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

     2 #notarget: cris*-*-elf

     3 #sim: --sysroot=@exedir@

     4 */

     5 #include <stddef.h>

     6 #include <stdlib.h>

     7 #include <stdio.h>

     8 #include <unistd.h>

     9 #include <errno.h>

    10 #include <limits.h>

    11 #include <sys/types.h>

    12 #include <sys/stat.h>

    13 #include <fcntl.h>

    14 #include <string.h>

    15 

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

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

    28   if (fn == NULL)

    29     abort ();

    30   strcpy (fn, "/");

    31   strcat (fn, argv[0]);

    32 

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

    34     {

    35       if (open (fn, O_RDONLY) < 0)

    36 	{

    37 	  /* Shouldn't happen too early.  */

    38 	  if (i < filemax - 3 - 1)

    39 	    {

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

    41 	      abort ();

    42 	    }

    43 	  if (errno != EMFILE)

    44 	    {

    45 	      perror ("open");

    46 	      abort ();

    47 	    }

    48 	  goto ok;

    49 	}

    50     }

    51   abort ();

    52 

    53 ok:

    54   printf ("pass\n");

    55   exit (0);

    56 }