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- /* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
- 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #include <assert.h>
- #include <errno.h>
- #include <string.h>
- #include <unistd.h>
- #include "pthreadP.h"
- #include <shlib-compat.h>
- struct pthread_attr *__attr_list;
- lll_lock_t __attr_list_lock = LLL_LOCK_INITIALIZER;
- int
- __pthread_attr_init_2_1 (attr)
- pthread_attr_t *attr;
- {
- 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_PTHREAD_ATTR_T);
- assert (sizeof (*attr) >= sizeof (struct pthread_attr));
- iattr = (struct pthread_attr *) attr;
- /* Default guard size specified by the standard. */
- iattr->guardsize = __getpagesize ();
- return 0;
- }
- versioned_symbol (libpthread, __pthread_attr_init_2_1, pthread_attr_init,
- GLIBC_2_1);
- #if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
- int
- __pthread_attr_init_2_0 (attr)
- 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 (libpthread, __pthread_attr_init_2_0, pthread_attr_init,
- GLIBC_2_0);
- #endif
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