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/* This testcase is part of GDB, the GNU debugger.

   Copyright 2010 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.

   Contributed by Ulrich Weigand <uweigand@de.ibm.com>  */

#include <stdio.h>

#include <stdlib.h>

#include <libspe2.h>

#include <pthread.h>

#include <sys/types.h>

#include <sys/wait.h>

#include <unistd.h>

extern spe_program_handle_t fork_spu;

void *

spe_thread (void * arg)

{

  int flags = 0;

  unsigned int entry = SPE_DEFAULT_ENTRY;

  spe_context_ptr_t *ctx = (spe_context_ptr_t *) arg;

  spe_program_load (*ctx, &fork_spu);

  spe_context_run (*ctx, &entry, flags, NULL, NULL, NULL);

  pthread_exit (NULL);

}

int

main (void)

{

  pthread_t pts;

  spe_context_ptr_t ctx;

  unsigned int value;

  unsigned int pid;

  ctx = spe_context_create (0, NULL);

  pthread_create (&pts, NULL, &spe_thread, &ctx);

  /* Wait until the SPU thread is running.  */

  spe_out_intr_mbox_read (ctx, &value, 1, SPE_MBOX_ALL_BLOCKING);

  pid = fork ();

  if (pid == 0)

    {

      /* This is the child.  Just exit immediately.  */

      exit (0);

    }

  else

    {

      /* This is the parent.  Wait for the child to exit.  */

      waitpid (pid, NULL, 0);

    }

  /* Tell SPU to continue.  */

  spe_in_mbox_write (ctx, &value, 1, SPE_MBOX_ALL_BLOCKING);

  pthread_join (pts, NULL);

  spe_context_destroy (ctx);

  return 0;

}