64 lines
2.0 KiB
Plaintext
64 lines
2.0 KiB
Plaintext
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost
|
||
|
|
// Software License, Version 1.0. (See accompanying file
|
||
|
|
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
//
|
||
|
|
// See http://www.boost.org/libs/interprocess for documentation.
|
||
|
|
//
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#ifndef BOOST_INTERPROCESS_LOCK_OPTIONS_HPP
|
||
|
|
#define BOOST_INTERPROCESS_LOCK_OPTIONS_HPP
|
||
|
|
|
||
|
|
#ifndef BOOST_CONFIG_HPP
|
||
|
|
# include <boost/config.hpp>
|
||
|
|
#endif
|
||
|
|
#
|
||
|
|
#if defined(BOOST_HAS_PRAGMA_ONCE)
|
||
|
|
# pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <boost/interprocess/detail/config_begin.hpp>
|
||
|
|
#include <boost/interprocess/detail/workaround.hpp>
|
||
|
|
|
||
|
|
//!\file
|
||
|
|
//!Describes the lock options with associated with interprocess_mutex lock constructors.
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
|
||
|
|
#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
|
||
|
|
|
||
|
|
namespace posix_time
|
||
|
|
{ class ptime; }
|
||
|
|
|
||
|
|
#endif //#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
|
||
|
|
|
||
|
|
namespace interprocess {
|
||
|
|
|
||
|
|
//!Type to indicate to a mutex lock constructor that must not lock the mutex.
|
||
|
|
struct defer_lock_type{};
|
||
|
|
//!Type to indicate to a mutex lock constructor that must try to lock the mutex.
|
||
|
|
struct try_to_lock_type {};
|
||
|
|
//!Type to indicate to a mutex lock constructor that the mutex is already locked.
|
||
|
|
struct accept_ownership_type{};
|
||
|
|
|
||
|
|
//!An object indicating that the locking
|
||
|
|
//!must be deferred.
|
||
|
|
static const defer_lock_type defer_lock = defer_lock_type();
|
||
|
|
|
||
|
|
//!An object indicating that a try_lock()
|
||
|
|
//!operation must be executed.
|
||
|
|
static const try_to_lock_type try_to_lock = try_to_lock_type();
|
||
|
|
|
||
|
|
//!An object indicating that the ownership of lockable
|
||
|
|
//!object must be accepted by the new owner.
|
||
|
|
static const accept_ownership_type accept_ownership = accept_ownership_type();
|
||
|
|
|
||
|
|
} // namespace interprocess {
|
||
|
|
} // namespace boost{
|
||
|
|
|
||
|
|
#include <boost/interprocess/detail/config_end.hpp>
|
||
|
|
|
||
|
|
#endif // BOOST_INTERPROCESS_LOCK_OPTIONS_HPP
|