sim/testsuite/cris/c/pipe1.c

   1 /* Check for proper pipe semantics at corner cases.
   2 #progos: linux
   3 */
   4
   5 #include <stddef.h>
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include <unistd.h>
   9 #include <sched.h>
  10 #include <signal.h>
  11 #include <sys/types.h>
  12 #include <sys/wait.h>
  13 #include <limits.h>
  14 #include <unistd.h>
  15
  16 int main (void)
  17 {
  18   int i;
  19   int filemax;
  20
  21 #ifdef OPEN_MAX
  22   filemax = OPEN_MAX;
  23 #else
  24   filemax = sysconf (_SC_OPEN_MAX);
  25 #endif
  26
  27   if (filemax < 10)
  28     abort ();
  29
  30   /* Check that pipes don't leak file descriptors.  */
  31   for (i = 0; i < filemax * 10; i++)
  32     {
  33       int pip[2];
  34       if (pipe (pip) != 0)
  35         {
  36           perror ("pipe");
  37           abort ();
  38         }
  39
  40       if (close (pip[0]) != 0 || close (pip[1]) != 0)
  41         {
  42           perror ("close");
  43           abort ();
  44         }
  45     }
  46   printf ("pass\n");
  47   exit (0);
  48 }