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