/* 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