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SDL_systhread.c
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SDL_systhread.c
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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
/* BeOS thread management routines for SDL */
#include <stdio.h>
#include <signal.h>
#include <be/kernel/OS.h>
#include "SDL_mutex.h"
#include "SDL_thread.h"
#include "../SDL_thread_c.h"
#include "../SDL_systhread.h"
static int sig_list[] = {
SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0
};
void
SDL_MaskSignals(sigset_t * omask)
{
sigset_t mask;
int i;
sigemptyset(&mask);
for (i = 0; sig_list[i]; ++i) {
sigaddset(&mask, sig_list[i]);
}
sigprocmask(SIG_BLOCK, &mask, omask);
}
void
SDL_UnmaskSignals(sigset_t * omask)
{
sigprocmask(SIG_SETMASK, omask, NULL);
}
static int32
RunThread(void *data)
{
SDL_RunThread(data);
return (0);
}
int
SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
{
/* Create the thread and go! */
thread->handle = spawn_thread(RunThread, "SDL", B_NORMAL_PRIORITY, args);
if ((thread->handle == B_NO_MORE_THREADS) ||
(thread->handle == B_NO_MEMORY)) {
SDL_SetError("Not enough resources to create thread");
return (-1);
}
resume_thread(thread->handle);
return (0);
}
void
SDL_SYS_SetupThread(void)
{
/* Mask asynchronous signals for this thread */
SDL_MaskSignals(NULL);
}
Uint32
SDL_ThreadID(void)
{
return ((Uint32) find_thread(NULL));
}
void
SDL_SYS_WaitThread(SDL_Thread * thread)
{
status_t the_status;
wait_for_thread(thread->handle, &the_status);
}
void
SDL_SYS_KillThread(SDL_Thread * thread)
{
kill_thread(thread->handle);
}
/* vi: set ts=4 sw=4 expandtab: */