mirror of
https://github.com/celisej567/mcpe.git
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192 lines
2.4 KiB
C++
192 lines
2.4 KiB
C++
/*
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* Copyright (c) 2014, Oculus VR, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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/// \file
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///
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#include "SimpleMutex.h"
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#include "RakAssert.h"
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using namespace RakNet;
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SimpleMutex::SimpleMutex() //: isInitialized(false)
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{
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// Prior implementation of Initializing in Lock() was not threadsafe
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Init();
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}
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SimpleMutex::~SimpleMutex()
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{
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// if (isInitialized==false)
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// return;
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#ifdef _WIN32
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// CloseHandle(hMutex);
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DeleteCriticalSection(&criticalSection);
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#else
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pthread_mutex_destroy(&hMutex);
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#endif
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}
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#ifdef _WIN32
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#ifdef _DEBUG
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#include <stdio.h>
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#endif
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#endif
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void SimpleMutex::Lock(void)
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{
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// if (isInitialized==false)
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// Init();
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#ifdef _WIN32
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/*
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DWORD d = WaitForSingleObject(hMutex, INFINITE);
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#ifdef _DEBUG
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if (d==WAIT_FAILED)
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{
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LPVOID messageBuffer;
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FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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GetLastError(),
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
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(LPTSTR) &messageBuffer,
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0,
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NULL
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);
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// Process any inserts in messageBuffer.
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// ...
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// Display the string.
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//MessageBox( NULL, (LPCTSTR)messageBuffer, "Error", MB_OK | MB_ICONINFORMATION );
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RAKNET_DEBUG_PRINTF("SimpleMutex error: %s", messageBuffer);
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// Free the buffer.
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LocalFree( messageBuffer );
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}
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RakAssert(d==WAIT_OBJECT_0);
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*/
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EnterCriticalSection(&criticalSection);
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#else
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int error = pthread_mutex_lock(&hMutex);
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(void) error;
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RakAssert(error==0);
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#endif
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}
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void SimpleMutex::Unlock(void)
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{
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// if (isInitialized==false)
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// return;
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#ifdef _WIN32
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// ReleaseMutex(hMutex);
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LeaveCriticalSection(&criticalSection);
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#else
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int error = pthread_mutex_unlock(&hMutex);
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(void) error;
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RakAssert(error==0);
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#endif
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}
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void SimpleMutex::Init(void)
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{
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#if defined(WINDOWS_PHONE_8) || defined(WINDOWS_STORE_RT)
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InitializeCriticalSectionEx(&criticalSection,0,CRITICAL_SECTION_NO_DEBUG_INFO);
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#elif defined(_WIN32)
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// hMutex = CreateMutex(NULL, FALSE, 0);
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// RakAssert(hMutex);
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InitializeCriticalSection(&criticalSection);
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#else
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int error = pthread_mutex_init(&hMutex, 0);
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(void) error;
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RakAssert(error==0);
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#endif
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// isInitialized=true;
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}
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