glibc/nptl/pthread_attr_getstacksize.c

48 lines
1.6 KiB
C

/* Copyright (C) 2002-2022 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/>. */
#include "pthreadP.h"
#include <shlib-compat.h>
int
__pthread_attr_getstacksize (const pthread_attr_t *attr, size_t *stacksize)
{
struct pthread_attr *iattr;
iattr = (struct pthread_attr *) attr;
size_t size = iattr->stacksize;
/* If the user has not set a stack size we return what the system
will use as the default. */
if (size == 0)
{
lll_lock (__default_pthread_attr_lock, LLL_PRIVATE);
size = __default_pthread_attr.internal.stacksize;
lll_unlock (__default_pthread_attr_lock, LLL_PRIVATE);
}
*stacksize = size;
return 0;
}
versioned_symbol (libc, __pthread_attr_getstacksize,
pthread_attr_getstacksize, GLIBC_2_34);
#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1, GLIBC_2_34)
compat_symbol (libpthread, __pthread_attr_getstacksize,
pthread_attr_getstacksize, GLIBC_2_1);
#endif