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#include "UnityPrefix.h"
#if SUPPORT_THREADS
#ifndef MUTEX_API_WINAPI
#define MUTEX_API_WINAPI (UNITY_WIN || UNITY_XENON || UNITY_WINRT)
#endif
#endif // SUPPORT_THREADS
#if MUTEX_API_WINAPI
#include "PlatformMutex.h"
// -------------------------------------------------------------------------------------------------
// windows
// Note: TryEnterCriticalSection only exists on NT-derived systems.
// But we do not run on Win9x currently anyway, so just accept it.
#if !defined _WIN32_WINNT || _WIN32_WINNT < 0x0400
extern "C" WINBASEAPI BOOL WINAPI TryEnterCriticalSection( IN OUT LPCRITICAL_SECTION lpCriticalSection );
#endif
PlatformMutex::PlatformMutex()
{
#if UNITY_WINRT
BOOL const result = InitializeCriticalSectionEx(&crit_sec, 0, CRITICAL_SECTION_NO_DEBUG_INFO);
Assert(FALSE != result);
#else
InitializeCriticalSection( &crit_sec );
#endif
}
PlatformMutex::~PlatformMutex ()
{
DeleteCriticalSection( &crit_sec );
}
void PlatformMutex::Lock()
{
EnterCriticalSection( &crit_sec );
}
void PlatformMutex::Unlock()
{
LeaveCriticalSection( &crit_sec );
}
bool PlatformMutex::TryLock()
{
return TryEnterCriticalSection( &crit_sec ) ? true : false;
}
#endif // MUTEX_API_WINAPI
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