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/*
* Copyright 2011 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Simple platform thread implementation used to test our cross-platform locks.
// This is a trimmed down version of Chromium base/threading/platform_thread.h.
#ifndef SFNTLY_CPP_SRC_TEST_PLATFORM_THREAD_H_
#define SFNTLY_CPP_SRC_TEST_PLATFORM_THREAD_H_
#if defined (WIN32)
#include <windows.h>
#else // Assume pthread
#include <errno.h>
#include <pthread.h>
#include <time.h>
#endif // if defined (WIN32)
#include "sfntly/port/type.h"
namespace sfntly {
#if defined (WIN32)
typedef HANDLE PlatformThreadHandle;
const PlatformThreadHandle kNullThreadHandle = NULL;
#else // Assume pthread
typedef pthread_t PlatformThreadHandle;
const PlatformThreadHandle kNullThreadHandle = 0;
#endif
class PlatformThread {
public:
class Delegate {
public:
virtual ~Delegate() {}
virtual void ThreadMain() = 0;
};
// Sleeps for the specified duration (units are milliseconds).
static void Sleep(int32_t duration_ms);
// Creates a new thread using default stack size. Upon success,
// |*thread_handle| will be assigned a handle to the newly created thread,
// and |delegate|'s ThreadMain method will be executed on the newly created
// thread.
// NOTE: When you are done with the thread handle, you must call Join to
// release system resources associated with the thread. You must ensure that
// the Delegate object outlives the thread.
static bool Create(Delegate* delegate, PlatformThreadHandle* thread_handle);
// Joins with a thread created via the Create function. This function blocks
// the caller until the designated thread exits. This will invalidate
// |thread_handle|.
static void Join(PlatformThreadHandle thread_handle);
private:
PlatformThread() {}
NO_COPY_AND_ASSIGN(PlatformThread);
};
} // namespace sfntly
#endif // SFNTLY_CPP_SRC_TEST_PLATFORM_THREAD_H_
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