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42 lines
963 B
C++
42 lines
963 B
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/fml/thread_local.h"
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#if FML_THREAD_LOCAL_PTHREADS
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#include <cstring>
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#include "flutter/fml/logging.h"
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namespace fml {
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namespace internal {
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ThreadLocalPointer::ThreadLocalPointer(void (*destroy)(void*)) {
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FML_CHECK(pthread_key_create(&key_, destroy) == 0);
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}
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ThreadLocalPointer::~ThreadLocalPointer() {
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FML_CHECK(pthread_key_delete(key_) == 0);
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}
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void* ThreadLocalPointer::get() const {
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return pthread_getspecific(key_);
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}
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void* ThreadLocalPointer::swap(void* ptr) {
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void* old_ptr = get();
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int err = pthread_setspecific(key_, ptr);
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if (err) {
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FML_CHECK(false) << "pthread_setspecific failed (" << err
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<< "): " << strerror(err);
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}
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return old_ptr;
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}
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} // namespace internal
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} // namespace fml
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#endif // FML_THREAD_LOCAL_PTHREADS
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