Mercurial > sdl-ios-xcode
annotate src/thread/dc/SDL_syssem.c @ 1133:609c060fd2a2
The MacOSX Carbon/Cocoa/X11 all in one library patch. Relevant emails:
To: SDL Developers <sdl@libsdl.org>
From: =?ISO-8859-1?Q?Anders_F_Bj=F6rklund?= <afb@algonet.se>
Date: Mon, 30 May 2005 23:29:04 +0200
Subject: [SDL] Mac OS X Video Drivers [patch]
I've updated/added the Carbon and X11 video drivers
to the Mac OS X port of SDL 1.2 (the CVS version),
and made the Cocoa driver and runtime *optional*.
The default is still Cocoa, and the "Quartz" driver.
But you can now also use "toolbox" for Carbon, and
"x11" for running with Apple's (or other) X11 server:
export SDL_VIDEODRIVER=x11
export SDL_VIDEO_GL_DRIVER=/usr/X11R6/lib/libGL.dylib
It also checks if the frameworks are available, by a:
#include <Carbon/Carbon.h> or #import <Cocoa/Cocoa.h>
(this should make it configure on plain Darwin as well?)
Here are the new configure targets:
--enable-video-cocoa use Cocoa/Quartz video driver default=yes
--enable-video-carbon use Carbon/QuickDraw video driver default=yes
--enable-video-x11 use X11 video driver default=no
./configure --enable-video-cocoa --enable-video-carbon
--enable-video-x11 \
--x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib
The Carbon version is just an updated version of the old
SDL driver for Mac OS 9, and could probably be improved...
(but it does work, including the Carbon version of SDLmain)
If you disable cocoa, you can run with -framework Carbon only,
and the C version of SDL_main.c. And if you disable carbon too,
you can still use the X11 version which doesn't require SDLmain.
I updated the DrawSprocket version, but did not include it.
(no blitters or VRAM GWorlds etc. available on OS X anyway)
Besides for Mac OS 9, I don't think there's any use for it ?
And note that any performance on Mac OS X equals OpenGL anyway...
You can get "fair" software SDL results on captured CG displays,
but for decent frame rates you need to be using GL for rendering.
Finally, here is the patch itself:
http://www.algonet.se/~afb/SDL-12CVS-macvideo.patch
--anders
PS. It says "video", but as usual it applies to mouse/keyboard too.
------
To: A list for developers using the SDL library <sdl@libsdl.org>
From: =?ISO-8859-1?Q?Anders_F_Bj=F6rklund?= <afb@algonet.se>
Date: Sun, 4 Sep 2005 10:02:15 +0200
Subject: [SDL] Updated Mac patch
Updated the previous Mac patch to disable Carbon by default.
Also "fixed" the SDL.spec again, so that it builds on Darwin.
http://www.algonet.se/~afb/SDL-1.2.9-mac.patch
Also applied fine to SDL12 CVS, when I tried it.
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Thu, 08 Sep 2005 06:16:14 +0000 |
parents | b8d311d90021 |
children | c9b51268668f |
rev | line source |
---|---|
509
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
1 /* |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
2 SDL - Simple DirectMedia Layer |
769
b8d311d90021
Updated copyright information for 2004 (Happy New Year!)
Sam Lantinga <slouken@libsdl.org>
parents:
509
diff
changeset
|
3 Copyright (C) 1997-2004 Sam Lantinga |
509
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
4 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
5 This library is free software; you can redistribute it and/or |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
6 modify it under the terms of the GNU Library General Public |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
7 License as published by the Free Software Foundation; either |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
8 version 2 of the License, or (at your option) any later version. |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
9 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
10 This library is distributed in the hope that it will be useful, |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
13 Library General Public License for more details. |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
14 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
15 You should have received a copy of the GNU Library General Public |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
16 License along with this library; if not, write to the Free |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
18 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
19 BERO |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
20 bero@geocities.co.jp |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
21 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
22 based on generic/SDL_syssem.c |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
23 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
24 Sam Lantinga |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
25 slouken@libsdl.org |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
26 */ |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
27 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
28 #ifdef SAVE_RCSID |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
29 static char rcsid = |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
30 "@(#) $Id$"; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
31 #endif |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
32 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
33 /* An implementation of semaphores using mutexes and condition variables */ |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
34 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
35 #include <stdlib.h> |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
36 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
37 #include "SDL_error.h" |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
38 #include "SDL_timer.h" |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
39 #include "SDL_thread.h" |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
40 #include "SDL_systhread_c.h" |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
41 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
42 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
43 #ifdef DISABLE_THREADS |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
44 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
45 SDL_sem *SDL_CreateSemaphore(Uint32 initial_value) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
46 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
47 SDL_SetError("SDL not configured with thread support"); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
48 return (SDL_sem *)0; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
49 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
50 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
51 void SDL_DestroySemaphore(SDL_sem *sem) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
52 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
53 return; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
54 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
55 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
56 int SDL_SemTryWait(SDL_sem *sem) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
57 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
58 SDL_SetError("SDL not configured with thread support"); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
59 return -1; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
60 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
61 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
62 int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
63 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
64 SDL_SetError("SDL not configured with thread support"); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
65 return -1; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
66 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
67 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
68 int SDL_SemWait(SDL_sem *sem) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
69 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
70 SDL_SetError("SDL not configured with thread support"); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
71 return -1; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
72 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
73 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
74 Uint32 SDL_SemValue(SDL_sem *sem) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
75 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
76 return 0; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
77 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
78 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
79 int SDL_SemPost(SDL_sem *sem) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
80 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
81 SDL_SetError("SDL not configured with thread support"); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
82 return -1; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
83 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
84 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
85 #else |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
86 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
87 #include <kos/sem.h> |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
88 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
89 struct SDL_semaphore |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
90 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
91 semaphore_t sem; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
92 }; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
93 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
94 SDL_sem *SDL_CreateSemaphore(Uint32 initial_value) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
95 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
96 return (SDL_sem *)sem_create(initial_value); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
97 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
98 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
99 /* WARNING: |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
100 You cannot call this function when another thread is using the semaphore. |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
101 */ |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
102 void SDL_DestroySemaphore(SDL_sem *sem) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
103 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
104 if ( ! sem ) { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
105 SDL_SetError("Passed a NULL semaphore"); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
106 return; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
107 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
108 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
109 sem_destroy(&sem->sem); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
110 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
111 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
112 int SDL_SemTryWait(SDL_sem *sem) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
113 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
114 int retval; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
115 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
116 if ( ! sem ) { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
117 SDL_SetError("Passed a NULL semaphore"); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
118 return -1; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
119 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
120 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
121 retval = sem_trywait(&sem->sem); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
122 if (retval==0) return 0; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
123 else return SDL_MUTEX_TIMEDOUT; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
124 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
125 return retval; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
126 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
127 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
128 int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
129 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
130 int retval; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
131 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
132 if ( ! sem ) { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
133 SDL_SetError("Passed a NULL semaphore"); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
134 return -1; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
135 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
136 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
137 /* A timeout of 0 is an easy case */ |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
138 if ( timeout == 0 ) { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
139 return SDL_SemTryWait(sem); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
140 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
141 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
142 retval = sem_wait_timed(&sem->sem,timeout); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
143 if (retval==-1) retval= SDL_MUTEX_TIMEDOUT; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
144 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
145 return retval; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
146 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
147 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
148 int SDL_SemWait(SDL_sem *sem) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
149 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
150 if ( ! sem ) { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
151 SDL_SetError("Passed a NULL semaphore"); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
152 return -1; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
153 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
154 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
155 sem_wait(&sem->sem); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
156 return 0; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
157 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
158 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
159 Uint32 SDL_SemValue(SDL_sem *sem) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
160 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
161 if ( ! sem ) { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
162 SDL_SetError("Passed a NULL semaphore"); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
163 return -1; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
164 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
165 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
166 return sem_count(&sem->sem); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
167 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
168 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
169 int SDL_SemPost(SDL_sem *sem) |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
170 { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
171 if ( ! sem ) { |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
172 SDL_SetError("Passed a NULL semaphore"); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
173 return -1; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
174 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
175 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
176 sem_signal(&sem->sem); |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
177 return 0; |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
178 } |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
179 |
dad72daf44b3
Added initial support for Dreamcast (thanks HERO!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
180 #endif /* DISABLE_THREADS */ |