diff options
Diffstat (limited to 'apps/plugins/sdl/src/thread/pth/SDL_systhread.c')
-rw-r--r-- | apps/plugins/sdl/src/thread/pth/SDL_systhread.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/thread/pth/SDL_systhread.c b/apps/plugins/sdl/src/thread/pth/SDL_systhread.c new file mode 100644 index 0000000000..bfccaf340f --- /dev/null +++ b/apps/plugins/sdl/src/thread/pth/SDL_systhread.c | |||
@@ -0,0 +1,103 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | /* | ||
25 | * GNU pth threads | ||
26 | * | ||
27 | * Patrice Mandin | ||
28 | */ | ||
29 | |||
30 | #include <pth.h> | ||
31 | #include <signal.h> | ||
32 | |||
33 | #include "SDL_thread.h" | ||
34 | #include "../SDL_thread_c.h" | ||
35 | #include "../SDL_systhread.h" | ||
36 | |||
37 | /* List of signals to mask in the subthreads */ | ||
38 | static int sig_list[] = { | ||
39 | SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGWINCH, | ||
40 | SIGVTALRM, SIGPROF, 0 | ||
41 | }; | ||
42 | |||
43 | static void *RunThread(void *data) | ||
44 | { | ||
45 | SDL_RunThread(data); | ||
46 | pth_exit((void*)0); | ||
47 | return((void *)0); /* Prevent compiler warning */ | ||
48 | } | ||
49 | |||
50 | int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) | ||
51 | { | ||
52 | pth_attr_t type; | ||
53 | |||
54 | /* Create a new attribute */ | ||
55 | type = pth_attr_new(); | ||
56 | if ( type == NULL ) { | ||
57 | SDL_SetError("Couldn't initialize pth attributes"); | ||
58 | return(-1); | ||
59 | } | ||
60 | pth_attr_set(type, PTH_ATTR_JOINABLE, TRUE); | ||
61 | |||
62 | /* Create the thread and go! */ | ||
63 | thread->handle = pth_spawn(type, RunThread, args); | ||
64 | if ( thread->handle == NULL ) { | ||
65 | SDL_SetError("Not enough resources to create thread"); | ||
66 | return(-1); | ||
67 | } | ||
68 | return(0); | ||
69 | } | ||
70 | |||
71 | void SDL_SYS_SetupThread(void) | ||
72 | { | ||
73 | int i; | ||
74 | sigset_t mask; | ||
75 | int oldstate; | ||
76 | |||
77 | /* Mask asynchronous signals for this thread */ | ||
78 | sigemptyset(&mask); | ||
79 | for ( i=0; sig_list[i]; ++i ) { | ||
80 | sigaddset(&mask, sig_list[i]); | ||
81 | } | ||
82 | pth_sigmask(SIG_BLOCK, &mask, 0); | ||
83 | |||
84 | /* Allow ourselves to be asynchronously cancelled */ | ||
85 | pth_cancel_state(PTH_CANCEL_ASYNCHRONOUS, &oldstate); | ||
86 | } | ||
87 | |||
88 | /* WARNING: This may not work for systems with 64-bit pid_t */ | ||
89 | Uint32 SDL_ThreadID(void) | ||
90 | { | ||
91 | return((Uint32)pth_self()); | ||
92 | } | ||
93 | |||
94 | void SDL_SYS_WaitThread(SDL_Thread *thread) | ||
95 | { | ||
96 | pth_join(thread->handle, NULL); | ||
97 | } | ||
98 | |||
99 | void SDL_SYS_KillThread(SDL_Thread *thread) | ||
100 | { | ||
101 | pth_cancel(thread->handle); | ||
102 | pth_join(thread->handle, NULL); | ||
103 | } | ||