mirror of
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219 lines
4.6 KiB
C
219 lines
4.6 KiB
C
/* Copyright (C) 2005-2017 Free Software Foundation, Inc.
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Contributed by Richard Henderson <rth@redhat.com>.
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This file is part of the GNU Offloading and Multi Processing Library
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(libgomp).
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Libgomp is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* This file defines the OpenMP API entry points that operate on internal
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control variables. */
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#include "libgomp.h"
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#include "gomp-constants.h"
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#include <limits.h>
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void
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omp_set_num_threads (int n)
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{
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struct gomp_task_icv *icv = gomp_icv (true);
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icv->nthreads_var = (n > 0 ? n : 1);
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}
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void
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omp_set_dynamic (int val)
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{
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struct gomp_task_icv *icv = gomp_icv (true);
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icv->dyn_var = val;
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}
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int
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omp_get_dynamic (void)
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{
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struct gomp_task_icv *icv = gomp_icv (false);
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return icv->dyn_var;
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}
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void
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omp_set_nested (int val)
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{
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struct gomp_task_icv *icv = gomp_icv (true);
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icv->nest_var = val;
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}
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int
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omp_get_nested (void)
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{
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struct gomp_task_icv *icv = gomp_icv (false);
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return icv->nest_var;
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}
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void
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omp_set_schedule (omp_sched_t kind, int chunk_size)
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{
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struct gomp_task_icv *icv = gomp_icv (true);
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switch (kind)
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{
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case omp_sched_static:
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if (chunk_size < 1)
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chunk_size = 0;
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icv->run_sched_chunk_size = chunk_size;
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break;
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case omp_sched_dynamic:
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case omp_sched_guided:
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if (chunk_size < 1)
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chunk_size = 1;
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icv->run_sched_chunk_size = chunk_size;
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break;
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case omp_sched_auto:
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break;
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default:
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return;
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}
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icv->run_sched_var = kind;
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}
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void
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omp_get_schedule (omp_sched_t *kind, int *chunk_size)
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{
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struct gomp_task_icv *icv = gomp_icv (false);
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*kind = icv->run_sched_var;
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*chunk_size = icv->run_sched_chunk_size;
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}
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int
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omp_get_max_threads (void)
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{
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struct gomp_task_icv *icv = gomp_icv (false);
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return icv->nthreads_var;
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}
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int
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omp_get_thread_limit (void)
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{
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struct gomp_task_icv *icv = gomp_icv (false);
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return icv->thread_limit_var > INT_MAX ? INT_MAX : icv->thread_limit_var;
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}
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void
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omp_set_max_active_levels (int max_levels)
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{
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if (max_levels >= 0)
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gomp_max_active_levels_var = max_levels;
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}
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int
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omp_get_max_active_levels (void)
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{
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return gomp_max_active_levels_var;
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}
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int
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omp_get_cancellation (void)
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{
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return gomp_cancel_var;
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}
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int
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omp_get_max_task_priority (void)
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{
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return gomp_max_task_priority_var;
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}
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omp_proc_bind_t
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omp_get_proc_bind (void)
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{
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struct gomp_task_icv *icv = gomp_icv (false);
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return icv->bind_var;
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}
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int
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omp_get_initial_device (void)
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{
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return GOMP_DEVICE_HOST_FALLBACK;
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}
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int
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omp_get_num_places (void)
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{
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return gomp_places_list_len;
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}
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int
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omp_get_place_num (void)
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{
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if (gomp_places_list == NULL)
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return -1;
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struct gomp_thread *thr = gomp_thread ();
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if (thr->place == 0)
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gomp_init_affinity ();
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return (int) thr->place - 1;
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}
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int
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omp_get_partition_num_places (void)
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{
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if (gomp_places_list == NULL)
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return 0;
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struct gomp_thread *thr = gomp_thread ();
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if (thr->place == 0)
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gomp_init_affinity ();
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return thr->ts.place_partition_len;
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}
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void
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omp_get_partition_place_nums (int *place_nums)
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{
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if (gomp_places_list == NULL)
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return;
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struct gomp_thread *thr = gomp_thread ();
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if (thr->place == 0)
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gomp_init_affinity ();
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unsigned int i;
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for (i = 0; i < thr->ts.place_partition_len; i++)
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*place_nums++ = thr->ts.place_partition_off + i;
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}
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ialias (omp_set_dynamic)
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ialias (omp_set_nested)
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ialias (omp_set_num_threads)
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ialias (omp_get_dynamic)
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ialias (omp_get_nested)
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ialias (omp_set_schedule)
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ialias (omp_get_schedule)
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ialias (omp_get_max_threads)
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ialias (omp_get_thread_limit)
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ialias (omp_set_max_active_levels)
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ialias (omp_get_max_active_levels)
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ialias (omp_get_cancellation)
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ialias (omp_get_proc_bind)
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ialias (omp_get_initial_device)
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ialias (omp_get_max_task_priority)
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ialias (omp_get_num_places)
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ialias (omp_get_place_num)
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ialias (omp_get_partition_num_places)
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ialias (omp_get_partition_place_nums)
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