1 /* 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_BASE_EVENT_H__ 12 #define WEBRTC_BASE_EVENT_H__ 13 14 #if defined(WEBRTC_WIN) 15 #include "webrtc/base/win32.h" // NOLINT: consider this a system header. 16 #elif defined(WEBRTC_POSIX) 17 #include <pthread.h> 18 #else 19 #error "Must define either WEBRTC_WIN or WEBRTC_POSIX." 20 #endif 21 22 #include "webrtc/base/basictypes.h" 23 24 namespace rtc { 25 26 class Event { 27 public: 28 static const int kForever = -1; 29 30 Event(bool manual_reset, bool initially_signaled); 31 ~Event(); 32 33 void Set(); 34 void Reset(); 35 36 // Wait for the event to become signaled, for the specified number of 37 // |milliseconds|. To wait indefinetly, pass kForever. 38 bool Wait(int milliseconds); 39 40 private: 41 #if defined(WEBRTC_WIN) 42 HANDLE event_handle_; 43 #elif defined(WEBRTC_POSIX) 44 pthread_mutex_t event_mutex_; 45 pthread_cond_t event_cond_; 46 const bool is_manual_reset_; 47 bool event_status_; 48 #endif 49 }; 50 51 } // namespace rtc 52 53 #endif // WEBRTC_BASE_EVENT_H__ 54
