--- /dev/null
+/* Test 69. clock_getres(), clock_gettime(). */
+
+#include <time.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+
+#define TRIALS 100
+#define MAX_ERROR 4
+#define DEBUG 0
+
+int subtest = 1;
+
+#include "common.c"
+
+int main(void);
+void quit(void);
+static void test_clock_getres();
+static void test_clock_gettime();
+static void show_timespec(char *msg, struct timespec *ts);
+
+static void test_clock_getres()
+{
+ struct timespec res;
+
+ /* valid clock_id should succeed, invalid clock_id should fail */
+ if (clock_getres(CLOCK_REALTIME, &res) == -1) e(10);
+ if (res.tv_sec < 0 || res.tv_nsec < 0) e(11);
+ show_timespec("res(CLOCK_REALTIME)", &res);
+
+ if (clock_getres(CLOCK_MONOTONIC, &res) == -1) e(12);
+ if (res.tv_sec < 0 || res.tv_nsec < 0) e(13);
+ show_timespec("res(CLOCK_MONOTONIC)", &res);
+
+ if (clock_getres(-1, &res) == 0) e(14);
+}
+
+static void test_clock_gettime()
+{
+ struct timespec ts, ts2;
+
+ /* valid clock_id should succeed, invalid clock_id should fail */
+ if (clock_gettime(CLOCK_REALTIME, &ts) == -1) e(21);
+ if (ts.tv_sec < 0 || ts.tv_nsec < 0) e(22);
+ show_timespec("time(CLOCK_REALTIME)", &ts);
+ sleep(2);
+ if (clock_gettime(CLOCK_REALTIME, &ts2) == -1) e(23);
+ if (ts2.tv_sec < 0 || ts2.tv_nsec < 0) e(24);
+ if (ts2.tv_sec <= ts.tv_sec) e(25);
+
+ if (clock_gettime(CLOCK_MONOTONIC, &ts) == -1) e(26);
+ if (ts.tv_sec < 0 || ts.tv_nsec < 0) e(27);
+ show_timespec("time(CLOCK_MONOTONIC)", &ts);
+ sleep(2);
+ if (clock_gettime(CLOCK_MONOTONIC, &ts2) == -1) e(28);
+ if (ts2.tv_sec < 0 || ts2.tv_nsec < 0) e(29);
+ if (ts2.tv_sec <= ts.tv_sec) e(30);
+
+
+ if (clock_gettime(-1, &ts) == 0) e(31);
+}
+
+static void show_timespec(char *msg, struct timespec *ts)
+{
+#if DEBUG == 1
+ printf("[%s] tv_sec=%d tv_nsec=%ld\n", msg, ts->tv_sec, ts->tv_nsec);
+#endif /* DEBUG == 1 */
+}
+
+int main()
+{
+ start(69);
+ struct timespec starttime, endtime;
+
+ /* get test start time */
+ if (clock_gettime(CLOCK_MONOTONIC, &starttime) == -1) e(1);
+
+ test_clock_getres();
+ test_clock_gettime();
+
+ /* get test end time */
+ if (clock_gettime(CLOCK_MONOTONIC, &endtime) == -1) e(2);
+
+ /* we shouldn't have gone backwards in time during this test */
+ if ((starttime.tv_sec > endtime.tv_sec) ||
+ (starttime.tv_sec == endtime.tv_sec &&
+ starttime.tv_nsec > endtime.tv_nsec)) e(3);
+
+ quit();
+ return(-1); /* impossible */
+}
+