src/thread/beos/SDL_systhread.c
author Sam Lantinga <slouken@libsdl.org>
Mon, 08 Dec 2008 00:27:32 +0000
changeset 2859 99210400e8b9
parent 2779 4436464c4f51
child 3578 0d1b16ee0bca
permissions -rw-r--r--
Updated copyright date
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2009 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* BeOS thread management routines for SDL */
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#include <stdio.h>
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#include <signal.h>
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#include <be/kernel/OS.h>
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#include "SDL_mutex.h"
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#include "SDL_thread.h"
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#include "../SDL_thread_c.h"
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#include "../SDL_systhread.h"
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static int sig_list[] = {
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    SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0
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};
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void
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SDL_MaskSignals(sigset_t * omask)
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{
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    sigset_t mask;
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    int i;
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    sigemptyset(&mask);
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    for (i = 0; sig_list[i]; ++i) {
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        sigaddset(&mask, sig_list[i]);
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    }
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    sigprocmask(SIG_BLOCK, &mask, omask);
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}
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void
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SDL_UnmaskSignals(sigset_t * omask)
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{
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    sigprocmask(SIG_SETMASK, omask, NULL);
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}
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static int32
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RunThread(void *data)
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{
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    SDL_RunThread(data);
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    return (0);
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}
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int
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SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
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{
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    /* Create the thread and go! */
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    thread->handle = spawn_thread(RunThread, "SDL", B_NORMAL_PRIORITY, args);
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    if ((thread->handle == B_NO_MORE_THREADS) ||
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        (thread->handle == B_NO_MEMORY)) {
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        SDL_SetError("Not enough resources to create thread");
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        return (-1);
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    }
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    resume_thread(thread->handle);
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    return (0);
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}
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void
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SDL_SYS_SetupThread(void)
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{
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    /* Mask asynchronous signals for this thread */
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    SDL_MaskSignals(NULL);
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}
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Uint32
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SDL_ThreadID(void)
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{
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    return ((Uint32) find_thread(NULL));
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}
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void
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SDL_SYS_WaitThread(SDL_Thread * thread)
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{
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    status_t the_status;
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    wait_for_thread(thread->handle, &the_status);
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}
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