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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /ipc/glue/IdleSchedulerChild.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ipc/glue/IdleSchedulerChild.h')
-rw-r--r-- | ipc/glue/IdleSchedulerChild.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/ipc/glue/IdleSchedulerChild.h b/ipc/glue/IdleSchedulerChild.h new file mode 100644 index 0000000000..cf93084bfc --- /dev/null +++ b/ipc/glue/IdleSchedulerChild.h @@ -0,0 +1,75 @@ +/* -*- 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_ipc_IdleSchedulerChild_h__ +#define mozilla_ipc_IdleSchedulerChild_h__ + +#include "mozilla/Assertions.h" +#include "mozilla/Attributes.h" +#include "mozilla/ipc/PIdleSchedulerChild.h" + +class nsIIdlePeriod; + +namespace mozilla { +class IdlePeriodState; + +namespace ipc { + +class BackgroundChildImpl; + +class IdleSchedulerChild final : public PIdleSchedulerChild { + public: + IdleSchedulerChild() = default; + + NS_INLINE_DECL_REFCOUNTING(IdleSchedulerChild) + + IPCResult RecvIdleTime(uint64_t aId, TimeDuration aBudget); + + void Init(IdlePeriodState* aIdlePeriodState); + + void Disconnect() { mIdlePeriodState = nullptr; } + + // See similar methods on PrioritizedEventQueue. + void SetActive(); + // Returns true if activity state dropped below cpu count. + bool SetPaused(); + + typedef MozPromise<bool, ResponseRejectReason, true> MayGCPromise; + + // Returns null if a GC or GC request is already in progress. + RefPtr<MayGCPromise> MayGCNow(); + + // Regardless of how a GC is started we get informed via these. + void StartedGC(); + void DoneGC(); + + // Returns nullptr if this is the parent process or the IdleSchedulerChild has + // already been destroyed, eg if IPC is shutting down. + static IdleSchedulerChild* GetMainThreadIdleScheduler(); + + private: + ~IdleSchedulerChild(); + + friend class BackgroundChildImpl; + + // See IdleScheduleParent::sActiveChildCounter + base::SharedMemory mActiveCounter; + + IdlePeriodState* mIdlePeriodState = nullptr; + + uint32_t mChildId = 0; + + // These fields replicate those in IdleSchedulerParent. Tracking them here + // ensures we don't send confusing information to the parent, while + // nsJSEnvironment is free to tell us about any GCs. + bool mIsRequestingGC = false; + bool mIsDoingGC = false; +}; + +} // namespace ipc +} // namespace mozilla + +#endif // mozilla_ipc_IdleSchedulerChild_h__ |