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#include <errno.h>
#include <semaphore.h>
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>
#include <internaltypes.h>
#include <support/check.h>
/* A bogus clock value that tells run_test to use sem_timedwait rather than
sem_clockwait. */
#define CLOCK_USE_TIMEDWAIT (-1)
typedef int (*waitfn_t)(sem_t *, struct timespec *);
static void
do_test_wait (waitfn_t waitfn, const char *fnname)
{
union
{
sem_t s;
struct new_sem ns;
} u;
printf ("do_test_wait: %s\n", fnname);
TEST_COMPARE (sem_init (&u.s, 0, 0), 0);
struct timespec ts = { 0, 1000000001 }; /* Invalid. */
errno = 0;
TEST_VERIFY_EXIT (waitfn (&u.s, &ts) < 0);
TEST_COMPARE (errno, EINVAL);
#if __HAVE_64B_ATOMICS
unsigned int nwaiters = (u.ns.data >> SEM_NWAITERS_SHIFT);
#else
unsigned int nwaiters = u.ns.nwaiters;
#endif
TEST_COMPARE (nwaiters, 0);
ts.tv_sec = /* Invalid. */ -2;
ts.tv_nsec = 0;
errno = 0;
TEST_VERIFY_EXIT (waitfn (&u.s, &ts) < 0);
TEST_COMPARE (errno, ETIMEDOUT);
#if __HAVE_64B_ATOMICS
nwaiters = (u.ns.data >> SEM_NWAITERS_SHIFT);
#else
nwaiters = u.ns.nwaiters;
#endif
TEST_COMPARE (nwaiters, 0);
}
int test_sem_timedwait (sem_t *sem, struct timespec *ts)
{
return sem_timedwait (sem, ts);
}
int test_sem_clockwait_monotonic (sem_t *sem, struct timespec *ts)
{
return sem_clockwait (sem, CLOCK_MONOTONIC, ts);
}
int test_sem_clockwait_realtime (sem_t *sem, struct timespec *ts)
{
return sem_clockwait (sem, CLOCK_REALTIME, ts);
}
static int do_test (void)
{
do_test_wait (&test_sem_timedwait,
"sem_timedwait");
do_test_wait (&test_sem_clockwait_monotonic,
"sem_clockwait(monotonic)");
do_test_wait (&test_sem_clockwait_realtime,
"sem_clockwait(realtime)");
return 0;
}
#include <support/test-driver.c>
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