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	28
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	29 Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	30 ("Apple") in consideration of your agreement to the following terms, and your
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	31 use, installation, modification or redistribution of this Apple software
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	32 constitutes acceptance of these terms. If you do not agree with these terms,
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	33 please do not use, install, modify or redistribute this Apple software.
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	34
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	35 In consideration of your agreement to abide by the following terms, and subject
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	36 to these terms, Apple grants you a personal, non-exclusive license, under Apple�s
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	37 copyrights in this original Apple software (the "Apple Software"), to use,
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	38 reproduce, modify and redistribute the Apple Software, with or without
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	39 modifications, in source and/or binary forms; provided that if you redistribute
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	40 the Apple Software in its entirety and without modifications, you must retain
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	41 this notice and the following text and disclaimers in all such redistributions of
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	42 the Apple Software. Neither the name, trademarks, service marks or logos of
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	43 Apple Computer, Inc. may be used to endorse or promote products derived from the
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	44 Apple Software without specific prior written permission from Apple. Except as
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	45 expressly stated in this notice, no other rights or licenses, express or implied,
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	46 are granted by Apple herein, including but not limited to any patent rights that
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	47 may be infringed by your derivative works or by other works in which the Apple
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	48 Software may be incorporated.
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	49
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	50 The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	51 WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	52 WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	53 PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	54 COMBINATION WITH YOUR PRODUCTS.
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	55
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	56 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	57 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	58 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	59 ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	60 OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	61 (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	62 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	63 */
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	64 /*=============================================================================
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	65 CAGuard.cp
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	66
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	67 =============================================================================*/
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	68
1487 dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	69 /*=============================================================================
dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	70 Includes
dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	71 =============================================================================*/
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	72
1338 604d73db6802 Removed uses of stdlib.h and string.h Sam Lantinga <slouken@libsdl.org> parents: 1336 diff changeset	73 /*
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	74 #include <stdio.h>
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	75 #include <stdlib.h>
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	76 #include <string.h>
1338 604d73db6802 Removed uses of stdlib.h and string.h Sam Lantinga <slouken@libsdl.org> parents: 1336 diff changeset	77 */
1358 c71e05b4dc2e More header massaging... works great on Windows. ;-) Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	78 #include "SDL_stdinc.h"
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	79
1487 dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	80 /#define NDEBUG 1/
1338 604d73db6802 Removed uses of stdlib.h and string.h Sam Lantinga <slouken@libsdl.org> parents: 1336 diff changeset	81 /*
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	82 #include <assert.h>
1338 604d73db6802 Removed uses of stdlib.h and string.h Sam Lantinga <slouken@libsdl.org> parents: 1336 diff changeset	83 */
604d73db6802 Removed uses of stdlib.h and string.h Sam Lantinga <slouken@libsdl.org> parents: 1336 diff changeset	84 #define assert(X)
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	85
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	86
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	87 #include "SDLOSXCAGuard.h"
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	88
1487 dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	89 /#warning Need a try-based Locker too/
dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	90 /*=============================================================================
dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	91 SDLOSXCAGuard
dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	92 =============================================================================*/
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	93
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	94 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	95 SDLOSXCAGuard_Lock(SDLOSXCAGuard * cag)
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	96 {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	97 int theAnswer = 0;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	98
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	99 if (pthread_self() != cag->mOwner) {
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	100 OSStatus theError = pthread_mutex_lock(&cag->mMutex);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	101 (void) theError;
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	102 assert(theError == 0);
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	103 cag->mOwner = pthread_self();
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	104 theAnswer = 1;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	105 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	106
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	107 return theAnswer;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	108 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	109
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	110 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	111 SDLOSXCAGuard_Unlock(SDLOSXCAGuard * cag)
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	112 {
1487 dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	113 OSStatus theError;
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	114 assert(pthread_self() == cag->mOwner);
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	115
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	116 cag->mOwner = 0;
1487 dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	117 theError = pthread_mutex_unlock(&cag->mMutex);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	118 (void) theError;
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	119 assert(theError == 0);
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	120 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	121
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	122 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	123 SDLOSXCAGuard_Try(SDLOSXCAGuard * cag, int *outWasLocked)
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	124 {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	125 int theAnswer = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	126 *outWasLocked = 0;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	127
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	128 if (pthread_self() == cag->mOwner) {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	129 theAnswer = 1;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	130 *outWasLocked = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	131 } else {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	132 OSStatus theError = pthread_mutex_trylock(&cag->mMutex);
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	133 if (theError == 0) {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	134 cag->mOwner = pthread_self();
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	135 theAnswer = 1;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	136 *outWasLocked = 1;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	137 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	138 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	139
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	140 return theAnswer;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	141 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	142
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	143 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	144 SDLOSXCAGuard_Wait(SDLOSXCAGuard * cag)
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	145 {
1487 dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	146 OSStatus theError;
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	147 assert(pthread_self() == cag->mOwner);
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	148
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	149 cag->mOwner = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	150
1487 dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	151 theError = pthread_cond_wait(&cag->mCondVar, &cag->mMutex);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	152 (void) theError;
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	153 assert(theError == 0);
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	154 cag->mOwner = pthread_self();
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	155 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	156
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	157 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	158 SDLOSXCAGuard_Notify(SDLOSXCAGuard * cag)
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	159 {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	160 OSStatus theError = pthread_cond_signal(&cag->mCondVar);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	161 (void) theError;
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	162 assert(theError == 0);
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	163 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	164
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	165
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	166 SDLOSXCAGuard *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	167 new_SDLOSXCAGuard(void)
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	168 {
1487 dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	169 OSStatus theError;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	170 SDLOSXCAGuard cag = (SDLOSXCAGuard ) SDL_malloc(sizeof(SDLOSXCAGuard));
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	171 if (cag == NULL)
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	172 return NULL;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	173 SDL_memset(cag, '\0', sizeof(*cag));
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	174
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	175 #define SET_SDLOSXCAGUARD_METHOD(m) cag->m = SDLOSXCAGuard_##m
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	176 SET_SDLOSXCAGUARD_METHOD(Lock);
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	177 SET_SDLOSXCAGUARD_METHOD(Unlock);
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	178 SET_SDLOSXCAGUARD_METHOD(Try);
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	179 SET_SDLOSXCAGUARD_METHOD(Wait);
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	180 SET_SDLOSXCAGUARD_METHOD(Notify);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	181 #undef SET_SDLOSXCAGUARD_METHOD
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	182
1487 dc6b59e925a2 Cleaning up warnings on MacOS X Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	183 theError = pthread_mutex_init(&cag->mMutex, NULL);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	184 (void) theError;
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	185 assert(theError == 0);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	186
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	187 theError = pthread_cond_init(&cag->mCondVar, NULL);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	188 (void) theError;
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	189 assert(theError == 0);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	190
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	191 cag->mOwner = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	192 return cag;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	193 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	194
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	195 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	196 delete_SDLOSXCAGuard(SDLOSXCAGuard * cag)
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	197 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	198 if (cag != NULL) {
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	199 pthread_mutex_destroy(&cag->mMutex);
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	200 pthread_cond_destroy(&cag->mCondVar);
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1143 diff changeset	201 SDL_free(cag);
1143 71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	202 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	203 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	204
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1487 diff changeset	205 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/cdrom/macosx/SDLOSXCAGuard.c @ 1898:f89e49e51e89