x
Yes
No
Do you want to visit DriveHQ English website?
Inicio
Características
Precios
Prueba gratuita
Software cliente
Acerca de nosotros
Servidor de archivos
|
Solución de copias de seguridad
|
Servidor FTP
|
Servidor de correo electrónico
|
Alojamiento web
|
Software cliente
Servidor de archivos
Solución de copia de seguridad
Servidor FTP
Servidor de correo electrónico
Alojamiento web
Software cliente
sp_counted_base_pt.hpp - Hosted on DriveHQ Cloud IT Platform
Arriba
Subir
Descargar
Compartir
Publicar
Nueva carpeta
Nuevo archivo
Copiar
Cortar
Eliminar
Pegar
Clasificación
Actualizar
Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\detail\sp_counted_base_pt.hpp
Girar
Efecto
Propiedad
Historial
#ifndef BOOST_DETAIL_SP_COUNTED_BASE_PT_HPP_INCLUDED #define BOOST_DETAIL_SP_COUNTED_BASE_PT_HPP_INCLUDED // MS compatible compilers support #pragma once #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once #endif // // detail/sp_counted_base_pt.hpp // // Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd. // Copyright 2004-2005 Peter Dimov // // 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) // #include "sp_typeinfo.hpp" #include
namespace boost { namespace detail { class sp_counted_base { private: sp_counted_base( sp_counted_base const & ); sp_counted_base & operator= ( sp_counted_base const & ); long use_count_; // #shared long weak_count_; // #weak + (#shared != 0) mutable pthread_mutex_t m_; public: sp_counted_base(): use_count_( 1 ), weak_count_( 1 ) { // HPUX 10.20 / DCE has a nonstandard pthread_mutex_init #if defined(__hpux) && defined(_DECTHREADS_) pthread_mutex_init( &m_, pthread_mutexattr_default ); #else pthread_mutex_init( &m_, 0 ); #endif } virtual ~sp_counted_base() // nothrow { pthread_mutex_destroy( &m_ ); } // dispose() is called when use_count_ drops to zero, to release // the resources managed by *this. virtual void dispose() = 0; // nothrow // destroy() is called when weak_count_ drops to zero. virtual void destroy() // nothrow { delete this; } virtual void * get_deleter( sp_typeinfo const & ti ) = 0; void add_ref_copy() { pthread_mutex_lock( &m_ ); ++use_count_; pthread_mutex_unlock( &m_ ); } bool add_ref_lock() // true on success { pthread_mutex_lock( &m_ ); bool r = use_count_ == 0? false: ( ++use_count_, true ); pthread_mutex_unlock( &m_ ); return r; } void release() // nothrow { pthread_mutex_lock( &m_ ); long new_use_count = --use_count_; pthread_mutex_unlock( &m_ ); if( new_use_count == 0 ) { dispose(); weak_release(); } } void weak_add_ref() // nothrow { pthread_mutex_lock( &m_ ); ++weak_count_; pthread_mutex_unlock( &m_ ); } void weak_release() // nothrow { pthread_mutex_lock( &m_ ); long new_weak_count = --weak_count_; pthread_mutex_unlock( &m_ ); if( new_weak_count == 0 ) { destroy(); } } long use_count() const // nothrow { pthread_mutex_lock( &m_ ); long r = use_count_; pthread_mutex_unlock( &m_ ); return r; } }; } // namespace detail } // namespace boost #endif // #ifndef BOOST_DETAIL_SP_COUNTED_BASE_PT_HPP_INCLUDED
sp_counted_base_pt.hpp
Dirección de la página
Dirección del archivo
Anterior
53/61
Siguiente
Descargar
( 2 KB )
Comments
Total ratings:
0
Average rating:
No clasificado
of 10
Would you like to comment?
Join now
, or
Logon
if you are already a member.