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comparison src/thread/beos/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 /* BeOS thread management routines for SDL */
29
30 #include <stdio.h>
31 #include <signal.h>
32 #include <be/kernel/OS.h>
33
34 #include "SDL_error.h"
35 #include "SDL_mutex.h"
36 #include "SDL_thread.h"
37 #include "SDL_thread_c.h"
38 #include "SDL_systhread.h"
39
40
41 static int sig_list[] = {
42 SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0
43 };
44
45 void SDL_MaskSignals(sigset_t *omask)
46 {
47 sigset_t mask;
48 int i;
49
50 sigemptyset(&mask);
51 for ( i=0; sig_list[i]; ++i ) {
52 sigaddset(&mask, sig_list[i]);
53 }
54 sigprocmask(SIG_BLOCK, &mask, omask);
55 }
56 void SDL_UnmaskSignals(sigset_t *omask)
57 {
58 sigprocmask(SIG_SETMASK, omask, NULL);
59 }
60
61 static int32 RunThread(void *data)
62 {
63 SDL_RunThread(data);
64 return(0);
65 }
66
67 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
68 {
69 /* Create the thread and go! */
70 thread->handle=spawn_thread(RunThread, "SDL", B_NORMAL_PRIORITY, args);
71 if ( (thread->handle == B_NO_MORE_THREADS) ||
72 (thread->handle == B_NO_MEMORY) ) {
73 SDL_SetError("Not enough resources to create thread");
74 return(-1);
75 }
76 resume_thread(thread->handle);
77 return(0);
78 }
79
80 void SDL_SYS_SetupThread(void)
81 {
82 /* Mask asynchronous signals for this thread */
83 SDL_MaskSignals(NULL);
84 }
85
86 Uint32 SDL_ThreadID(void)
87 {
88 return((Uint32)find_thread(NULL));
89 }
90
91 void SDL_SYS_WaitThread(SDL_Thread *thread)
92 {
93 status_t the_status;
94
95 wait_for_thread(thread->handle, &the_status);
96 }
97
98 void SDL_SYS_KillThread(SDL_Thread *thread)
99 {
100 kill_thread(thread->handle);
101 }