1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <pthread.h>
18
19#include "Action.h"
20#include "Thread.h"
21
22Thread::Thread() {
23  pthread_cond_init(&cond_, nullptr);
24}
25
26Thread::~Thread() {
27  pthread_cond_destroy(&cond_);
28}
29
30void Thread::WaitForReady() {
31  pthread_mutex_lock(&mutex_);
32  while (pending_) {
33    pthread_cond_wait(&cond_, &mutex_);
34  }
35  pthread_mutex_unlock(&mutex_);
36}
37
38void Thread::WaitForPending() {
39  pthread_mutex_lock(&mutex_);
40  while (!pending_) {
41    pthread_cond_wait(&cond_, &mutex_);
42  }
43  pthread_mutex_unlock(&mutex_);
44}
45
46void Thread::SetPending() {
47  pthread_mutex_lock(&mutex_);
48  pending_ = true;
49  pthread_mutex_unlock(&mutex_);
50  pthread_cond_signal(&cond_);
51}
52
53void Thread::ClearPending() {
54  pthread_mutex_lock(&mutex_);
55  pending_ = false;
56  pthread_mutex_unlock(&mutex_);
57  pthread_cond_signal(&cond_);
58}
59
60Action* Thread::CreateAction(uintptr_t key_pointer, const char* type, const char* line) {
61  return Action::CreateAction(key_pointer, type, line, action_memory_);
62}
63