libgomp/oacc-async.c

   1 /* OpenACC Runtime Library Definitions.
   2
   3    Copyright (C) 2013-2017 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 }