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Diffstat (limited to '3rdparty/SDL2/src/thread/pthread/SDL_syscond.c')
-rw-r--r--3rdparty/SDL2/src/thread/pthread/SDL_syscond.c158
1 files changed, 0 insertions, 158 deletions
diff --git a/3rdparty/SDL2/src/thread/pthread/SDL_syscond.c b/3rdparty/SDL2/src/thread/pthread/SDL_syscond.c
deleted file mode 100644
index 998ac55b3fa..00000000000
--- a/3rdparty/SDL2/src/thread/pthread/SDL_syscond.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#include <sys/time.h>
-#include <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) {
- return SDL_SetError("Passed a NULL condition variable");
- }
-
- retval = 0;
- if (pthread_cond_signal(&cond->cond) != 0) {
- return SDL_SetError("pthread_cond_signal() failed");
- }
- return retval;
-}
-
-/* Restart all threads that are waiting on the condition variable */
-int
-SDL_CondBroadcast(SDL_cond * cond)
-{
- int retval;
-
- if (!cond) {
- return SDL_SetError("Passed a NULL condition variable");
- }
-
- retval = 0;
- if (pthread_cond_broadcast(&cond->cond) != 0) {
- return SDL_SetError("pthread_cond_broadcast() failed");
- }
- return retval;
-}
-
-int
-SDL_CondWaitTimeout(SDL_cond * cond, SDL_mutex * mutex, Uint32 ms)
-{
- int retval;
-#ifndef HAVE_CLOCK_GETTIME
- struct timeval delta;
-#endif
- struct timespec abstime;
-
- if (!cond) {
- return SDL_SetError("Passed a NULL condition variable");
- }
-
-#ifdef HAVE_CLOCK_GETTIME
- clock_gettime(CLOCK_REALTIME, &abstime);
-
- abstime.tv_nsec += (ms % 1000) * 1000000;
- abstime.tv_sec += ms / 1000;
-#else
- gettimeofday(&delta, NULL);
-
- abstime.tv_sec = delta.tv_sec + (ms / 1000);
- abstime.tv_nsec = (delta.tv_usec + (ms % 1000) * 1000) * 1000;
-#endif
- 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:
- retval = SDL_SetError("pthread_cond_timedwait() failed");
- }
- 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)
-{
- if (!cond) {
- return SDL_SetError("Passed a NULL condition variable");
- } else if (pthread_cond_wait(&cond->cond, &mutex->id) != 0) {
- return SDL_SetError("pthread_cond_wait() failed");
- }
- return 0;
-}
-
-/* vi: set ts=4 sw=4 expandtab: */