diff options
Diffstat (limited to 'tests/cris/check_openpf5.c')
-rw-r--r-- | tests/cris/check_openpf5.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tests/cris/check_openpf5.c b/tests/cris/check_openpf5.c new file mode 100644 index 0000000000..1f86ea283d --- /dev/null +++ b/tests/cris/check_openpf5.c @@ -0,0 +1,56 @@ +/* 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); +} |