blob: 9912342188feb354cf0b26480b83874ba5ccc395 [file] [log] [blame]
// Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#ifndef RUNTIME_VM_OS_THREAD_ABSL_H_
#define RUNTIME_VM_OS_THREAD_ABSL_H_
#if !defined(RUNTIME_VM_OS_THREAD_H_)
#error Do not include os_thread_absl.h directly; use os_thread.h instead.
#endif
#include <pthread.h>
#include "platform/assert.h"
#include "platform/globals.h"
#include "third_party/absl/synchronization/mutex.h"
namespace dart {
typedef pthread_key_t ThreadLocalKey;
typedef pthread_t ThreadId;
typedef pthread_t ThreadJoinId;
static const ThreadLocalKey kUnsetThreadLocalKey =
static_cast<pthread_key_t>(-1);
class ThreadInlineImpl {
private:
ThreadInlineImpl() {}
~ThreadInlineImpl() {}
static uword GetThreadLocal(ThreadLocalKey key) {
ASSERT(key != kUnsetThreadLocalKey);
return reinterpret_cast<uword>(pthread_getspecific(key));
}
friend class OSThread;
DISALLOW_ALLOCATION();
DISALLOW_COPY_AND_ASSIGN(ThreadInlineImpl);
};
class MutexData {
private:
MutexData() : mutex_() {}
~MutexData() {}
absl::Mutex* mutex() { return &mutex_; }
absl::Mutex mutex_;
friend class Mutex;
friend class ConditionVariable;
DISALLOW_ALLOCATION();
DISALLOW_COPY_AND_ASSIGN(MutexData);
};
class ConditionVariableData {
private:
ConditionVariableData() : cond_() {}
~ConditionVariableData() {}
absl::CondVar* cond() { return &cond_; }
absl::CondVar cond_;
friend class ConditionVariable;
DISALLOW_ALLOCATION();
DISALLOW_COPY_AND_ASSIGN(ConditionVariableData);
};
class MonitorData {
private:
MonitorData() : mutex_(), cond_() {}
~MonitorData() {}
absl::Mutex* mutex() { return &mutex_; }
absl::CondVar* cond() { return &cond_; }
absl::Mutex mutex_;
absl::CondVar cond_;
friend class Monitor;
DISALLOW_ALLOCATION();
DISALLOW_COPY_AND_ASSIGN(MonitorData);
};
} // namespace dart
#endif // RUNTIME_VM_OS_THREAD_ABSL_H_