Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
57 lines
955 B
C
57 lines
955 B
C
/* 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);
|
|
}
|