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-rw-r--r--base/synchronization/waitable_event_win.cc96
1 files changed, 0 insertions, 96 deletions
diff --git a/base/synchronization/waitable_event_win.cc b/base/synchronization/waitable_event_win.cc
deleted file mode 100644
index 4db56277b7..0000000000
--- a/base/synchronization/waitable_event_win.cc
+++ /dev/null
@@ -1,96 +0,0 @@
-// Copyright (c) 2011 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/synchronization/waitable_event.h"
-
-#include <windows.h>
-
-#include "base/logging.h"
-#include "base/numerics/safe_conversions.h"
-#include "base/threading/thread_restrictions.h"
-#include "base/time/time.h"
-
-namespace base {
-
-WaitableEvent::WaitableEvent(bool manual_reset, bool signaled)
- : handle_(CreateEvent(NULL, manual_reset, signaled, NULL)) {
- // We're probably going to crash anyways if this is ever NULL, so we might as
- // well make our stack reports more informative by crashing here.
- CHECK(handle_.IsValid());
-}
-
-WaitableEvent::WaitableEvent(win::ScopedHandle handle)
- : handle_(handle.Pass()) {
- CHECK(handle_.IsValid()) << "Tried to create WaitableEvent from NULL handle";
-}
-
-WaitableEvent::~WaitableEvent() {
-}
-
-void WaitableEvent::Reset() {
- ResetEvent(handle_.Get());
-}
-
-void WaitableEvent::Signal() {
- SetEvent(handle_.Get());
-}
-
-bool WaitableEvent::IsSignaled() {
- return TimedWait(TimeDelta());
-}
-
-void WaitableEvent::Wait() {
- base::ThreadRestrictions::AssertWaitAllowed();
- DWORD result = WaitForSingleObject(handle_.Get(), INFINITE);
- // It is most unexpected that this should ever fail. Help consumers learn
- // about it if it should ever fail.
- DCHECK_EQ(WAIT_OBJECT_0, result) << "WaitForSingleObject failed";
-}
-
-bool WaitableEvent::TimedWait(const TimeDelta& max_time) {
- base::ThreadRestrictions::AssertWaitAllowed();
- DCHECK_GE(max_time, TimeDelta());
- // Truncate the timeout to milliseconds. The API specifies that this method
- // can return in less than |max_time| (when returning false), as the argument
- // is the maximum time that a caller is willing to wait.
- DWORD timeout = saturated_cast<DWORD>(max_time.InMilliseconds());
-
- DWORD result = WaitForSingleObject(handle_.Get(), timeout);
- switch (result) {
- case WAIT_OBJECT_0:
- return true;
- case WAIT_TIMEOUT:
- return false;
- }
- // It is most unexpected that this should ever fail. Help consumers learn
- // about it if it should ever fail.
- NOTREACHED() << "WaitForSingleObject failed";
- return false;
-}
-
-// static
-size_t WaitableEvent::WaitMany(WaitableEvent** events, size_t count) {
- base::ThreadRestrictions::AssertWaitAllowed();
- HANDLE handles[MAXIMUM_WAIT_OBJECTS];
- CHECK_LE(count, MAXIMUM_WAIT_OBJECTS)
- << "Can only wait on " << MAXIMUM_WAIT_OBJECTS << " with WaitMany";
-
- for (size_t i = 0; i < count; ++i)
- handles[i] = events[i]->handle();
-
- // The cast is safe because count is small - see the CHECK above.
- DWORD result =
- WaitForMultipleObjects(static_cast<DWORD>(count),
- handles,
- FALSE, // don't wait for all the objects
- INFINITE); // no timeout
- if (result >= WAIT_OBJECT_0 + count) {
- DPLOG(FATAL) << "WaitForMultipleObjects failed";
- return 0;
- }
-
- return result - WAIT_OBJECT_0;
-}
-
-} // namespace base