/* 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"