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Diffstat (limited to 'src/third_party/boost-1.60.0/boost/interprocess/permissions.hpp')
-rw-r--r-- | src/third_party/boost-1.60.0/boost/interprocess/permissions.hpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/third_party/boost-1.60.0/boost/interprocess/permissions.hpp b/src/third_party/boost-1.60.0/boost/interprocess/permissions.hpp new file mode 100644 index 00000000000..87fea28be79 --- /dev/null +++ b/src/third_party/boost-1.60.0/boost/interprocess/permissions.hpp @@ -0,0 +1,132 @@ +////////////////////////////////////////////////////////////////////////////// +// +// (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 + |