granicus.if.org Git - strace/blob - tests/sched_rr_get_interval.c

   1 #include "tests.h"
   2 #include <asm/unistd.h>
   3
   4 #ifdef __NR_sched_rr_get_interval
   5
   6 # include <stdint.h>
   7 # include <stdio.h>
   8 # include <sched.h>
   9 # include <unistd.h>
  10
  11 int
  12 main(void)
  13 {
  14         struct timespec *const tp = tail_alloc(sizeof(struct timespec));
  15         long rc;
  16
  17         rc = syscall(__NR_sched_rr_get_interval, 0, NULL);
  18         printf("sched_rr_get_interval(0, NULL) = %s\n", sprintrc(rc));
  19
  20         rc = syscall(__NR_sched_rr_get_interval, 0, tp + 1);
  21         printf("sched_rr_get_interval(0, %p) = %s\n", tp + 1, sprintrc(rc));
  22
  23         rc = syscall(__NR_sched_rr_get_interval, -1, tp);
  24         printf("sched_rr_get_interval(-1, %p) = %s\n", tp, sprintrc(rc));
  25
  26         rc = syscall(__NR_sched_rr_get_interval, 0, tp);
  27         if (rc == 0)
  28                 printf("sched_rr_get_interval(0, {tv_sec=%jd, tv_nsec=%jd}) = "
  29                        "0\n", (intmax_t)tp->tv_sec, (intmax_t)tp->tv_nsec);
  30         else
  31                 printf("sched_rr_get_interval(-1, %p) = %s\n", tp,
  32                         sprintrc(rc));
  33
  34         puts("+++ exited with 0 +++");
  35         return 0;
  36 }
  37
  38 #else
  39
  40 SKIP_MAIN_UNDEFINED("__NR_sched_rr_get_interval")
  41
  42 #endif