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oacc-async.c revision 1.1.1.4 
      1 /* OpenACC Runtime Library Definitions.
      2 
      3    Copyright (C) 2013-2018 Free Software Foundation, Inc.
      4 
      5    Contributed by Mentor Embedded.
      6 
      7    This file is part of the GNU Offloading and Multi Processing Library
      8    (libgomp).
      9 
     10    Libgomp is free software; you can redistribute it and/or modify it
     11    under the terms of the GNU General Public License as published by
     12    the Free Software Foundation; either version 3, or (at your option)
     13    any later version.
     14 
     15    Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
     16    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
     17    FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
     18    more details.
     19 
     20    Under Section 7 of GPL version 3, you are granted additional
     21    permissions described in the GCC Runtime Library Exception, version
     22    3.1, as published by the Free Software Foundation.
     23 
     24    You should have received a copy of the GNU General Public License and
     25    a copy of the GCC Runtime Library Exception along with this program;
     26    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     27    <http://www.gnu.org/licenses/>.  */
     28 
     29 #include <assert.h>
     30 #include "openacc.h"
     31 #include "libgomp.h"
     32 #include "oacc-int.h"
     33 
     34 int
     35 acc_async_test (int async)
     36 {
     37   if (async < acc_async_sync)
     38     gomp_fatal ("invalid async argument: %d", async);
     39 
     40   struct goacc_thread *thr = goacc_thread ();
     41 
     42   if (!thr || !thr->dev)
     43     gomp_fatal ("no device active");
     44 
     45   return thr->dev->openacc.async_test_func (async);
     46 }
     47 
     48 int
     49 acc_async_test_all (void)
     50 {
     51   struct goacc_thread *thr = goacc_thread ();
     52 
     53   if (!thr || !thr->dev)
     54     gomp_fatal ("no device active");
     55 
     56   return thr->dev->openacc.async_test_all_func ();
     57 }
     58 
     59 void
     60 acc_wait (int async)
     61 {
     62   if (async < acc_async_sync)
     63     gomp_fatal ("invalid async argument: %d", async);
     64 
     65   struct goacc_thread *thr = goacc_thread ();
     66 
     67   if (!thr || !thr->dev)
     68     gomp_fatal ("no device active");
     69 
     70   thr->dev->openacc.async_wait_func (async);
     71 }
     72 
     73 /* acc_async_wait is an OpenACC 1.0 compatibility name for acc_wait.  */
     74 #ifdef HAVE_ATTRIBUTE_ALIAS
     75 strong_alias (acc_wait, acc_async_wait)
     76 #else
     77 void
     78 acc_async_wait (int async)
     79 {
     80   acc_wait (async);
     81 }
     82 #endif
     83 
     84 void
     85 acc_wait_async (int async1, int async2)
     86 {
     87   struct goacc_thread *thr = goacc_thread ();
     88 
     89   if (!thr || !thr->dev)
     90     gomp_fatal ("no device active");
     91 
     92   thr->dev->openacc.async_wait_async_func (async1, async2);
     93 }
     94 
     95 void
     96 acc_wait_all (void)
     97 {
     98   struct goacc_thread *thr = goacc_thread ();
     99 
    100   if (!thr || !thr->dev)
    101     gomp_fatal ("no device active");
    102 
    103   thr->dev->openacc.async_wait_all_func ();
    104 }
    105 
    106 /* acc_async_wait_all is an OpenACC 1.0 compatibility name for acc_wait_all.  */
    107 #ifdef HAVE_ATTRIBUTE_ALIAS
    108 strong_alias (acc_wait_all, acc_async_wait_all)
    109 #else
    110 void
    111 acc_async_wait_all (void)
    112 {
    113   acc_wait_all ();
    114 }
    115 #endif
    116 
    117 void
    118 acc_wait_all_async (int async)
    119 {
    120   if (async < acc_async_sync)
    121     gomp_fatal ("invalid async argument: %d", async);
    122 
    123   struct goacc_thread *thr = goacc_thread ();
    124 
    125   if (!thr || !thr->dev)
    126     gomp_fatal ("no device active");
    127 
    128   thr->dev->openacc.async_wait_all_async_func (async);
    129 }
    130