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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /xpcom/threads/ThreadEventTarget.h | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xpcom/threads/ThreadEventTarget.h')
| -rw-r--r-- | xpcom/threads/ThreadEventTarget.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/xpcom/threads/ThreadEventTarget.h b/xpcom/threads/ThreadEventTarget.h new file mode 100644 index 0000000000..b78411aa80 --- /dev/null +++ b/xpcom/threads/ThreadEventTarget.h @@ -0,0 +1,63 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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_ThreadEventTarget_h +#define mozilla_ThreadEventTarget_h + +#include "mozilla/MemoryReporting.h" +#include "mozilla/Mutex.h" +#include "mozilla/SynchronizedEventQueue.h" // for ThreadTargetSink +#include "nsISerialEventTarget.h" + +namespace mozilla { +class DelayedRunnable; + +// ThreadEventTarget handles the details of posting an event to a thread. It can +// be used with any ThreadTargetSink implementation. +class ThreadEventTarget final : public nsISerialEventTarget { + public: + ThreadEventTarget(ThreadTargetSink* aSink, bool aIsMainThread, + bool aBlockDispatch); + + NS_DECL_THREADSAFE_ISUPPORTS + NS_DECL_NSIEVENTTARGET_FULL + + // Disconnects the target so that it can no longer post events. + void Disconnect(const MutexAutoLock& aProofOfLock) { + mSink->Disconnect(aProofOfLock); + } + + // Sets the thread for which IsOnCurrentThread returns true to the current + // thread. + void SetCurrentThread(PRThread* aThread); + // Call ClearCurrentThread() before the PRThread is deleted on thread join. + void ClearCurrentThread(); + + size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { + size_t n = 0; + if (mSink) { + n += mSink->SizeOfIncludingThis(aMallocSizeOf); + } + return aMallocSizeOf(this) + n; + } + +#ifdef DEBUG + static void XPCOMShutdownThreadsNotificationFinished(); +#endif + + private: + ~ThreadEventTarget(); + + RefPtr<ThreadTargetSink> mSink; +#ifdef DEBUG + const bool mIsMainThread; +#endif + const bool mBlockDispatch; +}; + +} // namespace mozilla + +#endif // mozilla_ThreadEventTarget_h |