godot/drivers/unix/mutex_posix.cpp

/*************************************************************************/
/*  mutex_posix.cpp                                                      */
/*************************************************************************/
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/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
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#include "mutex_posix.h"
#include "os/memory.h"

#if defined(UNIX_ENABLED) || defined(PTHREAD_ENABLED)

void MutexPosix::lock() {

	pthread_mutex_lock(&mutex);
}
void MutexPosix::unlock() {

	pthread_mutex_unlock(&mutex);
}
Error MutexPosix::try_lock() {

	return (pthread_mutex_trylock(&mutex) == 0) ? OK : ERR_BUSY;
}

Mutex *MutexPosix::create_func_posix(bool p_recursive) {

	return memnew(MutexPosix(p_recursive));
}

void MutexPosix::make_default() {

	create_func = create_func_posix;
}

MutexPosix::MutexPosix(bool p_recursive) {

	pthread_mutexattr_init(&attr);
	if (p_recursive)
		pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
	pthread_mutex_init(&mutex, &attr);
}

MutexPosix::~MutexPosix() {

	pthread_mutex_destroy(&mutex);
}

#endif