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/* Compiler options:

#notarget: cris*-*-elf

#cc: additional_flags=-pthread

#xerror:

#output: Unimplemented rt_sigprocmask syscall (0x3, 0x0, 0x3dff*\n

#output: program stopped with signal 4.\n

   Testing a signal handler corner case.  */

#include <stddef.h>

#include <stdlib.h>

#include <stdio.h>

#include <unistd.h>

#include <signal.h>

#include <pthread.h>

#include <errno.h>

static void *

process (void *arg)

{

  while (1)

    sched_yield ();

  return NULL;

}

int

main (void)

{

  int retcode;

  pthread_t th_a;

  void *retval;

  sigset_t sigs;

  if (sigemptyset (&sigs) != 0)

    abort ();

  retcode = pthread_create (&th_a, NULL, process, NULL);

  if (retcode != 0)

    abort ();

  /* An invalid parameter 1 should cause this to halt the simulator.  */

  retcode

    = pthread_sigmask (SIG_BLOCK + SIG_UNBLOCK + SIG_SETMASK, NULL, &sigs);

  /* Direct return of the error number; i.e. not using -1 and errno,

     is the actual documented behavior.  */

  if (retcode == ENOSYS)

    printf ("ENOSYS\n");

  printf ("xyzzy\n");

  return 0;

}