Subversion Repositories scarts

/* Check that TRT happens when we reach the #threads implementation limit.

#notarget: cris*-*-elf

*/

#include <stddef.h>

#include <stdlib.h>

#include <stdio.h>

#include <limits.h>

#include <unistd.h>

#include <sched.h>

#include <errno.h>

#include <sys/types.h>

#include <sys/wait.h>

int

process (void *arg)

{

  int i;

  for (i = 0; i < 500; i++)

    if (sched_yield ())

      abort ();

  return 0;

}

int

main (void)

{

  int pid;

  int i;

  int stacksize = 16384;

  for (i = 0; i < 1000; i++)

    {

      char *stack = malloc (stacksize);

      if (stack == NULL)

        abort ();

      pid = clone (process, (char *) stack + stacksize - 64,

                   (CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND)

                   | SIGCHLD, "ab");

      if (pid <= 0)

        {

          /* FIXME: Read sysconf instead of magic number.  */

          if (i < 60)

            {

              fprintf (stderr, "Bad clone %d\n", pid);

              abort ();

            }

          if (errno == EAGAIN)

            {

              printf ("pass\n");

              exit (0);

            }

        }

    }

  abort ();

}