From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4459 invoked by alias); 1 Oct 2002 12:09:13 -0000 Mailing-List: contact libc-hacker-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-hacker-owner@sources.redhat.com Received: (qmail 4376 invoked from network); 1 Oct 2002 12:09:09 -0000 Received: from unknown (HELO sunsite.mff.cuni.cz) (195.113.19.66) by sources.redhat.com with SMTP; 1 Oct 2002 12:09:09 -0000 Received: (from jakub@localhost) by sunsite.mff.cuni.cz (8.11.6/8.11.6) id g91C8jr11109; Tue, 1 Oct 2002 14:08:45 +0200 Date: Tue, 01 Oct 2002 05:09:00 -0000 From: Jakub Jelinek To: Roland McGrath , Ulrich Drepper Cc: Glibc hackers Subject: [PATCH] {,MIN}SIGSTKSZ on IA-64 and SPARC* Message-ID: <20021001140844.D3451@sunsite.ms.mff.cuni.cz> Reply-To: Jakub Jelinek Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i X-SW-Source: 2002-10/txt/msg00003.txt.bz2 Hi! asm-ia64/signal.h uses 128K/256K and asm-sparc*/signal.h use 4K/16K instead of 2K/8K defined by glibc. 2002-10-01 Jakub Jelinek * sysdeps/unix/sysv/linux/ia64/bits/sigstack.h (MINSIGSTKSZ, SIGSTKSZ): Changed to match kernel. * sysdeps/unix/sysv/linux/sparc/bits/sigstack.h: New file. --- libc/sysdeps/unix/sysv/linux/ia64/bits/sigstack.h.jj 2001-08-23 18:51:06.000000000 +0200 +++ libc/sysdeps/unix/sysv/linux/ia64/bits/sigstack.h 2002-10-01 14:07:57.000000000 +0200 @@ -1,5 +1,5 @@ /* sigstack, sigaltstack definitions. - Copyright (C) 1998, 2000 Free Software Foundation, Inc. + Copyright (C) 1998, 2000, 2002 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 @@ -42,10 +42,10 @@ enum }; /* Minimum stack size for a signal handler. */ -#define MINSIGSTKSZ 2048 +#define MINSIGSTKSZ 131027 /* System default stack size. */ -#define SIGSTKSZ 8192 +#define SIGSTKSZ 262144 /* Alternate, preferred interface. */ --- libc/sysdeps/unix/sysv/linux/sparc/bits/sigstack.h.jj 2002-10-01 14:08:20.000000000 +0200 +++ libc/sysdeps/unix/sysv/linux/sparc/bits/sigstack.h 2002-10-01 14:09:07.000000000 +0200 @@ -0,0 +1,55 @@ +/* sigstack, sigaltstack definitions. + Copyright (C) 1998, 1999, 2002 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SIGNAL_H +# error "Never include this file directly. Use instead" +#endif + + +/* Structure describing a signal stack (obsolete). */ +struct sigstack + { + void *ss_sp; /* Signal stack pointer. */ + int ss_onstack; /* Nonzero if executing on this stack. */ + }; + + +/* Possible values for `ss_flags.'. */ +enum +{ + SS_ONSTACK = 1, +#define SS_ONSTACK SS_ONSTACK + SS_DISABLE +#define SS_DISABLE SS_DISABLE +}; + +/* Minimum stack size for a signal handler. */ +#define MINSIGSTKSZ 4096 + +/* System default stack size. */ +#define SIGSTKSZ 16384 + + +/* Alternate, preferred interface. */ +typedef struct sigaltstack + { + void *ss_sp; + int ss_flags; + size_t ss_size; + } stack_t; Jakub