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Diffstat (limited to 'distrib/sdl-1.2.12/src/thread/pthread/SDL_syscond.c')
-rw-r--r--distrib/sdl-1.2.12/src/thread/pthread/SDL_syscond.c155
1 files changed, 0 insertions, 155 deletions
diff --git a/distrib/sdl-1.2.12/src/thread/pthread/SDL_syscond.c b/distrib/sdl-1.2.12/src/thread/pthread/SDL_syscond.c
deleted file mode 100644
index 333f83c..0000000
--- a/distrib/sdl-1.2.12/src/thread/pthread/SDL_syscond.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- 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"
-
-#include <sys/time.h>
-#include <unistd.h>
-#include <errno.h>
-#include <pthread.h>
-
-#include "SDL_thread.h"
-#include "SDL_sysmutex_c.h"
-
-struct SDL_cond
-{
- pthread_cond_t cond;
-};
-
-/* Create a condition variable */
-SDL_cond * SDL_CreateCond(void)
-{
- SDL_cond *cond;
-
- cond = (SDL_cond *) SDL_malloc(sizeof(SDL_cond));
- if ( cond ) {
- if ( pthread_cond_init(&cond->cond, NULL) < 0 ) {
- SDL_SetError("pthread_cond_init() failed");
- SDL_free(cond);
- cond = NULL;
- }
- }
- return(cond);
-}
-
-/* Destroy a condition variable */
-void SDL_DestroyCond(SDL_cond *cond)
-{
- if ( cond ) {
- pthread_cond_destroy(&cond->cond);
- SDL_free(cond);
- }
-}
-
-/* Restart one of the threads that are waiting on the condition variable */
-int SDL_CondSignal(SDL_cond *cond)
-{
- int retval;
-
- if ( ! cond ) {
- SDL_SetError("Passed a NULL condition variable");
- return -1;
- }
-
- retval = 0;
- if ( pthread_cond_signal(&cond->cond) != 0 ) {
- SDL_SetError("pthread_cond_signal() failed");
- retval = -1;
- }
- return retval;
-}
-
-/* Restart all threads that are waiting on the condition variable */
-int SDL_CondBroadcast(SDL_cond *cond)
-{
- int retval;
-
- if ( ! cond ) {
- SDL_SetError("Passed a NULL condition variable");
- return -1;
- }
-
- retval = 0;
- if ( pthread_cond_broadcast(&cond->cond) != 0 ) {
- SDL_SetError("pthread_cond_broadcast() failed");
- retval = -1;
- }
- return retval;
-}
-
-int SDL_CondWaitTimeout(SDL_cond *cond, SDL_mutex *mutex, Uint32 ms)
-{
- int retval;
- struct timeval delta;
- struct timespec abstime;
-
- if ( ! cond ) {
- SDL_SetError("Passed a NULL condition variable");
- return -1;
- }
-
- gettimeofday(&delta, NULL);
-
- abstime.tv_sec = delta.tv_sec + (ms/1000);
- abstime.tv_nsec = (delta.tv_usec + (ms%1000) * 1000) * 1000;
- if ( abstime.tv_nsec > 1000000000 ) {
- abstime.tv_sec += 1;
- abstime.tv_nsec -= 1000000000;
- }
-
- tryagain:
- retval = pthread_cond_timedwait(&cond->cond, &mutex->id, &abstime);
- switch (retval) {
- case EINTR:
- goto tryagain;
- break;
- case ETIMEDOUT:
- retval = SDL_MUTEX_TIMEDOUT;
- break;
- case 0:
- break;
- default:
- SDL_SetError("pthread_cond_timedwait() failed");
- retval = -1;
- break;
- }
- return retval;
-}
-
-/* Wait on the condition variable, unlocking the provided mutex.
- The mutex must be locked before entering this function!
- */
-int SDL_CondWait(SDL_cond *cond, SDL_mutex *mutex)
-{
- int retval;
-
- if ( ! cond ) {
- SDL_SetError("Passed a NULL condition variable");
- return -1;
- }
-
- retval = 0;
- if ( pthread_cond_wait(&cond->cond, &mutex->id) != 0 ) {
- SDL_SetError("pthread_cond_wait() failed");
- retval = -1;
- }
- return retval;
-}