1b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org/* 2b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * 4b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * Use of this source code is governed by a BSD-style license 5b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * that can be found in the LICENSE file in the root of the source 6b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * tree. An additional intellectual property rights grant can be found 7b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * in the file PATENTS. All contributing project authors may 8b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org * be found in the AUTHORS file in the root of the source tree. 9b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org */ 10b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 11b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CONDITION_VARIABLE_WRAPPER_H_ 12b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CONDITION_VARIABLE_WRAPPER_H_ 13b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 14b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgnamespace webrtc { 1587beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org 16b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.orgclass CriticalSectionWrapper; 17b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 1887beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.orgclass ConditionVariableWrapper { 1987beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org public: 2087beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org // Factory method, constructor disabled. 2187beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org static ConditionVariableWrapper* CreateConditionVariable(); 22b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 2387beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org virtual ~ConditionVariableWrapper() {} 24b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 2587beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org // Calling thread will atomically release crit_sect and wait until next 2687beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org // some other thread calls Wake() or WakeAll(). 2787beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org virtual void SleepCS(CriticalSectionWrapper& crit_sect) = 0; 28b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 2987beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org // Same as above but with a timeout. 3087beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org virtual bool SleepCS(CriticalSectionWrapper& crit_sect, 3187beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org unsigned long max_time_in_ms) = 0; 32b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 3387beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org // Wakes one thread calling SleepCS(). 3487beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org virtual void Wake() = 0; 35b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 3687beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org // Wakes all threads calling SleepCS(). 3787beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org virtual void WakeAll() = 0; 38b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org}; 3987beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org 403b89e10f31160da35b408fd00cb8f89d2b08862dpbos@webrtc.org} // namespace webrtc 41b015cbede88899f67a53fbbe581b02ce8e32794andrew@webrtc.org 4287beb441ccf697d1f2677ceaccde7fc153c6fdd9phoglund@webrtc.org#endif // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CONDITION_VARIABLE_WRAPPER_H_ 43