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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/synchronization/condition_variable.h" | 5 #include "base/synchronization/condition_variable.h" |
6 | 6 |
7 #include "base/synchronization/lock.h" | 7 #include "base/synchronization/lock.h" |
8 #include "base/threading/thread_restrictions.h" | 8 #include "base/threading/thread_restrictions.h" |
9 #include "base/time/time.h" | 9 #include "base/time/time.h" |
10 | 10 |
11 namespace base { | 11 namespace base { |
12 | 12 |
13 ConditionVariable::ConditionVariable(Lock* user_lock) | 13 ConditionVariable::ConditionVariable(Lock* user_lock) |
14 : crit_sec_(user_lock->lock_.native_handle()) | 14 : srwlock_(user_lock->lock_.native_handle()) |
15 #if DCHECK_IS_ON() | 15 #if DCHECK_IS_ON() |
16 , user_lock_(user_lock) | 16 , user_lock_(user_lock) |
17 #endif | 17 #endif |
18 { | 18 { |
19 DCHECK(user_lock); | 19 DCHECK(user_lock); |
20 InitializeConditionVariable(&cv_); | 20 InitializeConditionVariable(&cv_); |
21 } | 21 } |
22 | 22 |
23 ConditionVariable::~ConditionVariable() = default; | 23 ConditionVariable::~ConditionVariable() = default; |
24 | 24 |
25 void ConditionVariable::Wait() { | 25 void ConditionVariable::Wait() { |
26 TimedWait(TimeDelta::FromMilliseconds(INFINITE)); | 26 TimedWait(TimeDelta::FromMilliseconds(INFINITE)); |
27 } | 27 } |
28 | 28 |
29 void ConditionVariable::TimedWait(const TimeDelta& max_time) { | 29 void ConditionVariable::TimedWait(const TimeDelta& max_time) { |
30 base::ThreadRestrictions::AssertWaitAllowed(); | 30 base::ThreadRestrictions::AssertWaitAllowed(); |
31 DWORD timeout = static_cast<DWORD>(max_time.InMilliseconds()); | 31 DWORD timeout = static_cast<DWORD>(max_time.InMilliseconds()); |
32 | 32 |
33 #if DCHECK_IS_ON() | 33 #if DCHECK_IS_ON() |
34 user_lock_->CheckHeldAndUnmark(); | 34 user_lock_->CheckHeldAndUnmark(); |
35 #endif | 35 #endif |
36 | 36 |
37 if (FALSE == SleepConditionVariableCS(&cv_, crit_sec_, timeout)) { | 37 if (FALSE == SleepConditionVariableSRW(&cv_, srwlock_, timeout, 0)) { |
38 DCHECK(GetLastError() != WAIT_TIMEOUT); | 38 DCHECK(GetLastError() != WAIT_TIMEOUT); |
39 } | 39 } |
40 | 40 |
41 #if DCHECK_IS_ON() | 41 #if DCHECK_IS_ON() |
42 user_lock_->CheckUnheldAndMark(); | 42 user_lock_->CheckUnheldAndMark(); |
43 #endif | 43 #endif |
44 } | 44 } |
45 | 45 |
46 void ConditionVariable::Broadcast() { | 46 void ConditionVariable::Broadcast() { |
47 WakeAllConditionVariable(&cv_); | 47 WakeAllConditionVariable(&cv_); |
48 } | 48 } |
49 | 49 |
50 void ConditionVariable::Signal() { | 50 void ConditionVariable::Signal() { |
51 WakeConditionVariable(&cv_); | 51 WakeConditionVariable(&cv_); |
52 } | 52 } |
53 | 53 |
54 } // namespace base | 54 } // namespace base |
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