ceph/src/boost/libs/thread/include/boost/thread/pthread/pthread_mutex_scoped_lock.hpp

   1 #ifndef BOOST_PTHREAD_MUTEX_SCOPED_LOCK_HPP
   2 #define BOOST_PTHREAD_MUTEX_SCOPED_LOCK_HPP
   3 //  (C) Copyright 2007-8 Anthony Williams
   4 //
   5 //  Distributed under the Boost Software License, Version 1.0. (See
   6 //  accompanying file LICENSE_1_0.txt or copy at
   7 //  http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #include <pthread.h>
  10 #include <boost/assert.hpp>
  11
  12 #include <boost/config/abi_prefix.hpp>
  13
  14 namespace boost
  15 {
  16     namespace pthread
  17     {
  18         class pthread_mutex_scoped_lock
  19         {
  20             pthread_mutex_t* m;
  21             bool locked;
  22         public:
  23             explicit pthread_mutex_scoped_lock(pthread_mutex_t* m_):
  24                 m(m_),locked(true)
  25             {
  26                 BOOST_VERIFY(!pthread_mutex_lock(m));
  27             }
  28             void unlock()
  29             {
  30                 BOOST_VERIFY(!pthread_mutex_unlock(m));
  31                 locked=false;
  32             }
  33
  34             ~pthread_mutex_scoped_lock()
  35             {
  36                 if(locked)
  37                 {
  38                     unlock();
  39                 }
  40             }
  41
  42         };
  43
  44         class pthread_mutex_scoped_unlock
  45         {
  46             pthread_mutex_t* m;
  47         public:
  48             explicit pthread_mutex_scoped_unlock(pthread_mutex_t* m_):
  49                 m(m_)
  50             {
  51                 BOOST_VERIFY(!pthread_mutex_unlock(m));
  52             }
  53             ~pthread_mutex_scoped_unlock()
  54             {
  55                 BOOST_VERIFY(!pthread_mutex_lock(m));
  56             }
  57
  58         };
  59     }
  60 }
  61
  62 #include <boost/config/abi_suffix.hpp>
  63
  64 #endif