view src/thread/beos/SDL_systhread.c @ 571:8e3ce997621c

Date: Thu, 16 Jan 2003 13:48:31 +0200 From: "Mike Gorchak" Subject: All QNX patches whole patches concerning QNX. Almost all code has been rewritten by Julian and me. Added initial support for hw overlays in QNX and many many others fixes. P.S. This patches has been reviewed by Dave Rempel from QSSL and included in SDL 1.2.5 distribution, which coming on 3rd party CD for newest 6.2.1 version of QNX, which will be available soon.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 20 Jan 2003 01:38:37 +0000
parents f6ffac90895c
children b8d311d90021
line wrap: on
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Sam Lantinga
    slouken@libsdl.org
*/

#ifdef SAVE_RCSID
static char rcsid =
 "@(#) $Id$";
#endif

/* BeOS thread management routines for SDL */

#include <stdio.h>
#include <signal.h>
#include <be/kernel/OS.h>

#include "SDL_error.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);
}