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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ppapi/utility/threading/simple_thread.h" | |
| 6 | |
| 7 #ifdef WIN32 | |
| 8 #include <windows.h> | |
| 9 #endif | |
| 10 | |
| 11 namespace pp { | |
| 12 | |
| 13 namespace { | |
| 14 | |
| 15 struct ThreadData { | |
| 16 MessageLoop_Dev message_loop; | |
| 17 | |
| 18 SimpleThread::ThreadFunc func; | |
| 19 void* user_data; | |
| 20 }; | |
| 21 | |
| 22 #ifdef WIN32 | |
| 23 DWORD WINAPI RunThread(void* void_data) { | |
| 24 #else | |
| 25 void* RunThread(void* void_data) { | |
| 26 #endif | |
| 27 ThreadData* data = static_cast<ThreadData*>(void_data); | |
| 28 data->message_loop.AttachToCurrentThread(); | |
| 29 | |
| 30 if (data->func) | |
| 31 data->func(data->message_loop, data->user_data); | |
| 32 else | |
| 33 data->message_loop.Run(); | |
| 34 | |
| 35 delete data; | |
| 36 return NULL; | |
| 37 } | |
| 38 | |
| 39 } // namespace | |
| 40 | |
| 41 SimpleThread::SimpleThread(Instance* instance) | |
| 42 : instance_(instance), | |
| 43 message_loop_(instance), | |
| 44 thread_(0) { | |
| 45 } | |
| 46 | |
| 47 SimpleThread::~SimpleThread() { | |
| 48 Join(); | |
| 49 } | |
| 50 | |
| 51 bool SimpleThread::Start() { | |
| 52 return StartWithFunction(NULL, NULL); | |
| 53 } | |
| 54 | |
| 55 bool SimpleThread::Join() { | |
| 56 if (!thread_) | |
| 57 return false; | |
| 58 | |
| 59 message_loop_.PostQuit(true); | |
| 60 | |
| 61 #ifdef WIN32 | |
| 62 DWORD result = WaitForSingleObject(thread_, INFINITE); | |
| 63 CloseHandle(thread_); | |
| 64 thread_ = 0; | |
| 65 return result == WAIT_OBJECT_0; | |
| 66 | |
| 67 #else | |
| 68 void* retval; | |
| 69 int result = pthread_join(thread_, &retval); | |
| 70 thread_ = 0; | |
| 71 return result == 0; | |
| 72 #endif | |
| 73 } | |
| 74 | |
| 75 bool SimpleThread::StartWithFunction(ThreadFunc func, void* user_data) { | |
| 76 if (thread_) | |
| 77 return false; | |
| 78 | |
| 79 ThreadData* data = new ThreadData; | |
| 80 data->message_loop = message_loop_; | |
| 81 data->func = func; | |
| 82 data->user_data = user_data; | |
| 83 | |
| 84 #ifdef WIN32 | |
| 85 thread_ = CreateThread(NULL, 0, &RunThread, data, 0, NULL); | |
| 86 if (!thread_) { | |
| 87 #else | |
| 88 if (pthread_create(&thread_, NULL, &RunThread, data) != 0) { | |
| 89 #endif | |
| 90 delete data; | |
| 91 return false; | |
| 92 } | |
| 93 return true; | |
| 94 } | |
| 95 | |
| 96 } // namespace pp | |
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Chromium Code Reviews
Issue 9290040:
Revert 119198 - First pass at implementing the MessageLoop interface. This includes a simple (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/