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a4db3439f1
2003-09-15 Jakub Jelinek <jakub@redhat.com> * sysdeps/i386/Makefile (sysdep-CFLAGS): If not in math or csu subdir, add -mpreferred-stack-boundary=4, with few exceptions. 2003-09-17 Jakub Jelinek <jakub@redhat.com> * Makeconfig (stack-align-test-flags): Set. * stdlib/Makefile (CFLAGS-tst-bsearch.c): Add $(stack-align-test-flags). * stdlib/tst-bsearch.c: Include tst-stack-align.h. (align_check): New var. (comp): Use TEST_STACK_ALIGN macro. (do_test): Fail if align_check != 1. * sysdeps/generic/tst-stack-align.h: New file. * sysdeps/i386/i686/Makefile (stack-align-test-flags): Add -msse. * sysdeps/i386/i686/tst-stack-align.h: New file.
96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <assert.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include "pthreadP.h"
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#include <shlib-compat.h>
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struct pthread_attr *__attr_list;
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lll_lock_t __attr_list_lock = LLL_LOCK_INITIALIZER;
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int
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__pthread_attr_init_2_1 (attr)
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pthread_attr_t *attr;
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{
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struct pthread_attr *iattr;
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/* Many elements are initialized to zero so let us do it all at
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once. This also takes care of clearing the bytes which are not
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internally used. */
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memset (attr, '\0', __SIZEOF_PTHREAD_ATTR_T);
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assert (sizeof (*attr) >= sizeof (struct pthread_attr));
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iattr = (struct pthread_attr *) attr;
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/* Default guard size specified by the standard. */
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iattr->guardsize = __getpagesize ();
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/* Enqueue the attributes to the list of all known variables. */
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if (DEBUGGING_P)
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{
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lll_lock (__attr_list_lock);
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iattr->next = __attr_list;
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__attr_list = iattr;
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lll_unlock (__attr_list_lock);
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}
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return 0;
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}
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versioned_symbol (libpthread, __pthread_attr_init_2_1, pthread_attr_init,
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GLIBC_2_1);
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#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
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int
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__pthread_attr_init_2_0 (attr)
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pthread_attr_t *attr;
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{
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/* This code is specific to the old LinuxThread code which has a too
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small pthread_attr_t definition. The struct looked like
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this: */
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struct old_attr
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{
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int detachstate;
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int schedpolicy;
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struct sched_param schedparam;
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int inheritsched;
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int scope;
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};
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/* Many elements are initialized to zero so let us do it all at
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once. This also takes care of clearing the bytes which are not
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internally used. */
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memset (attr, '\0', sizeof (struct old_attr));
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/* We cannot enqueue the attribute because that member is not in the
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old attribute structure. */
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return 0;
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}
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compat_symbol (libpthread, __pthread_attr_init_2_0, pthread_attr_init,
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GLIBC_2_0);
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#endif
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