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/* Test setting the monotonic clock. */
#include <time.h>
#include <unistd.h>
#if defined CLOCK_MONOTONIC && defined _POSIX_MONOTONIC_CLOCK
# include <errno.h>
# include <stdio.h>
static int
do_test (void)
{
if (sysconf (_SC_MONOTONIC_CLOCK) <= 0)
return 0;
struct timespec ts;
if (clock_gettime (CLOCK_MONOTONIC, &ts) != 0)
{
puts ("clock_gettime(CLOCK_MONOTONIC) failed");
return 1;
}
/* Setting the monotonic clock must fail. */
if (clock_settime (CLOCK_MONOTONIC, &ts) != -1)
{
puts ("clock_settime(CLOCK_MONOTONIC) did not fail");
return 1;
}
if (errno != EINVAL)
{
printf ("clock_settime(CLOCK_MONOTONIC) set errno to %d, expected %d\n",
errno, EINVAL);
return 1;
}
return 0;
}
# define TEST_FUNCTION do_test ()
#else
# define TEST_FUNCTION 0
#endif
#include "../test-skeleton.c"
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