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/*
* Copyright (c) 2003, 2006 Matteo Frigo
* Copyright (c) 2003, 2006 Massachusetts Institute of Technology
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "api.h"
#include "threads.h"
static int threads_inited = 0;
/* should be called before all other FFTW functions! */
int X(init_threads)(void)
{
if (!threads_inited) {
planner *plnr;
if (X(ithreads_init)())
return 0;
/* this should be the first time the_planner is called,
and hence the time it is configured */
plnr = X(the_planner)();
X(threads_conf_standard)(plnr);
threads_inited = 1;
}
return 1;
}
void X(cleanup_threads)(void)
{
X(cleanup)();
if (threads_inited) {
X(threads_cleanup)();
threads_inited = 0;
}
}
void X(plan_with_nthreads)(int nthreads)
{
planner *plnr;
if (!threads_inited) {
X(cleanup)();
X(init_threads)();
}
A(threads_inited);
plnr = X(the_planner)();
plnr->nthr = X(imax)(1, nthreads);
X(threads_setmax)(plnr->nthr);
}
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