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Viewing changes to src/ext/boost/smart_ptr/detail/spinlock_pt.hpp

  • Committer: Package Import Robot
  • Author(s): Fathi Boudra
  • Date: 2012-08-11 09:33:38 UTC
  • mfrom: (1.1.5)
  • Revision ID: package-import@ubuntu.com-20120811093338-fgrx41ftqew3qt6a
Tags: 2.3.3.4-1
http://bugs.debian.org/661703
* New upstream release (Closes: #661703).
* Convert package to multiarch.
* Drop obsolete patches:
  - 01_add_missing_include_bug505667.diff
  - 02_posixness_fix_bug530308.diff
* Add patches:
  - Fixing_ZLIB_configuration_in_shared_CMakeLists.patch
  - Fix-pkgconfig-file-by-adding-clucene-shared-library.patch
  - Install-contribs-lib.patch
  - multiarch.patch
* Update debian/compat: bump to 8.
* Update debian/control:
  - update build dependencies (add cmake, libboost-dev and libz-dev).
  - bump Standards-Version to 3.9.3.
  - rename packages due to ABI bump: libclucene0ldbl -> libclucene-core1.
  - add libclucene-contribs1 package.
* Update debian/rules:
  - rewrite to use CMake.
  - add multiarch support.

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src/ext/boost/smart_ptr/detail/spinlock_pt.hpp
 
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#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED
 
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#define BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED
 
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// MS compatible compilers support #pragma once
 
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
 
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# pragma once
 
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#endif
 
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//
 
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//  Copyright (c) 2008 Peter Dimov
 
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//
 
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//  Distributed under the Boost Software License, Version 1.0.
 
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//  See accompanying file LICENSE_1_0.txt or copy at
 
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//  http://www.boost.org/LICENSE_1_0.txt)
 
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//
 
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#include <pthread.h>
 
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namespace boost
 
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{
 
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namespace detail
 
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{
 
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class spinlock
 
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{
 
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public:
 
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    pthread_mutex_t v_;
 
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public:
 
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    bool try_lock()
 
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    {
 
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        return pthread_mutex_trylock( &v_ ) == 0;
 
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    }
 
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    void lock()
 
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    {
 
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        pthread_mutex_lock( &v_ );
 
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    }
 
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    void unlock()
 
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    {
 
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        pthread_mutex_unlock( &v_ );
 
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    }
 
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public:
 
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    class scoped_lock
 
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    {
 
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    private:
 
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        spinlock & sp_;
 
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        scoped_lock( scoped_lock const & );
 
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        scoped_lock & operator=( scoped_lock const & );
 
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    public:
 
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        explicit scoped_lock( spinlock & sp ): sp_( sp )
 
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        {
 
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            sp.lock();
 
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        }
 
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        ~scoped_lock()
 
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        {
 
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            sp_.unlock();
 
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        }
 
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    };
 
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};
 
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} // namespace detail
 
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} // namespace boost
 
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#define BOOST_DETAIL_SPINLOCK_INIT { PTHREAD_MUTEX_INITIALIZER }
 
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#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_PT_HPP_INCLUDED