50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2011 Colin Walters <walters@verbum.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Colin Walters <walters@verbum.org>
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*/
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#include "config.h"
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#include "otutil.h"
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#include <string.h>
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/**
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* ot_thread_pool_new_nproc:
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*
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* Like g_thread_pool_new (), but choose number of threads appropriate
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* for CPU bound workers automatically. Also aborts on error.
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*/
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GThreadPool *
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ot_thread_pool_new_nproc (GFunc func,
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gpointer user_data)
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{
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long nproc_onln;
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GThreadPool *ret;
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GError *local_error = NULL;
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nproc_onln = sysconf (_SC_NPROCESSORS_ONLN);
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if (G_UNLIKELY (nproc_onln == -1 && errno == EINVAL))
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nproc_onln = 2;
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ret = g_thread_pool_new (func, user_data, (int)nproc_onln, FALSE, &local_error);
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g_assert_no_error (local_error);
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return ret;
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}
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