1/*
2    SDL - Simple DirectMedia Layer
3    Copyright (C) 1997-2006 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/* BeOS thread management routines for SDL */
25
26#include <stdio.h>
27#include <signal.h>
28#include <be/kernel/OS.h>
29
30#include "SDL_mutex.h"
31#include "SDL_thread.h"
32#include "../SDL_thread_c.h"
33#include "../SDL_systhread.h"
34
35
36static int sig_list[] = {
37	SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0
38};
39
40void SDL_MaskSignals(sigset_t *omask)
41{
42	sigset_t mask;
43	int i;
44
45	sigemptyset(&mask);
46	for ( i=0; sig_list[i]; ++i ) {
47		sigaddset(&mask, sig_list[i]);
48	}
49	sigprocmask(SIG_BLOCK, &mask, omask);
50}
51void SDL_UnmaskSignals(sigset_t *omask)
52{
53	sigprocmask(SIG_SETMASK, omask, NULL);
54}
55
56static int32 RunThread(void *data)
57{
58	SDL_RunThread(data);
59	return(0);
60}
61
62int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
63{
64	/* Create the thread and go! */
65	thread->handle=spawn_thread(RunThread, "SDL", B_NORMAL_PRIORITY, args);
66	if ( (thread->handle == B_NO_MORE_THREADS) ||
67	     (thread->handle == B_NO_MEMORY) ) {
68		SDL_SetError("Not enough resources to create thread");
69		return(-1);
70	}
71	resume_thread(thread->handle);
72	return(0);
73}
74
75void SDL_SYS_SetupThread(void)
76{
77	/* Mask asynchronous signals for this thread */
78	SDL_MaskSignals(NULL);
79}
80
81Uint32 SDL_ThreadID(void)
82{
83	return((Uint32)find_thread(NULL));
84}
85
86void SDL_SYS_WaitThread(SDL_Thread *thread)
87{
88	status_t the_status;
89
90	wait_for_thread(thread->handle, &the_status);
91}
92
93void SDL_SYS_KillThread(SDL_Thread *thread)
94{
95	kill_thread(thread->handle);
96}
97