Add separate headers for system-specific enums, thus reducing coupling. Suggested by Emil Dotchevski.

[SVN r41033]
2025-11-16 07:29:23 +01:00 · 2007-11-12 15:22:24 +00:00
parent 8d33f005b0
commit 04a62ca2b1
7 changed files with 388 additions and 231 deletions
--- a/include/boost/system/linux_error.hpp
+++ b/include/boost/system/linux_error.hpp
@@ -0,0 +1,110 @@
+//  boost/system/linux_error.hpp  -------------------------------------------//
+
+//  Copyright Beman Dawes 2007
+
+//  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 library home page at http://www.boost.org/libs/system
+
+#ifndef BOOST_LINUX_ERROR_HPP
+#define BOOST_LINUX_ERROR_HPP
+
+//  This header is effectively empty for compiles on operating systems where
+//  it is not applicable.
+
+#if defined(linux) || defined(__linux) || defined(__linux__)
+
+#include <boost/system/error_code.hpp>
+
+namespace boost
+{
+  namespace system
+  {
+    //  To construct an error_code after a API error:
+    //
+    //      error_code( errno, system_category )
+
+    //  User code should use the portable "posix" enums for POSIX errors; this
+    //  allows such code to be portable to non-POSIX systems. For the non-POSIX
+    //  errno values that POSIX-based systems typically provide in addition to 
+    //  POSIX values, use the system specific enums below.
+
+    namespace linux_error
+    {
+      enum linux_errno
+      {
+        advertise_error = EADV,
+        bad_exchange = EBADE,
+        bad_file_number = EBADFD,
+        bad_font_format = EBFONT,
+        bad_request_code = EBADRQC,
+        bad_request_descriptor = EBADR,
+        bad_slot = EBADSLT,
+        channel_range = ECHRNG,
+        communication_error = ECOMM,
+        dot_dot_error = EDOTDOT,
+        exchange_full = EXFULL,
+        host_down = EHOSTDOWN,
+        is_named_file_type= EISNAM,
+        key_expired = EKEYEXPIRED,
+        key_rejected = EKEYREJECTED,
+        key_revoked = EKEYREVOKED,
+        level2_halt= EL2HLT,
+        level2_no_syncronized= EL2NSYNC,
+        level3_halt = EL3HLT,
+        level3_reset = EL3RST,
+        link_range = ELNRNG,
+        medium_type = EMEDIUMTYPE,
+        no_anode= ENOANO,
+        no_block_device = ENOTBLK,
+        no_csi = ENOCSI,
+        no_key = ENOKEY,
+        no_medium = ENOMEDIUM,
+        no_network = ENONET,
+        no_package = ENOPKG,
+        not_avail = ENAVAIL,
+        not_named_file_type= ENOTNAM,
+        not_recoverable = ENOTRECOVERABLE,
+        not_unique = ENOTUNIQ,
+        owner_dead = EOWNERDEAD,
+        protocol_no_supported = EPFNOSUPPORT,
+        remote_address_changed = EREMCHG,
+        remote_io_error = EREMOTEIO,
+        remote_object = EREMOTE,
+        restart_needed = ERESTART,
+        shared_library_access = ELIBACC,
+        shared_library_bad = ELIBBAD,
+        shared_library_execute = ELIBEXEC,
+        shared_library_max_ = ELIBMAX,
+        shared_library_section= ELIBSCN,
+        shutdown = ESHUTDOWN,
+        socket_type_not_supported = ESOCKTNOSUPPORT,
+        srmount_error = ESRMNT,
+        stream_pipe_error = ESTRPIPE,
+        too_many_references = ETOOMANYREFS,
+        too_many_users = EUSERS,
+        unattached = EUNATCH,
+        unclean = EUCLEAN
+      };
+    }  // namespace linux_error
+
+# ifndef BOOST_SYSTEM_NO_DEPRECATED
+    namespace Linux = linux_error;
+# endif
+
+    template<> struct is_error_code_enum<linux_error::linux_errno>
+      { static const bool value = true; };
+
+    namespace linux_error
+    {
+      inline error_code make_error_code( linux_errno e )
+        { return error_code( e, system_category ); }
+    }
+
+  }  // namespace system
+}  // namespace boost 
+
+#endif  // Linux
+
+#endif  // BOOST_LINUX_ERROR_HPP