#include "piconditionlock.h"
#ifdef WINDOWS
#include "synchapi.h"
#else
#include "pthread.h"
#endif


PRIVATE_DEFINITION_START(PIConditionLock)
#ifdef WINDOWS
CRITICAL_SECTION
#else
pthread_mutex_t
#endif
nativeHandle;
PRIVATE_DEFINITION_END(PIConditionLock)


#ifdef WINDOWS
PIConditionLock::PIConditionLock() {
	InitializeCriticalSection(&PRIVATE->nativeHandle);
}


PIConditionLock::~PIConditionLock() {
	DeleteCriticalSection(&PRIVATE->nativeHandle);
}


void PIConditionLock::lock() {
	EnterCriticalSection(&PRIVATE->nativeHandle);
}


void PIConditionLock::unlock() {
	LeaveCriticalSection(&PRIVATE->nativeHandle);
}


void *PIConditionLock::handle() {
	return &PRIVATE->nativeHandle;
}


bool PIConditionLock::tryLock() {
	return TryEnterCriticalSection(&PRIVATE->nativeHandle) != 0;
}
#else


PIConditionLock::PIConditionLock() {
	pthread_mutexattr_t attr;
	memset(&attr, 0, sizeof(attr));
	pthread_mutexattr_init(&attr);
	pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
	memset(&(PRIVATE->nativeHandle), 0, sizeof(PRIVATE->nativeHandle));
	pthread_mutex_init(&(PRIVATE->nativeHandle), &attr);
	pthread_mutexattr_destroy(&attr);
}


PIConditionLock::~PIConditionLock() {
	pthread_mutex_destroy(&(PRIVATE->nativeHandle));
}


void PIConditionLock::lock() {
	pthread_mutex_lock(&(PRIVATE->nativeHandle));
}


void PIConditionLock::unlock() {
	pthread_mutex_unlock(&(PRIVATE->nativeHandle));
}


void *PIConditionLock::handle() {
	return &PRIVATE->nativeHandle;
}


bool PIConditionLock::tryLock() {
	return (pthread_mutex_trylock(&(PRIVATE->nativeHandle)) == 0);
}
#endif