Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: //
Chris@16: // (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost
Chris@16: // Software License, Version 1.0. (See accompanying file
Chris@16: // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/interprocess for documentation.
Chris@16: //
Chris@16: //////////////////////////////////////////////////////////////////////////////
Chris@16: 
Chris@16: #ifndef BOOST_INTERPROCESS_PERMISSIONS_HPP
Chris@16: #define BOOST_INTERPROCESS_PERMISSIONS_HPP
Chris@16: 
Chris@101: #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
Chris@16: 
Chris@101: #ifndef BOOST_CONFIG_HPP
Chris@101: #  include <boost/config.hpp>
Chris@101: #endif
Chris@101: #
Chris@101: #if defined(BOOST_HAS_PRAGMA_ONCE)
Chris@16: #  pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/interprocess/detail/config_begin.hpp>
Chris@16: #include <boost/interprocess/detail/workaround.hpp>
Chris@16: #include <boost/interprocess/interprocess_fwd.hpp>
Chris@16: 
Chris@16: #if defined(BOOST_INTERPROCESS_WINDOWS)
Chris@16: 
Chris@16: #include <boost/interprocess/detail/win32_api.hpp>
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@101: #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
Chris@16: 
Chris@16: //!\file
Chris@16: //!Describes permissions class
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace interprocess {
Chris@16: 
Chris@101: #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
Chris@16: 
Chris@16: #if defined(BOOST_INTERPROCESS_WINDOWS)
Chris@16: 
Chris@16: namespace ipcdetail {
Chris@16: 
Chris@16: template <int Dummy>
Chris@16: struct unrestricted_permissions_holder
Chris@16: {
Chris@16:    static winapi::interprocess_all_access_security unrestricted;
Chris@16: };
Chris@16: 
Chris@16: template<int Dummy>
Chris@16: winapi::interprocess_all_access_security unrestricted_permissions_holder<Dummy>::unrestricted;
Chris@16: 
Chris@16: }  //namespace ipcdetail {
Chris@16: 
Chris@16: #endif   //defined BOOST_INTERPROCESS_WINDOWS
Chris@16: 
Chris@101: #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
Chris@16: 
Chris@16: //!The permissions class represents permissions to be set to shared memory or
Chris@16: //!files, that can be constructed form usual permission representations:
Chris@16: //!a SECURITY_ATTRIBUTES pointer in windows or ORed rwx chmod integer in UNIX.
Chris@16: class permissions
Chris@16: {
Chris@101:    #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
Chris@16: 
Chris@16:    #if defined(BOOST_INTERPROCESS_WINDOWS)
Chris@16:    typedef void*  os_permissions_type;
Chris@16:    #else
Chris@16:    typedef int    os_permissions_type;
Chris@16:    #endif
Chris@16:    os_permissions_type  m_perm;
Chris@16: 
Chris@101:    #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
Chris@16: 
Chris@16:    public:
Chris@16:    //!Constructs a permissions object from a user provided os-dependent
Chris@16:    //!permissions.
Chris@16:    permissions(os_permissions_type type)
Chris@16:       : m_perm(type)
Chris@16:    {}
Chris@16: 
Chris@16:    //!Constructs a default permissions object:
Chris@16:    //!A null security attributes pointer for windows or 0644
Chris@16:    //!for UNIX.
Chris@16:    permissions()
Chris@16:    {  set_default(); }
Chris@16: 
Chris@16:    //!Sets permissions to default values:
Chris@16:    //!A null security attributes pointer for windows or 0644
Chris@16:    //!for UNIX.
Chris@16:    void set_default()
Chris@16:    {
Chris@16:       #if defined (BOOST_INTERPROCESS_WINDOWS)
Chris@16:       m_perm = 0;
Chris@16:       #else
Chris@16:       m_perm = 0644;
Chris@16:       #endif
Chris@16:    }
Chris@16: 
Chris@16:    //!Sets permissions to unrestricted access:
Chris@16:    //!A null DACL for windows or 0666 for UNIX.
Chris@16:    void set_unrestricted()
Chris@16:    {
Chris@16:       #if defined (BOOST_INTERPROCESS_WINDOWS)
Chris@16:       m_perm = &ipcdetail::unrestricted_permissions_holder<0>::unrestricted;
Chris@16:       #else
Chris@16:       m_perm = 0666;
Chris@16:       #endif
Chris@16:    }
Chris@16: 
Chris@16:    //!Sets permissions from a user provided os-dependent
Chris@16:    //!permissions.
Chris@16:    void set_permissions(os_permissions_type perm)
Chris@16:    {  m_perm = perm; }
Chris@16: 
Chris@16:    //!Returns stored os-dependent
Chris@16:    //!permissions
Chris@16:    os_permissions_type get_permissions() const
Chris@16:    {  return m_perm; }
Chris@16: };
Chris@16: 
Chris@16: }  //namespace interprocess {
Chris@16: }  //namespace boost {
Chris@16: 
Chris@16: #include <boost/interprocess/detail/config_end.hpp>
Chris@16: 
Chris@16: #endif   //BOOST_INTERPROCESS_PERMISSIONS_HPP
Chris@16: