glibc/posix/tst-sysconf.c

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#include <stdbool.h>
#include <stdio.h>
#include <unistd.h>
static struct
{
long int _P_val;
const char *name;
int _SC_val;
bool positive;
bool posix2;
} posix_options[] =
{
#define N_(name, pos) { _POSIX_##name, #name, _SC_##name, pos, false }
#define NP(name) N_ (name, true)
#define N(name) N_ (name, false)
#define N2(name) { _POSIX2_##name, #name, _SC_2_##name, false, true }
N (ADVISORY_INFO),
N (ASYNCHRONOUS_IO),
N (BARRIERS),
N (CLOCK_SELECTION),
N (CPUTIME),
N (FSYNC),
N (IPV6),
NP (JOB_CONTROL),
N (MAPPED_FILES),
N (MEMLOCK),
N (MEMLOCK_RANGE),
N (MEMORY_PROTECTION),
N (MESSAGE_PASSING),
N (MONOTONIC_CLOCK),
N (PRIORITIZED_IO),
N (PRIORITY_SCHEDULING),
N (RAW_SOCKETS),
N (READER_WRITER_LOCKS),
N (REALTIME_SIGNALS),
NP (REGEXP),
NP (SAVED_IDS),
N (SEMAPHORES),
N (SHARED_MEMORY_OBJECTS),
NP (SHELL),
N (SPAWN),
N (SPIN_LOCKS),
N (SPORADIC_SERVER),
N (SYNCHRONIZED_IO),
N (THREAD_ATTR_STACKADDR),
N (THREAD_ATTR_STACKSIZE),
N (THREAD_CPUTIME),
N (THREAD_PRIO_INHERIT),
N (THREAD_PRIO_PROTECT),
N (THREAD_PRIORITY_SCHEDULING),
N (THREAD_PROCESS_SHARED),
N (THREAD_SAFE_FUNCTIONS),
N (THREAD_SPORADIC_SERVER),
N (THREADS),
N (TIMEOUTS),
N (TIMERS),
N (TRACE),
N (TRACE_EVENT_FILTER),
N (TRACE_INHERIT),
N (TRACE_LOG),
N (TYPED_MEMORY_OBJECTS),
N2 (C_BIND),
N2 (C_DEV),
N2 (CHAR_TERM)
};
#define nposix_options (sizeof (posix_options) / sizeof (posix_options[0]))
static int
do_test (void)
{
int result = 0;
for (int i = 0; i < nposix_options; ++i)
{
long int scret = sysconf (posix_options[i]._SC_val);
if (scret == 0)
{
printf ("sysconf(_SC_%s%s) returned zero\n",
posix_options[i].posix2 ? "2_" : "", posix_options[i].name);
result = 1;
}
if (posix_options[i]._P_val != 0 && posix_options[i]._P_val != scret)
{
printf ("sysconf(_SC_%s%s) = %ld does not match _POSIX%s_%s = %ld\n",
posix_options[i].posix2 ? "2_" : "", posix_options[i].name,
scret,
posix_options[i].posix2 ? "2" : "", posix_options[i].name,
posix_options[i]._P_val);
result = 1;
}
else if (posix_options[i].positive && scret < 0)
{
printf ("sysconf(_SC_%s%s) must be > 0\n",
posix_options[i].posix2 ? "2_" : "", posix_options[i].name);
result = 1;
}
#define STDVER 200809L
if (scret > 0 && scret != STDVER && !posix_options[i].positive)
{
printf ("sysconf(_SC_%s%s) must be %ldL\n",
posix_options[i].posix2 ? "2_" : "", posix_options[i].name,
STDVER);
result = 1;
}
}
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"