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 22 Thread::Thread() { 23 pthread_cond_init(&cond_, nullptr); 24 } 25 26 Thread::~Thread() { 27 pthread_cond_destroy(&cond_); 28 } 29 30 void Thread::WaitForReady() { 31 pthread_mutex_lock(&mutex_); 32 while (pending_) { 33 pthread_cond_wait(&cond_, &mutex_); 34 } 35 pthread_mutex_unlock(&mutex_); 36 } 37 38 void Thread::WaitForPending() { 39 pthread_mutex_lock(&mutex_); 40 while (!pending_) { 41 pthread_cond_wait(&cond_, &mutex_); 42 } 43 pthread_mutex_unlock(&mutex_); 44 } 45 46 void Thread::SetPending() { 47 pthread_mutex_lock(&mutex_); 48 pending_ = true; 49 pthread_mutex_unlock(&mutex_); 50 pthread_cond_signal(&cond_); 51 } 52 53 void Thread::ClearPending() { 54 pthread_mutex_lock(&mutex_); 55 pending_ = false; 56 pthread_mutex_unlock(&mutex_); 57 pthread_cond_signal(&cond_); 58 } 59 60 Action* Thread::CreateAction(uintptr_t key_pointer, const char* type, const char* line) { 61 return Action::CreateAction(key_pointer, type, line, action_memory_); 62 } 63