#include "HGLock.h"
#include "HGInc.h"

HGResult HGAPI HGBase_CreateLock(HGLock* lock)
{
	if (NULL == lock)
	{
		return HGBASE_ERR_INVALIDARG;
	}

#if !defined(HG_CMP_MSC)
	pthread_mutex_t* hLock = new pthread_mutex_t;
	if (0 != pthread_mutex_init(hLock, NULL))
	{
		delete hLock;
		return HGBASE_ERR_FAIL;
	}
	*lock = (HGLock)hLock;
#else
	CRITICAL_SECTION* hLock = new CRITICAL_SECTION;
	InitializeCriticalSection(hLock);
	*lock = (HGLock)hLock;
#endif
	return HGBASE_ERR_OK;
}

HGResult HGAPI HGBase_DestroyLock(HGLock lock)
{
	if (NULL == lock)
	{
		return HGBASE_ERR_INVALIDARG;
	}

#if !defined(HG_CMP_MSC)
	pthread_mutex_t* hLock = (pthread_mutex_t*)lock;
	pthread_mutex_destroy(hLock);
	delete hLock;
#else
	CRITICAL_SECTION* hLock = (CRITICAL_SECTION*)lock;
	DeleteCriticalSection(hLock);
	delete hLock;
#endif
	return HGBASE_ERR_OK;
}

HGResult HGAPI HGBase_EnterLock(HGLock lock)
{
	if (NULL == lock)
	{
		return HGBASE_ERR_INVALIDARG;
	}

#if !defined(HG_CMP_MSC)
	pthread_mutex_t* hLock = (pthread_mutex_t*)lock;
	pthread_mutex_lock(hLock);
#else
	CRITICAL_SECTION* hLock = (CRITICAL_SECTION*)lock;
	EnterCriticalSection(hLock);
#endif
	return HGBASE_ERR_OK;
}

HGResult HGAPI HGBase_LeaveLock(HGLock lock)
{
	if (NULL == lock)
	{
		return HGBASE_ERR_INVALIDARG;
	}

#if !defined(HG_CMP_MSC)
	pthread_mutex_t* hLock = (pthread_mutex_t*)lock;
	pthread_mutex_unlock(hLock);
#else
	CRITICAL_SECTION* hLock = (CRITICAL_SECTION*)lock;
	LeaveCriticalSection(hLock);
#endif
	return HGBASE_ERR_OK;
}