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comparison src/thread/irix/SDL_systhread.c @ 0:74212992fb08

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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children e8157fcb3114
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-1:000000000000 0:74212992fb08
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 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 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@devolution.com
21 */
22
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id$";
26 #endif
27
28 /* IRIX thread management routines for SDL */
29
30 #include <stdlib.h>
31 #include <errno.h>
32 #include <signal.h>
33 #include <sys/types.h>
34 #include <sys/wait.h>
35 #include <sys/prctl.h>
36
37 #include "SDL_error.h"
38 #include "SDL_thread.h"
39 #include "SDL_systhread.h"
40
41
42 static int sig_list[] = {
43 SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCLD, SIGWINCH,
44 SIGVTALRM, SIGPROF, 0
45 };
46
47
48 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
49 {
50 /* Create the thread and go! */
51 if ( sproc(SDL_RunThread, PR_SALL, args) < 0 ) {
52 SDL_SetError("Not enough resources to create thread");
53 return(-1);
54 }
55 return(0);
56 }
57
58 void SDL_SYS_SetupThread(void)
59 {
60 int i;
61 sigset_t mask;
62
63 /* Mask asynchronous signals for this thread */
64 sigemptyset(&mask);
65 for ( i=0; sig_list[i]; ++i ) {
66 sigaddset(&mask, sig_list[i]);
67 }
68 sigprocmask(SIG_BLOCK, &mask, NULL);
69 }
70
71 /* WARNING: This may not work for systems with 64-bit pid_t */
72 Uint32 SDL_ThreadID(void)
73 {
74 return((Uint32)getpid());
75 }
76
77 /* WARNING: This may not work for systems with 64-bit pid_t */
78 void SDL_WaitThread(SDL_Thread *thread, int *status)
79 {
80 errno = 0;
81 while ( errno != ECHILD ) {
82 waitpid(thread->handle, NULL, 0);
83 }
84 }
85
86 /* WARNING: This may not work for systems with 64-bit pid_t */
87 void SDL_KillThread(SDL_Thread *thread)
88 {
89 kill(thread->handle, SIGKILL);
90 }
91