1 | #include <stdbool.h> |
2 | #include <stdio.h> |
3 | #include <unistd.h> |
4 | |
5 | static struct |
6 | { |
7 | long int _P_val; |
8 | const char *name; |
9 | int _SC_val; |
10 | bool positive; |
11 | bool posix2; |
12 | } posix_options[] = |
13 | { |
14 | #define N_(name, pos) { _POSIX_##name, #name, _SC_##name, pos, false } |
15 | #define NP(name) N_ (name, true) |
16 | #define N(name) N_ (name, false) |
17 | #define N2(name) { _POSIX2_##name, #name, _SC_2_##name, false, true } |
18 | N (ADVISORY_INFO), |
19 | N (ASYNCHRONOUS_IO), |
20 | N (BARRIERS), |
21 | N (CLOCK_SELECTION), |
22 | N (CPUTIME), |
23 | N (FSYNC), |
24 | N (IPV6), |
25 | NP (JOB_CONTROL), |
26 | N (MAPPED_FILES), |
27 | N (MEMLOCK), |
28 | N (MEMLOCK_RANGE), |
29 | N (MEMORY_PROTECTION), |
30 | N (MESSAGE_PASSING), |
31 | N (MONOTONIC_CLOCK), |
32 | #ifdef _POSIX_PRIORITIZED_IO |
33 | N (PRIORITIZED_IO), |
34 | #endif |
35 | #ifdef _POSIX_PRIORITY_SCHEDULING |
36 | N (PRIORITY_SCHEDULING), |
37 | #endif |
38 | N (RAW_SOCKETS), |
39 | N (READER_WRITER_LOCKS), |
40 | N (REALTIME_SIGNALS), |
41 | NP (REGEXP), |
42 | NP (SAVED_IDS), |
43 | N (SEMAPHORES), |
44 | N (SHARED_MEMORY_OBJECTS), |
45 | NP (SHELL), |
46 | N (SPAWN), |
47 | N (SPIN_LOCKS), |
48 | N (SPORADIC_SERVER), |
49 | #ifdef _POSIX_SYNCHRONIZED_IO |
50 | N (SYNCHRONIZED_IO), |
51 | #endif |
52 | N (THREAD_ATTR_STACKADDR), |
53 | N (THREAD_ATTR_STACKSIZE), |
54 | N (THREAD_CPUTIME), |
55 | N (THREAD_PRIO_INHERIT), |
56 | N (THREAD_PRIO_PROTECT), |
57 | N (THREAD_PRIORITY_SCHEDULING), |
58 | N (THREAD_PROCESS_SHARED), |
59 | N (THREAD_SAFE_FUNCTIONS), |
60 | N (THREAD_SPORADIC_SERVER), |
61 | N (THREADS), |
62 | N (TIMEOUTS), |
63 | N (TIMERS), |
64 | N (TRACE), |
65 | N (TRACE_EVENT_FILTER), |
66 | N (TRACE_INHERIT), |
67 | N (TRACE_LOG), |
68 | N (TYPED_MEMORY_OBJECTS), |
69 | N2 (C_BIND), |
70 | N2 (C_DEV), |
71 | N2 (CHAR_TERM) |
72 | }; |
73 | #define nposix_options (sizeof (posix_options) / sizeof (posix_options[0])) |
74 | |
75 | static int |
76 | do_test (void) |
77 | { |
78 | int result = 0; |
79 | |
80 | for (int i = 0; i < nposix_options; ++i) |
81 | { |
82 | long int scret = sysconf (name: posix_options[i]._SC_val); |
83 | |
84 | if (scret == 0) |
85 | { |
86 | printf (format: "sysconf(_SC_%s%s) returned zero\n" , |
87 | posix_options[i].posix2 ? "2_" : "" , posix_options[i].name); |
88 | result = 1; |
89 | } |
90 | if (posix_options[i]._P_val != 0 && posix_options[i]._P_val != scret) |
91 | { |
92 | printf (format: "sysconf(_SC_%s%s) = %ld does not match _POSIX%s_%s = %ld\n" , |
93 | posix_options[i].posix2 ? "2_" : "" , posix_options[i].name, |
94 | scret, |
95 | posix_options[i].posix2 ? "2" : "" , posix_options[i].name, |
96 | posix_options[i]._P_val); |
97 | result = 1; |
98 | } |
99 | else if (posix_options[i].positive && scret < 0) |
100 | { |
101 | printf (format: "sysconf(_SC_%s%s) must be > 0\n" , |
102 | posix_options[i].posix2 ? "2_" : "" , posix_options[i].name); |
103 | result = 1; |
104 | } |
105 | |
106 | #define STDVER 200809L |
107 | if (scret > 0 && scret != STDVER && !posix_options[i].positive) |
108 | { |
109 | printf (format: "sysconf(_SC_%s%s) must be %ldL\n" , |
110 | posix_options[i].posix2 ? "2_" : "" , posix_options[i].name, |
111 | STDVER); |
112 | result = 1; |
113 | } |
114 | } |
115 | |
116 | return result; |
117 | } |
118 | |
119 | #define TEST_FUNCTION do_test () |
120 | #include "../test-skeleton.c" |
121 | |