diff options
Diffstat (limited to 'dom/media/UnderrunHandler.h')
| -rw-r--r-- | dom/media/UnderrunHandler.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/dom/media/UnderrunHandler.h b/dom/media/UnderrunHandler.h new file mode 100644 index 0000000000..a8d6bedbc7 --- /dev/null +++ b/dom/media/UnderrunHandler.h @@ -0,0 +1,22 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef MOZILLA_UNDERRUNHANDLER_H_ +#define MOZILLA_UNDERRUNHANDLER_H_ + +namespace mozilla { +// Install an handler on SIGXPCU for the calling thread, that calls +// `UnderrunHandler` when the soft real-time limit has been reached. If a +// handler was already in place, this does nothing. No-op if not on Linux +// Desktop. +void InstallSoftRealTimeLimitHandler(); +// Query whether or not the soft-real-time limit has been reached. Always +// false when not on Linux desktop. Can be called from any thread. +bool SoftRealTimeLimitReached(); +// Set the calling thread to a normal scheduling class. +void DemoteThreadFromRealTime(); +} // namespace mozilla + +#endif // MOZILLA_UNDERRUNHANDLER_H_ |