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/*
* Copyright © 2018, VideoLAN and dav1d authors
* Copyright © 2018, Two Orioles, LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __DAV1D_THREAD_H__
#define __DAV1D_THREAD_H__
#if defined(_WIN32)
#include <windows.h>
#define PTHREAD_ONCE_INIT INIT_ONCE_STATIC_INIT
typedef struct {
HANDLE h;
void *(*func)(void*);
void *arg;
} pthread_t;
typedef SRWLOCK pthread_mutex_t;
typedef CONDITION_VARIABLE pthread_cond_t;
typedef INIT_ONCE pthread_once_t;
int dav1d_pthread_create(pthread_t *thread, const void *attr,
void *(*func)(void*), void *arg);
int dav1d_pthread_join(pthread_t *thread, void **res);
int dav1d_pthread_once(pthread_once_t *once_control,
void (*init_routine)(void));
#define pthread_create dav1d_pthread_create
#define pthread_join(thread, res) dav1d_pthread_join(&(thread), res)
#define pthread_once dav1d_pthread_once
static inline int pthread_mutex_init(pthread_mutex_t *const mutex,
const void *const attr)
{
InitializeSRWLock(mutex);
return 0;
}
static inline int pthread_mutex_destroy(pthread_mutex_t *const mutex) {
return 0;
}
static inline int pthread_mutex_lock(pthread_mutex_t *const mutex) {
AcquireSRWLockExclusive(mutex);
return 0;
}
static inline int pthread_mutex_unlock(pthread_mutex_t *const mutex) {
ReleaseSRWLockExclusive(mutex);
return 0;
}
static inline int pthread_cond_init(pthread_cond_t *const cond,
const void *const attr)
{
InitializeConditionVariable(cond);
return 0;
}
static inline int pthread_cond_destroy(pthread_cond_t *const cond) {
return 0;
}
static inline int pthread_cond_wait(pthread_cond_t *const cond,
pthread_mutex_t *const mutex)
{
return !SleepConditionVariableSRW(cond, mutex, INFINITE, 0);
}
static inline int pthread_cond_signal(pthread_cond_t *const cond) {
WakeConditionVariable(cond);
return 0;
}
static inline int pthread_cond_broadcast(pthread_cond_t *const cond) {
WakeAllConditionVariable(cond);
return 0;
}
#else
#include <pthread.h>
#endif
#endif /* __DAV1D_THREAD_H__ */
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