Archipelago » qemu

/* Check that TRT happens when error on too many opened files.

#notarget: cris*-*-elf

#sim: --sysroot=@exedir@

*/

#include <stddef.h>

#include <stdlib.h>

#include <stdio.h>

#include <unistd.h>

#include <errno.h>

#include <limits.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <fcntl.h>

#include <string.h>

int main (int argc, char *argv[])

{

  int i;

  int filemax;

#ifdef OPEN_MAX

  filemax = OPEN_MAX;

#else

  filemax = sysconf (_SC_OPEN_MAX);

#endif

  char *fn = malloc (strlen (argv[0]) + 2);

  if (fn == NULL)

    abort ();

  strcpy (fn, "/");

  strcat (fn, argv[0]);

  for (i = 0; i < filemax + 1; i++)

    {

      if (open (fn, O_RDONLY) < 0)

        {

          /* Shouldn't happen too early.  */

          if (i < filemax - 3 - 1)

            {

              fprintf (stderr, "i: %d\n", i);

              abort ();

            }

          if (errno != EMFILE)

            {

              perror ("open");

              abort ();

            }

          goto ok;

        }

    }

  abort ();

ok:

  printf ("pass\n");

  exit (0);

}