1 /* Copyright (C) 2015-2021 Free Software Foundation, Inc.
2 Contributed by Alexander Monakov <amonakov@ispras.ru>
4 This file is part of the GNU Offloading and Multi Processing Library
7 Libgomp is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14 FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 Under Section 7 of GPL version 3, you are granted additional
18 permissions described in the GCC Runtime Library Exception, version
19 3.1, as published by the Free Software Foundation.
21 You should have received a copy of the GNU General Public License and
22 a copy of the GCC Runtime Library Exception along with this program;
23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 <http://www.gnu.org/licenses/>. */
26 /* This file defines OpenMP API entry points that accelerator targets are
27 expected to replace. */
32 omp_set_default_device (int device_num
__attribute__((unused
)))
37 omp_get_default_device (void)
43 omp_get_initial_device (void)
45 return GOMP_DEVICE_HOST_FALLBACK
;
49 omp_get_num_devices (void)
55 omp_is_initial_device (void)
57 /* NVPTX is an accelerator-only target. */
61 /* This is set to the device number of current GPU during device initialization,
62 when the offload image containing this libgomp portion is loaded. */
63 static volatile int GOMP_DEVICE_NUM_VAR
;
66 omp_get_device_num (void)
68 return GOMP_DEVICE_NUM_VAR
;
71 ialias (omp_set_default_device
)
72 ialias (omp_get_default_device
)
73 ialias (omp_get_initial_device
)
74 ialias (omp_get_num_devices
)
75 ialias (omp_is_initial_device
)
76 ialias (omp_get_device_num
)