85 lines
2.5 KiB
C
85 lines
2.5 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 <errno.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include "pthreadP.h"
|
|
|
|
#include <shlib-compat.h>
|
|
|
|
|
|
struct pthread_attr *__attr_list;
|
|
int __attr_list_lock = LLL_LOCK_INITIALIZER;
|
|
|
|
|
|
int
|
|
__pthread_attr_init (pthread_attr_t *attr)
|
|
{
|
|
struct pthread_attr *iattr;
|
|
|
|
ASSERT_TYPE_SIZE (pthread_attr_t, __SIZEOF_PTHREAD_ATTR_T);
|
|
ASSERT_PTHREAD_INTERNAL_SIZE (pthread_attr_t, struct pthread_attr);
|
|
|
|
/* Many elements are initialized to zero so let us do it all at
|
|
once. This also takes care of clearing the bytes which are not
|
|
internally used. */
|
|
memset (attr, '\0', __SIZEOF_PTHREAD_ATTR_T);
|
|
|
|
iattr = (struct pthread_attr *) attr;
|
|
|
|
/* Default guard size specified by the standard. */
|
|
iattr->guardsize = __getpagesize ();
|
|
|
|
return 0;
|
|
}
|
|
libc_hidden_def (__pthread_attr_init)
|
|
versioned_symbol (libc, __pthread_attr_init, pthread_attr_init, GLIBC_2_1);
|
|
|
|
|
|
#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_1)
|
|
int
|
|
__pthread_attr_init_2_0 (pthread_attr_t *attr)
|
|
{
|
|
/* This code is specific to the old LinuxThread code which has a too
|
|
small pthread_attr_t definition. The struct looked like
|
|
this: */
|
|
struct old_attr
|
|
{
|
|
int detachstate;
|
|
int schedpolicy;
|
|
struct sched_param schedparam;
|
|
int inheritsched;
|
|
int scope;
|
|
};
|
|
struct pthread_attr *iattr;
|
|
|
|
/* Many elements are initialized to zero so let us do it all at
|
|
once. This also takes care of clearing the bytes which are not
|
|
internally used. */
|
|
memset (attr, '\0', sizeof (struct old_attr));
|
|
|
|
iattr = (struct pthread_attr *) attr;
|
|
iattr->flags |= ATTR_FLAG_OLDATTR;
|
|
|
|
/* We cannot enqueue the attribute because that member is not in the
|
|
old attribute structure. */
|
|
return 0;
|
|
}
|
|
compat_symbol (libc, __pthread_attr_init_2_0, pthread_attr_init, GLIBC_2_0);
|
|
#endif
|