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[thirdparty/gcc.git] / libgomp / oacc-async.c

/* OpenACC Runtime Library Definitions.

   Copyright (C) 2013-2016 Free Software Foundation, Inc.

   Contributed by Mentor Embedded.

   This file is part of the GNU Offloading and Multi Processing Library
   (libgomp).

   Libgomp 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, or (at your option)
   any later version.

   Libgomp 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.

   Under Section 7 of GPL version 3, you are granted additional
   permissions described in the GCC Runtime Library Exception, version
   3.1, as published by the Free Software Foundation.

   You should have received a copy of the GNU General Public License and
   a copy of the GCC Runtime Library Exception along with this program;
   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
   <http://www.gnu.org/licenses/>.  */

#include <assert.h>
#include "openacc.h"
#include "libgomp.h"
#include "oacc-int.h"

int
acc_async_test (int async)
{
  if (async < acc_async_sync)
    gomp_fatal ("invalid async argument: %d", async);

  struct goacc_thread *thr = goacc_thread ();

  if (!thr || !thr->dev)
    gomp_fatal ("no device active");

  return thr->dev->openacc.async_test_func (async);
}

int
acc_async_test_all (void)
{
  struct goacc_thread *thr = goacc_thread ();

  if (!thr || !thr->dev)
    gomp_fatal ("no device active");

  return thr->dev->openacc.async_test_all_func ();
}

void
acc_wait (int async)
{
  if (async < acc_async_sync)
    gomp_fatal ("invalid async argument: %d", async);

  struct goacc_thread *thr = goacc_thread ();

  if (!thr || !thr->dev)
    gomp_fatal ("no device active");

  thr->dev->openacc.async_wait_func (async);
}

void
acc_wait_async (int async1, int async2)
{
  struct goacc_thread *thr = goacc_thread ();

  if (!thr || !thr->dev)
    gomp_fatal ("no device active");

  thr->dev->openacc.async_wait_async_func (async1, async2);
}

void
acc_wait_all (void)
{
  struct goacc_thread *thr = goacc_thread ();

  if (!thr || !thr->dev)
    gomp_fatal ("no device active");

  thr->dev->openacc.async_wait_all_func ();
}

void
acc_wait_all_async (int async)
{
  if (async < acc_async_sync)
    gomp_fatal ("invalid async argument: %d", async);

  struct goacc_thread *thr = goacc_thread ();

  if (!thr || !thr->dev)
    gomp_fatal ("no device active");

  thr->dev->openacc.async_wait_all_async_func (async);
}