////////////////////////////////////////////////////////////////////////////// // // (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_PERMISSIONS_HPP #define BOOST_INTERPROCESS_PERMISSIONS_HPP #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED) #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> #include <boost/interprocess/interprocess_fwd.hpp> #if defined(BOOST_INTERPROCESS_WINDOWS) #include <boost/interprocess/detail/win32_api.hpp> #endif #endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED //!\file //!Describes permissions class namespace boost { namespace interprocess { #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED) #if defined(BOOST_INTERPROCESS_WINDOWS) namespace ipcdetail { template <int Dummy> struct unrestricted_permissions_holder { static winapi::interprocess_all_access_security unrestricted; }; template<int Dummy> winapi::interprocess_all_access_security unrestricted_permissions_holder<Dummy>::unrestricted; } //namespace ipcdetail { #endif //defined BOOST_INTERPROCESS_WINDOWS #endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED //!The permissions class represents permissions to be set to shared memory or //!files, that can be constructed form usual permission representations: //!a SECURITY_ATTRIBUTES pointer in windows or ORed rwx chmod integer in UNIX. class permissions { #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED) #if defined(BOOST_INTERPROCESS_WINDOWS) typedef void* os_permissions_type; #else typedef int os_permissions_type; #endif os_permissions_type m_perm; #endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED public: //!Constructs a permissions object from a user provided os-dependent //!permissions. permissions(os_permissions_type type) : m_perm(type) {} //!Constructs a default permissions object: //!A null security attributes pointer for windows or 0644 //!for UNIX. permissions() { set_default(); } //!Sets permissions to default values: //!A null security attributes pointer for windows or 0644 //!for UNIX. void set_default() { #if defined (BOOST_INTERPROCESS_WINDOWS) m_perm = 0; #else m_perm = 0644; #endif } //!Sets permissions to unrestricted access: //!A null DACL for windows or 0666 for UNIX. void set_unrestricted() { #if defined (BOOST_INTERPROCESS_WINDOWS) m_perm = &ipcdetail::unrestricted_permissions_holder<0>::unrestricted; #else m_perm = 0666; #endif } //!Sets permissions from a user provided os-dependent //!permissions. void set_permissions(os_permissions_type perm) { m_perm = perm; } //!Returns stored os-dependent //!permissions os_permissions_type get_permissions() const { return m_perm; } }; } //namespace interprocess { } //namespace boost { #include <boost/interprocess/detail/config_end.hpp> #endif //BOOST_INTERPROCESS_PERMISSIONS_HPP