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