mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
e52329c788
The bulk of this commit was generated by running:
run-clang-tidy.py \
-checks='-*,llvm-namespace-comment' \
-header-filter=^/.../mozilla-central/.* \
-fix
80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Hal.h"
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#include <algorithm>
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/StaticPtr.h"
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#include "nsComponentManagerUtils.h"
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#include "nsITimer.h"
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#include "nsThreadUtils.h"
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namespace mozilla {
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namespace hal_impl {
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static void
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TimerCallbackFunc(nsITimer *aTimer, void *aClosure)
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{
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hal::NotifyAlarmFired();
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}
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static StaticRefPtr<nsITimer> sTimer;
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bool
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EnableAlarm()
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{
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static bool initialized = false;
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if (!initialized) {
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initialized = true;
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ClearOnShutdown(&sTimer);
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}
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nsCOMPtr<nsITimer> timer = do_CreateInstance("@mozilla.org/timer;1");
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sTimer = timer;
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MOZ_ASSERT(sTimer);
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return true;
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}
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void
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DisableAlarm()
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{
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/*
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* DisableAlarm() may be called after sTimer has been set to null by
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* ClearOnShutdown().
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*/
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if (sTimer) {
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sTimer->Cancel();
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}
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}
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bool
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SetAlarm(int32_t aSeconds, int32_t aNanoseconds)
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{
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if (!sTimer) {
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MOZ_ASSERT(false, "We should have enabled the alarm");
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return false;
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}
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// Do the math to convert aSeconds and aNanoseconds into milliseconds since
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// the epoch.
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int64_t milliseconds = static_cast<int64_t>(aSeconds) * 1000 +
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static_cast<int64_t>(aNanoseconds) / 1000000;
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// nsITimer expects relative milliseconds.
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int64_t relMilliseconds = milliseconds - PR_Now() / 1000;
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// If the alarm time is in the past relative to PR_Now(),
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// we choose to immediately fire the alarm. Passing 0 means nsITimer will
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// queue a timeout event immediately.
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sTimer->InitWithFuncCallback(TimerCallbackFunc, nullptr,
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clamped<int64_t>(relMilliseconds, 0, INT32_MAX),
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nsITimer::TYPE_ONE_SHOT);
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return true;
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}
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} // namespace hal_impl
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} // namespace mozilla
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