/*
* Copyright (c) 2016-2019, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef WAYLAND_THREAD_H
#define WAYLAND_THREAD_H
#include <wayland-client.h>
#include <pthread.h>
#include <stdbool.h>
/*
* wlExternalApiLock()
*
* Tries to acquire the external API lock. If the lock is already acquired by
* another thread, it will block until the lock is released.
*
* Calling this function twice without calling wlExternalApiUnlock() in between
* will fail.
*
* First call to wlExternalApiLock() will initialize the external API lock
* resources.
*
* Returns 0 upon success; otherwise returns -1.
*/
int wlExternalApiLock(void);
/*
* wlExternalApiUnlock()
*
* Releases the external API lock.
*
* Calling this function without a previous call to wlExternalApiLock() will
* fail.
*
* Returns 0 upon success; otherwise returns -1.
*/
int wlExternalApiUnlock(void);
/*
* wlExternalApiDestroyLock()
*
* Releases and frees the the external API lock resources. This call should only
* be called as part of the global teardown.
*/
void wlExternalApiDestroyLock(void);
/*
* wlEglInitializeMutex(pthread_mutex_t *mutex)
*
* Initialises the pthread mutex referenced by mutex.
*/
bool wlEglInitializeMutex(pthread_mutex_t *mutex);
/*
* wlEglMutexDestroy(pthread_mutex_t *mutex)
*
* Destroys the pthread mutex referenced by mutex.
*/
void wlEglMutexDestroy(pthread_mutex_t *mutex);
#endif