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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "base/synchronization/read_write_lock.h" |
| 6 |
| 7 namespace base { |
| 8 namespace subtle { |
| 9 |
| 10 ReadWriteLock::ReadWriteLock() : native_handle_(SRWLOCK_INIT) {} |
| 11 |
| 12 ReadWriteLock::~ReadWriteLock() = default; |
| 13 |
| 14 void ReadWriteLock::ReadAcquire() { |
| 15 ::AcquireSRWLockShared(&native_handle_); |
| 16 } |
| 17 |
| 18 void ReadWriteLock::ReadRelease() { |
| 19 ::ReleaseSRWLockShared(&native_handle_); |
| 20 } |
| 21 |
| 22 void ReadWriteLock::WriteAcquire() { |
| 23 ::AcquireSRWLockExclusive(&native_handle_); |
| 24 } |
| 25 |
| 26 void ReadWriteLock::WriteRelease() { |
| 27 ::ReleaseSRWLockExclusive(&native_handle_); |
| 28 } |
| 29 |
| 30 } // namespace subtle |
| 31 } // namespace base |
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