Method Close

Source/URLab/Private/Transport/ShmRegion.cpp:173–205

}

void FMjShmRegion::Close(bool bDeleteFile)
{
	if (MappedAddr == nullptr)
		return;

#if PLATFORM_WINDOWS
	::UnmapViewOfFile(MappedAddr);
	if (PlatformMappingHandle)
		::CloseHandle(static_cast<HANDLE>(PlatformMappingHandle));
	if (PlatformFileHandle)
		::CloseHandle(static_cast<HANDLE>(PlatformFileHandle));
#else
	::munmap(MappedAddr, static_cast<size_t>(MappedSize));
	if (PlatformFileHandle)
	{
		const int fd = static_cast<int>(reinterpret_cast<intptr_t>(PlatformFileHandle));
		::close(fd);
	}
#endif

	if (bDeleteFile && !FilePath.IsEmpty())
	{
		IFileManager::Get().Delete(*FilePath, /*RequireExists=*/false, /*EvenReadOnly=*/false, /*Quiet=*/true);
	}

	MappedAddr = nullptr;
	PlatformFileHandle = nullptr;
	PlatformMappingHandle = nullptr;
	MappedSize = 0;
	BufferStride = 0;
	NumBuffers = 0;
	FilePath.Reset();
}