Mercurial > sdl-ios-xcode

annotate src/thread/pth/SDL_systhread.c @ 1541:157001382dfd

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Quartz implementation for SDL_DisplayYUVOverlay() was returning non-zero on error, instead of zero, contrary to documentation. Fixes Bugzilla #165.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 15 Mar 2006 05:52:31 +0000
parents d910939febfa
children 14717b52abc0
rev   line source
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 /*
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
3 Copyright (C) 1997-2006 Sam Lantinga
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
6 modify it under the terms of the GNU Lesser General Public
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
9
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
13 Lesser General Public License for more details.
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
18
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
19 Sam Lantinga
252
e8157fcb3114 Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents: 185
diff changeset
20 slouken@libsdl.org
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
21 */
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
22 #include "SDL_config.h"
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
23
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents: 321
diff changeset
24 /*
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents: 321
diff changeset
25 * GNU pth threads
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents: 321
diff changeset
26 *
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents: 321
diff changeset
27 * Patrice Mandin
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents: 321
diff changeset
28 */
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
29
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
30 #include "SDL_thread.h"
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
31 #include "../SDL_systhread.h"
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
32
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
33 #include <pth.h>
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
34 #include <signal.h>
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
35
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
36 /* List of signals to mask in the subthreads */
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
37 static int sig_list[] = {
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
38 SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGWINCH,
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
39 SIGVTALRM, SIGPROF, 0
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
40 };
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
41
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
42 static void *RunThread(void *data)
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
43 {
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
44 SDL_RunThread(data);
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
45 pth_exit((void*)0);
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
46 return((void *)0); /* Prevent compiler warning */
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
47 }
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
48
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
49 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
50 {
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
51 pth_attr_t type;
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
52
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents: 321
diff changeset
53 /* Create a new attribute */
321
af42e7c4c860 Fixes for GNU pthreads from Patrice
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
54 type = pth_attr_new();
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents: 321
diff changeset
55 if ( type == NULL ) {
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
56 SDL_SetError("Couldn't initialize pth attributes");
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
57 return(-1);
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
58 }
321
af42e7c4c860 Fixes for GNU pthreads from Patrice
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
59 pth_attr_set(type, PTH_ATTR_JOINABLE, TRUE);
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
60
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
61 /* Create the thread and go! */
397
283d348cb624 Pth threading bug fix
Sam Lantinga <slouken@libsdl.org>
parents: 329
diff changeset
62 thread->handle = pth_spawn(type, RunThread, args);
283d348cb624 Pth threading bug fix
Sam Lantinga <slouken@libsdl.org>
parents: 329
diff changeset
63 if ( thread->handle == NULL ) {
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
64 SDL_SetError("Not enough resources to create thread");
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
65 return(-1);
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
66 }
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
67 return(0);
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
68 }
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
69
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
70 void SDL_SYS_SetupThread(void)
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
71 {
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
72 int i;
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
73 sigset_t mask;
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents: 321
diff changeset
74 int oldstate;
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
75
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
76 /* Mask asynchronous signals for this thread */
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
77 sigemptyset(&mask);
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
78 for ( i=0; sig_list[i]; ++i ) {
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
79 sigaddset(&mask, sig_list[i]);
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
80 }
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
81 pth_sigmask(SIG_BLOCK, &mask, 0);
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
82
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
83 /* Allow ourselves to be asynchronously cancelled */
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents: 321
diff changeset
84 pth_cancel_state(PTH_CANCEL_ASYNCHRONOUS, &oldstate);
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
85 }
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
86
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
87 /* WARNING: This may not work for systems with 64-bit pid_t */
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
88 Uint32 SDL_ThreadID(void)
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
89 {
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
90 return((Uint32)pth_self());
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
91 }
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
92
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
93 void SDL_SYS_WaitThread(SDL_Thread *thread)
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
94 {
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
95 pth_join(thread->handle, NULL);
185
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
96 }
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
97
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
98 void SDL_SYS_KillThread(SDL_Thread *thread)
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
99 {
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
100 pth_cancel(thread->handle);
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
101 pth_join(thread->handle, NULL);
34d316d5e744 Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
102 }