875c97ed9d
Also cleaning up methods with the same name in other classes that are derived from the above method. R=perkj@webrtc.org Review URL: https://webrtc-codereview.appspot.com/41759004 Cr-Commit-Position: refs/heads/master@{#8242} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8242 4adac7df-926f-26a2-2b94-8c16560cd09d
115 lines
2.8 KiB
C++
115 lines
2.8 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/system_wrappers/source/thread_win.h"
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#include <process.h>
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#include <stdio.h>
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#include <windows.h>
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#include "webrtc/base/checks.h"
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#include "webrtc/system_wrappers/interface/trace.h"
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#include "webrtc/system_wrappers/source/set_thread_name_win.h"
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namespace webrtc {
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ThreadWindows::ThreadWindows(ThreadRunFunction func, ThreadObj obj,
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ThreadPriority prio, const char* thread_name)
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: run_function_(func),
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obj_(obj),
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prio_(prio),
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event_(CreateEvent(NULL, FALSE, FALSE, NULL)),
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thread_(NULL),
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name_(thread_name ? thread_name : "webrtc") {
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DCHECK(func);
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DCHECK(event_);
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}
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ThreadWindows::~ThreadWindows() {
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DCHECK(main_thread_.CalledOnValidThread());
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DCHECK(!thread_);
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CloseHandle(event_);
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}
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// static
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uint32_t ThreadWrapper::GetThreadId() {
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return GetCurrentThreadId();
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}
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// static
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DWORD WINAPI ThreadWindows::StartThread(void* param) {
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static_cast<ThreadWindows*>(param)->Run();
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return 0;
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}
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bool ThreadWindows::Start(unsigned int& id) {
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DCHECK(main_thread_.CalledOnValidThread());
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DCHECK(!thread_);
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// See bug 2902 for stack size.
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DWORD thread_id;
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thread_ = ::CreateThread(NULL, 0, &StartThread, this,
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STACK_SIZE_PARAM_IS_A_RESERVATION, &thread_id);
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if (!thread_ ) {
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DCHECK(false) << "CreateThread failed";
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return false;
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}
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id = thread_id;
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if (prio_ != kNormalPriority) {
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int priority = THREAD_PRIORITY_NORMAL;
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switch (prio_) {
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case kLowPriority:
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priority = THREAD_PRIORITY_BELOW_NORMAL;
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break;
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case kHighPriority:
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priority = THREAD_PRIORITY_ABOVE_NORMAL;
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break;
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case kHighestPriority:
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priority = THREAD_PRIORITY_HIGHEST;
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break;
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case kRealtimePriority:
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priority = THREAD_PRIORITY_TIME_CRITICAL;
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break;
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default:
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break;
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}
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SetThreadPriority(thread_, priority);
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}
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return true;
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}
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bool ThreadWindows::Stop() {
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DCHECK(main_thread_.CalledOnValidThread());
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if (thread_) {
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SetEvent(event_);
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WaitForSingleObject(thread_, INFINITE);
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CloseHandle(thread_);
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thread_ = nullptr;
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}
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return true;
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}
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void ThreadWindows::Run() {
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if (!name_.empty())
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SetThreadName(static_cast<DWORD>(-1), name_.c_str());
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do {
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if (!run_function_(obj_))
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break;
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} while (WaitForSingleObject(event_, 0) == WAIT_TIMEOUT);
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}
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} // namespace webrtc
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