mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 14:30:06 +00:00
37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/* Determine whether block of given size can be allocated on the stack or not.
|
|
Copyright (C) 2002 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <alloca.h>
|
|
#include <stdlib.h>
|
|
#include <sys/param.h>
|
|
#include <pthreadP.h>
|
|
|
|
|
|
int
|
|
__libc_alloca_cutoff (size_t size)
|
|
{
|
|
return size <= (MIN (__MAX_ALLOCA_CUTOFF,
|
|
THREAD_GETMEM (THREAD_SELF, stackblock_size) / 4
|
|
/* The main thread, before the thread library is
|
|
initialized, has zero in the stackblock_size
|
|
element. Since it is the main thread we can
|
|
assume the maximum available stack space. */
|
|
?: __MAX_ALLOCA_CUTOFF * 4));
|
|
}
|