ceph/src/boost/boost/interprocess/sync/posix/named_mutex.hpp

   1 //////////////////////////////////////////////////////////////////////////////
   2 //
   3 // (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost
   4 // Software License, Version 1.0. (See accompanying file
   5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // See http://www.boost.org/libs/interprocess for documentation.
   8 //
   9 //////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef BOOST_INTERPROCESS_POSIX_NAMED_MUTEX_HPP
  12 #define BOOST_INTERPROCESS_POSIX_NAMED_MUTEX_HPP
  13
  14 #ifndef BOOST_CONFIG_HPP
  15 #  include <boost/config.hpp>
  16 #endif
  17 #
  18 #if defined(BOOST_HAS_PRAGMA_ONCE)
  19 #  pragma once
  20 #endif
  21
  22 #include <boost/interprocess/detail/config_begin.hpp>
  23 #include <boost/interprocess/detail/workaround.hpp>
  24 #include <boost/interprocess/creation_tags.hpp>
  25 #include <boost/interprocess/exceptions.hpp>
  26 #include <boost/interprocess/detail/interprocess_tester.hpp>
  27 #include <boost/interprocess/permissions.hpp>
  28
  29 #include <boost/interprocess/sync/posix/named_semaphore.hpp>
  30
  31 namespace boost {
  32 namespace interprocess {
  33 namespace ipcdetail {
  34
  35 class named_condition;
  36
  37 class posix_named_mutex
  38 {
  39    #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
  40
  41    posix_named_mutex();
  42    posix_named_mutex(const posix_named_mutex &);
  43    posix_named_mutex &operator=(const posix_named_mutex &);
  44    friend class named_condition;
  45    #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
  46
  47    public:
  48    posix_named_mutex(create_only_t create_only, const char *name, const permissions &perm = permissions());
  49
  50    posix_named_mutex(open_or_create_t open_or_create, const char *name, const permissions &perm = permissions());
  51
  52    posix_named_mutex(open_only_t open_only, const char *name);
  53
  54    ~posix_named_mutex();
  55
  56    void unlock();
  57    void lock();
  58    bool try_lock();
  59    bool timed_lock(const boost::posix_time::ptime &abs_time);
  60    static bool remove(const char *name);
  61
  62    #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
  63    private:
  64    friend class interprocess_tester;
  65    void dont_close_on_destruction();
  66
  67    posix_named_semaphore m_sem;
  68    #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
  69 };
  70
  71 #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
  72
  73 inline posix_named_mutex::posix_named_mutex(create_only_t, const char *name, const permissions &perm)
  74    :  m_sem(create_only, name, 1, perm)
  75 {}
  76
  77 inline posix_named_mutex::posix_named_mutex(open_or_create_t, const char *name, const permissions &perm)
  78    :  m_sem(open_or_create, name, 1, perm)
  79 {}
  80
  81 inline posix_named_mutex::posix_named_mutex(open_only_t, const char *name)
  82    :  m_sem(open_only, name)
  83 {}
  84
  85 inline void posix_named_mutex::dont_close_on_destruction()
  86 {  interprocess_tester::dont_close_on_destruction(m_sem);  }
  87
  88 inline posix_named_mutex::~posix_named_mutex()
  89 {}
  90
  91 inline void posix_named_mutex::lock()
  92 {  m_sem.wait();  }
  93
  94 inline void posix_named_mutex::unlock()
  95 {  m_sem.post();  }
  96
  97 inline bool posix_named_mutex::try_lock()
  98 {  return m_sem.try_wait();  }
  99
 100 inline bool posix_named_mutex::timed_lock(const boost::posix_time::ptime &abs_time)
 101 {  return m_sem.timed_wait(abs_time);  }
 102
 103 inline bool posix_named_mutex::remove(const char *name)
 104 {  return posix_named_semaphore::remove(name);   }
 105
 106 #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
 107
 108 }  //namespace ipcdetail {
 109 }  //namespace interprocess {
 110 }  //namespace boost {
 111
 112 #include <boost/interprocess/detail/config_end.hpp>
 113
 114 #endif   //BOOST_INTERPROCESS_POSIX_NAMED_MUTEX_HPP