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37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
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/* Determine whether block of given size can be allocated on the stack or not.
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Copyright (C) 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C 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 License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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The GNU C 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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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <alloca.h>
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#include <stdlib.h>
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#include <sys/param.h>
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#include "internals.h"
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#include <sysdep-cancel.h>
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int
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__libc_alloca_cutoff (size_t size)
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{
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if (! SINGLE_THREAD_P)
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{
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pthread_descr self = thread_self ();
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return size <= LIBC_THREAD_GETMEM (self, p_alloca_cutoff);
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}
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return size <= __MAX_ALLOCA_CUTOFF;
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}
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