/* Basic time functionality test: check that milliseconds are
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/* Basic time functionality test: check that milliseconds are
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incremented for each syscall (does not work on host). */
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incremented for each syscall (does not work on host). */
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#include <stdio.h>
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#include <stdio.h>
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#include <time.h>
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#include <time.h>
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#include <sys/time.h>
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#include <sys/time.h>
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#include <string.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdlib.h>
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void err (const char *s)
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void err (const char *s)
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{
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{
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perror (s);
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perror (s);
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abort ();
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abort ();
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}
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}
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int
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int
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main (void)
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main (void)
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{
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{
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struct timeval t_m = {0, 0};
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struct timeval t_m = {0, 0};
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struct timezone t_z = {0, 0};
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struct timezone t_z = {0, 0};
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struct timeval t_m1 = {0, 0};
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struct timeval t_m1 = {0, 0};
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int i;
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int i;
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if (gettimeofday (&t_m, &t_z) != 0)
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if (gettimeofday (&t_m, &t_z) != 0)
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err ("gettimeofday");
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err ("gettimeofday");
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for (i = 1; i < 10000; i++)
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for (i = 1; i < 10000; i++)
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if (gettimeofday (&t_m1, NULL) != 0)
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if (gettimeofday (&t_m1, NULL) != 0)
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err ("gettimeofday 1");
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err ("gettimeofday 1");
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else
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else
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if (t_m1.tv_sec * 1000000 + t_m1.tv_usec
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if (t_m1.tv_sec * 1000000 + t_m1.tv_usec
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!= (t_m.tv_sec * 1000000 + t_m.tv_usec + i * 1000))
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!= (t_m.tv_sec * 1000000 + t_m.tv_usec + i * 1000))
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{
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{
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fprintf (stderr, "t0 (%ld, %ld), i %d, t1 (%ld, %ld)\n",
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fprintf (stderr, "t0 (%ld, %ld), i %d, t1 (%ld, %ld)\n",
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t_m.tv_sec, t_m.tv_usec, i, t_m1.tv_sec, t_m1.tv_usec);
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t_m.tv_sec, t_m.tv_usec, i, t_m1.tv_sec, t_m1.tv_usec);
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abort ();
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abort ();
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}
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}
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if (time (NULL) != t_m1.tv_sec)
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if (time (NULL) != t_m1.tv_sec)
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{
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{
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fprintf (stderr, "time != gettod\n");
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fprintf (stderr, "time != gettod\n");
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abort ();
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abort ();
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}
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}
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printf ("pass\n");
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printf ("pass\n");
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exit (0);
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exit (0);
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}
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}
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