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/* sysconf_sigstksz (). Linux version.
Copyright (C) 2020-2023 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
/* Return sysconf (_SC_SIGSTKSZ). */
static long int
sysconf_sigstksz (void)
{
long int minsigstacksize = GLRO(dl_minsigstacksize);
assert (minsigstacksize != 0);
_Static_assert (__builtin_constant_p (MINSIGSTKSZ),
"MINSIGSTKSZ is constant");
if (minsigstacksize < MINSIGSTKSZ)
minsigstacksize = MINSIGSTKSZ;
/* MAX (MINSIGSTKSZ, sysconf (_SC_MINSIGSTKSZ)) * 4. */
long int sigstacksize = minsigstacksize * 4;
/* Return MAX (SIGSTKSZ, sigstacksize). */
_Static_assert (__builtin_constant_p (SIGSTKSZ),
"SIGSTKSZ is constant");
if (sigstacksize < SIGSTKSZ)
sigstacksize = SIGSTKSZ;
return sigstacksize;
}
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