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/* Copyright (C) 2018-2021 Free Software Foundation, Inc.
Contributed by Jakub Jelinek <>.
This file is part of the GNU Offloading and Multi Processing Library
Libgomp is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<>. */
/* This file handles the host TEAMS construct. */
#include "libgomp.h"
#include <limits.h>
static unsigned gomp_num_teams = 1, gomp_team_num = 0;
GOMP_teams_reg (void (*fn) (void *), void *data, unsigned int num_teams,
unsigned int thread_limit, unsigned int flags)
(void) flags;
(void) num_teams;
unsigned old_thread_limit_var = 0;
if (thread_limit == 0)
thread_limit = gomp_teams_thread_limit_var;
if (thread_limit)
struct gomp_task_icv *icv = gomp_icv (true);
old_thread_limit_var = icv->thread_limit_var;
= thread_limit > INT_MAX ? UINT_MAX : thread_limit;
if (num_teams == 0)
num_teams = gomp_nteams_var ? gomp_nteams_var : 3;
gomp_num_teams = num_teams;
for (gomp_team_num = 0; gomp_team_num < num_teams; gomp_team_num++)
fn (data);
gomp_num_teams = 1;
gomp_team_num = 0;
if (thread_limit)
struct gomp_task_icv *icv = gomp_icv (true);
icv->thread_limit_var = old_thread_limit_var;
omp_get_num_teams (void)
return gomp_num_teams;
omp_get_team_num (void)
return gomp_team_num;
ialias (omp_get_num_teams)
ialias (omp_get_team_num)