1 // POSIX-specific implementation details of system_error_category
2 //
3 // Copyright 2018 Peter Dimov
4 //
5 // Distributed under the Boost Software License, Version 1.0. (See accompanying
6 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 //
8 // See library home page at http://www.boost.org/libs/system
9
10 namespace boost
11 {
12
13 namespace system
14 {
15
16 namespace detail
17 {
18
is_generic_value(int ev)19 inline bool is_generic_value( int ev ) BOOST_NOEXCEPT
20 {
21 using namespace errc;
22
23 static int const gen[] =
24 {
25 success,
26 address_family_not_supported,
27 address_in_use,
28 address_not_available,
29 already_connected,
30 argument_list_too_long,
31 argument_out_of_domain,
32 bad_address,
33 bad_file_descriptor,
34 bad_message,
35 broken_pipe,
36 connection_aborted,
37 connection_already_in_progress,
38 connection_refused,
39 connection_reset,
40 cross_device_link,
41 destination_address_required,
42 device_or_resource_busy,
43 directory_not_empty,
44 executable_format_error,
45 file_exists,
46 file_too_large,
47 filename_too_long,
48 function_not_supported,
49 host_unreachable,
50 identifier_removed,
51 illegal_byte_sequence,
52 inappropriate_io_control_operation,
53 interrupted,
54 invalid_argument,
55 invalid_seek,
56 io_error,
57 is_a_directory,
58 message_size,
59 network_down,
60 network_reset,
61 network_unreachable,
62 no_buffer_space,
63 no_child_process,
64 no_link,
65 no_lock_available,
66 no_message_available,
67 no_message,
68 no_protocol_option,
69 no_space_on_device,
70 no_stream_resources,
71 no_such_device_or_address,
72 no_such_device,
73 no_such_file_or_directory,
74 no_such_process,
75 not_a_directory,
76 not_a_socket,
77 not_a_stream,
78 not_connected,
79 not_enough_memory,
80 not_supported,
81 operation_canceled,
82 operation_in_progress,
83 operation_not_permitted,
84 operation_not_supported,
85 operation_would_block,
86 owner_dead,
87 permission_denied,
88 protocol_error,
89 protocol_not_supported,
90 read_only_file_system,
91 resource_deadlock_would_occur,
92 resource_unavailable_try_again,
93 result_out_of_range,
94 state_not_recoverable,
95 stream_timeout,
96 text_file_busy,
97 timed_out,
98 too_many_files_open_in_system,
99 too_many_files_open,
100 too_many_links,
101 too_many_symbolic_link_levels,
102 value_too_large,
103 wrong_protocol_type
104 };
105
106 int const n = sizeof( gen ) / sizeof( gen[0] );
107
108 for( int i = 0; i < n; ++i )
109 {
110 if( ev == gen[ i ] ) return true;
111 }
112
113 return false;
114 }
115
system_category_default_error_condition_posix(int ev)116 inline error_condition system_category_default_error_condition_posix( int ev ) BOOST_NOEXCEPT
117 {
118 if( is_generic_value( ev ) )
119 {
120 return error_condition( ev, generic_category() );
121 }
122 else
123 {
124 return error_condition( ev, system_category() );
125 }
126 }
127
128 } // namespace detail
129
130 } // namespace system
131
132 } // namespace boost
133