41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
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/*
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* Copyright 2016 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/base/task_queue_posix.h"
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#include "webrtc/base/checks.h"
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#include "webrtc/base/task_queue.h"
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namespace rtc {
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namespace internal {
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pthread_key_t g_queue_ptr_tls = 0;
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void InitializeTls() {
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RTC_CHECK(pthread_key_create(&g_queue_ptr_tls, nullptr) == 0);
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}
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pthread_key_t GetQueuePtrTls() {
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static pthread_once_t init_once = PTHREAD_ONCE_INIT;
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RTC_CHECK(pthread_once(&init_once, &InitializeTls) == 0);
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return g_queue_ptr_tls;
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}
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AutoSetCurrentQueuePtr::AutoSetCurrentQueuePtr(TaskQueue* q)
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: prev_(TaskQueue::Current()) {
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pthread_setspecific(GetQueuePtrTls(), q);
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}
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AutoSetCurrentQueuePtr::~AutoSetCurrentQueuePtr() {
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pthread_setspecific(GetQueuePtrTls(), prev_);
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}
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} // namespace internal
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} // namespace rtc
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