mirror of
https://github.com/oxen-io/session-android.git
synced 2024-12-19 06:27:30 +00:00
61 lines
2.2 KiB
C++
61 lines
2.2 KiB
C++
/*
|
|
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_EVENT_WRAPPER_H_
|
|
#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_EVENT_WRAPPER_H_
|
|
|
|
namespace webrtc {
|
|
enum EventTypeWrapper {
|
|
kEventSignaled = 1,
|
|
kEventError = 2,
|
|
kEventTimeout = 3
|
|
};
|
|
|
|
#define WEBRTC_EVENT_10_SEC 10000
|
|
#define WEBRTC_EVENT_INFINITE 0xffffffff
|
|
|
|
class EventWrapper {
|
|
public:
|
|
// Factory method. Constructor disabled.
|
|
static EventWrapper* Create();
|
|
virtual ~EventWrapper() {}
|
|
|
|
// Releases threads who are calling Wait() and has started waiting. Please
|
|
// note that a thread calling Wait() will not start waiting immediately.
|
|
// assumptions to the contrary is a very common source of issues in
|
|
// multithreaded programming.
|
|
// Set is sticky in the sense that it will release at least one thread
|
|
// either immediately or some time in the future.
|
|
virtual bool Set() = 0;
|
|
|
|
// Prevents future Wait() calls from finishing without a new Set() call.
|
|
virtual bool Reset() = 0;
|
|
|
|
// Puts the calling thread into a wait state. The thread may be released
|
|
// by a Set() call depending on if other threads are waiting and if so on
|
|
// timing. The thread that was released will call Reset() before leaving
|
|
// preventing more threads from being released. If multiple threads
|
|
// are waiting for the same Set(), only one (random) thread is guaranteed to
|
|
// be released. It is possible that multiple (random) threads are released
|
|
// Depending on timing.
|
|
virtual EventTypeWrapper Wait(unsigned long max_time) = 0;
|
|
|
|
// Starts a timer that will call a non-sticky version of Set() either once
|
|
// or periodically. If the timer is periodic it ensures that there is no
|
|
// drift over time relative to the system clock.
|
|
virtual bool StartTimer(bool periodic, unsigned long time) = 0;
|
|
|
|
virtual bool StopTimer() = 0;
|
|
|
|
};
|
|
} // namespace webrtc
|
|
|
|
#endif // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_EVENT_WRAPPER_H_
|