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/*
* Copyright (c) 2017 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 MODULES_DESKTOP_CAPTURE_SCREEN_DRAWER_LOCK_POSIX_H_
#define MODULES_DESKTOP_CAPTURE_SCREEN_DRAWER_LOCK_POSIX_H_
#include <semaphore.h>
#include "absl/strings/string_view.h"
#include "modules/desktop_capture/screen_drawer.h"
namespace webrtc {
class ScreenDrawerLockPosix final : public ScreenDrawerLock {
public:
ScreenDrawerLockPosix();
// Provides a name other than the default one for test only.
explicit ScreenDrawerLockPosix(const char* name);
~ScreenDrawerLockPosix() override;
// Unlinks the named semaphore actively. This will remove the sem_t object in
// the system and allow others to create a different sem_t object with the
// same/ name.
static void Unlink(absl::string_view name);
private:
sem_t* semaphore_;
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_SCREEN_DRAWER_LOCK_POSIX_H_
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