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Unified Diff: base/waitable_event_generic.cc

Issue 16554: WaitableEvent (Closed)
Patch Set: Addresssing darin's comments (round 2) Created 11 years, 11 months ago
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Index: base/waitable_event_generic.cc
diff --git a/base/waitable_event_generic.cc b/base/waitable_event_generic.cc
deleted file mode 100644
index 61eeeb8ab900affeb11ca0fd7a4a18817e403b4c..0000000000000000000000000000000000000000
--- a/base/waitable_event_generic.cc
+++ /dev/null
@@ -1,71 +0,0 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/waitable_event.h"
-
-namespace base {
-
-WaitableEvent::WaitableEvent(bool manual_reset, bool signaled)
- : lock_(),
- cvar_(&lock_),
- signaled_(signaled),
- manual_reset_(manual_reset) {
-}
-
-WaitableEvent::~WaitableEvent() {
- // Members are destroyed in the reverse of their initialization order, so we
- // should not have to worry about lock_ being destroyed before cvar_.
-}
-
-void WaitableEvent::Reset() {
- AutoLock locked(lock_);
- signaled_ = false;
-}
-
-void WaitableEvent::Signal() {
- AutoLock locked(lock_);
- if (!signaled_) {
- signaled_ = true;
- if (manual_reset_) {
- cvar_.Broadcast();
- } else {
- cvar_.Signal();
- }
- }
-}
-
-bool WaitableEvent::IsSignaled() {
- return TimedWait(TimeDelta::FromMilliseconds(0));
-}
-
-bool WaitableEvent::Wait() {
- AutoLock locked(lock_);
- while (!signaled_)
- cvar_.Wait();
- if (!manual_reset_)
- signaled_ = false;
- return true;
-}
-
-bool WaitableEvent::TimedWait(const TimeDelta& max_time) {
- AutoLock locked(lock_);
- // In case of spurious wake-ups, we need to adjust the amount of time that we
- // spend sleeping.
- TimeDelta total_time;
- for (;;) {
- TimeTicks start = TimeTicks::Now();
- cvar_.TimedWait(max_time - total_time);
- if (signaled_)
- break;
- total_time += TimeTicks::Now() - start;
- if (total_time >= max_time)
- break;
- }
- bool result = signaled_;
- if (!manual_reset_)
- signaled_ = false;
- return result;
-}
-
-} // namespace base
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