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Annotation of qemu/tests/cris/check_openpf5.c, revision 1.1

1.1     ! root        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: }

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