Mercurial > sdl-ios-xcode
annotate src/thread/pth/SDL_systhread.c @ 3495:1b22878e04d0
Adam Strzelecki to SDL
D3D renderer shall try mapping YV12 and I420 (IYUV) to D3D texture formats via FOURCC. This will enable HW acceleration for those formats when driver is capable (most of them are). Note that SDL's IYUV maps I420 FOURCC on Woe.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Fri, 27 Nov 2009 03:11:26 +0000 |
parents | 99210400e8b9 |
children | 0d1b16ee0bca |
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 |
2859 | 3 Copyright (C) 1997-2009 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 |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
30 #include <pth.h> |
185
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
31 #include <signal.h> |
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
32 |
1826
cf7528eded83
Add missing include file
Patrice Mandin <patmandin@gmail.com>
parents:
1402
diff
changeset
|
33 #include "SDL_thread.h" |
cf7528eded83
Add missing include file
Patrice Mandin <patmandin@gmail.com>
parents:
1402
diff
changeset
|
34 #include "../SDL_thread_c.h" |
cf7528eded83
Add missing include file
Patrice Mandin <patmandin@gmail.com>
parents:
1402
diff
changeset
|
35 #include "../SDL_systhread.h" |
cf7528eded83
Add missing include file
Patrice Mandin <patmandin@gmail.com>
parents:
1402
diff
changeset
|
36 |
185
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
37 /* 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
|
38 static int sig_list[] = { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
39 SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGWINCH, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
40 SIGVTALRM, SIGPROF, 0 |
185
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 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
43 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:
1826
diff
changeset
|
44 RunThread(void *data) |
185
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
45 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
46 SDL_RunThread(data); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
47 pth_exit((void *) 0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
48 return ((void *) 0); /* Prevent compiler warning */ |
185
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
49 } |
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
50 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
51 int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
52 SDL_SYS_CreateThread(SDL_Thread * thread, void *args) |
185
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
53 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
54 pth_attr_t type; |
185
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
55 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
56 /* Create a new attribute */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
57 type = pth_attr_new(); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
58 if (type == NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
59 SDL_SetError("Couldn't initialize pth attributes"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
60 return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
61 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
62 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
|
63 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
64 /* Create the thread and go! */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
65 thread->handle = pth_spawn(type, RunThread, args); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
66 if (thread->handle == NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
67 SDL_SetError("Not enough resources to create thread"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
68 return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
69 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
70 return (0); |
185
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 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
73 void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
74 SDL_SYS_SetupThread(void) |
185
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
75 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
76 int i; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
77 sigset_t mask; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
78 int oldstate; |
185
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
79 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
80 /* Mask asynchronous signals for this thread */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
81 sigemptyset(&mask); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
82 for (i = 0; sig_list[i]; ++i) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
83 sigaddset(&mask, sig_list[i]); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
84 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
85 pth_sigmask(SIG_BLOCK, &mask, 0); |
185
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
86 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
87 /* Allow ourselves to be asynchronously cancelled */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
88 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
|
89 } |
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
90 |
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
91 /* WARNING: This may not work for systems with 64-bit pid_t */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
92 Uint32 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
93 SDL_ThreadID(void) |
185
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
94 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
95 return ((Uint32) pth_self()); |
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 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
98 void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
99 SDL_SYS_WaitThread(SDL_Thread * thread) |
185
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
100 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
101 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
|
102 } |
34d316d5e744
Added support for the GNU Pth thread lib (thanks Mandin!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
103 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1826
diff
changeset
|
104 /* vi: set ts=4 sw=4 expandtab: */ |