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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"
/* IRIX thread management routines for SDL */
#include <errno.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/prctl.h>
#include "SDL_thread.h"
#include "../SDL_systhread.h"
static int sig_list[] = {
SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCLD, SIGWINCH,
SIGVTALRM, SIGPROF, 0
};
int
SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
{
/* Create the thread and go! */
if (sproc(SDL_RunThread, PR_SALL, args) < 0) {
SDL_SetError("Not enough resources to create thread");
return (-1);
}
return (0);
}
void
SDL_SYS_SetupThread(void)
{
int i;
sigset_t mask;
/* Mask asynchronous signals for this thread */
sigemptyset(&mask);
for (i = 0; sig_list[i]; ++i) {
sigaddset(&mask, sig_list[i]);
}
sigprocmask(SIG_BLOCK, &mask, NULL);
}
/* WARNING: This may not work for systems with 64-bit pid_t */
Uint32
SDL_ThreadID(void)
{
return ((Uint32) getpid());
}
/* WARNING: This may not work for systems with 64-bit pid_t */
void
SDL_WaitThread(SDL_Thread * thread, int *status)
{
errno = 0;
while (errno != ECHILD) {
waitpid(thread->handle, NULL, 0);
}
}
/* WARNING: This may not work for systems with 64-bit pid_t */
void
SDL_KillThread(SDL_Thread * thread)
{
kill(thread->handle, SIGKILL);
}
/* vi: set ts=4 sw=4 expandtab: */