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Bug 1837550 - Clean up control flow in WaitableEvent. r=nika

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Differential Revision: https://phabricator.services.mozilla.com/D212642
This commit is contained in:
Jed Davis 2024-06-06 02:15:18 +00:00
parent 59d854a90e
commit e2a4fdb72f
1 changed files with 7 additions and 6 deletions
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13
ipc/chromium/src/base/waitable_event_posix.cc
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@ -82,13 +82,14 @@ class SyncWaiter : public WaitableEvent::Waiter {
: fired_(false), cv_(cv), lock_(lock), signaling_event_(NULL) {}
bool Fire(WaitableEvent* signaling_event) override {
lock_->Acquire();
const bool previous_value = fired_;
fired_ = true;
if (!previous_value) signaling_event_ = signaling_event;
lock_->Release();
AutoLock locked(*lock_);
if (previous_value) return false;
if (fired_) {
return false;
}
fired_ = true;
signaling_event_ = signaling_event;
cv_->Broadcast();