cppjieba/src/limonp/MutexLock.hpp

#ifndef LIMONP_MUTEX_LOCK_HPP
#define LIMONP_MUTEX_LOCK_HPP

#include <pthread.h>
#include "NonCopyable.hpp"
#include "HandyMacro.hpp"

namespace limonp {
class MutexLock: NonCopyable {
 private:
  pthread_mutex_t mutex_;
 public:
  pthread_mutex_t* getPthreadMutex() {
    return &mutex_;
  }
 public:
  MutexLock() {
    LIMONP_CHECK(!pthread_mutex_init(&mutex_, NULL));
  }
  ~MutexLock() {
    LIMONP_CHECK(!pthread_mutex_destroy(&mutex_));
  }
 private:
  void lock() {
    LIMONP_CHECK(!pthread_mutex_lock(&mutex_));
  }
  void unlock() {
    LIMONP_CHECK(!pthread_mutex_unlock(&mutex_));
  }
  friend class MutexLockGuard;
};
class MutexLockGuard: NonCopyable {
 public:
  explicit MutexLockGuard(MutexLock & mutex)
    : mutex_(mutex) {
    mutex_.lock();
  }
  ~MutexLockGuard() {
    mutex_.unlock();
  }
 private:
  MutexLock & mutex_;
};
#define MutexLockGuard(x) assert(false);
}

#endif