| // Copyright (c) 2011 The LevelDB Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. See the AUTHORS file for names of contributors. |
| |
| #include "port/port_posix.h" |
| |
| #include <cstdlib> |
| #include <stdio.h> |
| #include <string.h> |
| #include "util/logging.h" |
| |
| namespace leveldb { |
| namespace port { |
| |
| static void PthreadCall(const char* label, int result) { |
| if (result != 0) { |
| fprintf(stderr, "pthread %s: %s\n", label, strerror(result)); |
| abort(); |
| } |
| } |
| |
| Mutex::Mutex() { PthreadCall("init mutex", pthread_mutex_init(&mu_, NULL)); } |
| |
| Mutex::~Mutex() { PthreadCall("destroy mutex", pthread_mutex_destroy(&mu_)); } |
| |
| void Mutex::Lock() { PthreadCall("lock", pthread_mutex_lock(&mu_)); } |
| |
| void Mutex::Unlock() { PthreadCall("unlock", pthread_mutex_unlock(&mu_)); } |
| |
| CondVar::CondVar(Mutex* mu) |
| : mu_(mu) { |
| PthreadCall("init cv", pthread_cond_init(&cv_, NULL)); |
| } |
| |
| CondVar::~CondVar() { PthreadCall("destroy cv", pthread_cond_destroy(&cv_)); } |
| |
| void CondVar::Wait() { |
| PthreadCall("wait", pthread_cond_wait(&cv_, &mu_->mu_)); |
| } |
| |
| void CondVar::Signal() { |
| PthreadCall("signal", pthread_cond_signal(&cv_)); |
| } |
| |
| void CondVar::SignalAll() { |
| PthreadCall("broadcast", pthread_cond_broadcast(&cv_)); |
| } |
| |
| void InitOnce(OnceType* once, void (*initializer)()) { |
| PthreadCall("once", pthread_once(once, initializer)); |
| } |
| |
| } // namespace port |
| } // namespace leveldb |