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1998-06-10  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/syscalls.list: Add sigaltstack and
	sigstack.

	* sysdeps/unix/sysv/linux/bits/sigstack.h: Add definitions of
	SS_ONSTACK, SS_DISABLE, MINSIGSTKSZ and SIGSTKSZ.
	* sysdeps/unix/sysv/linux/alpha/bits/sigstack.h: New file.
This commit is contained in:
Ulrich Drepper 1998-06-10 11:00:50 +00:00
parent db3546a05e
commit 4f5e4ac46c
4 changed files with 82 additions and 0 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
1998-06-10 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/syscalls.list: Add sigaltstack and
sigstack.
* sysdeps/unix/sysv/linux/bits/sigstack.h: Add definitions of
SS_ONSTACK, SS_DISABLE, MINSIGSTKSZ and SIGSTKSZ.
* sysdeps/unix/sysv/linux/alpha/bits/sigstack.h: New file.
1998-06-08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/i386/dl-machine.h (_dl_start_user): Store stack address

55
sysdeps/unix/sysv/linux/alpha/bits/sigstack.h Normal file
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@ -0,0 +1,55 @@
/* sigstack, sigaltstack definitions.
Copyright (C) 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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 <signal.h> instead"
#endif
/* Structure describing a signal stack (obsolete). */
struct sigstack
{
__ptr_t 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
{
__ptr_t ss_sp;
int ss_flags;
size_t ss_size;
} stack_t;

16
sysdeps/unix/sysv/linux/bits/sigstack.h
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@ -30,6 +30,22 @@ struct sigstack
};
/* 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 2048
/* System default stack size. */
#define SIGSTKSZ 8192
/* Alternate, preferred interface. */
typedef struct sigaltstack
{

2
sysdeps/unix/sysv/linux/syscalls.list
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@ -72,6 +72,8 @@ setfsuid EXTRA setfsuid 1 setfsuid
setpgid - setpgid 2 __setpgid setpgid
setresgid EXTRA setresgid 3 setresgid
setresuid EXTRA setresuid 3 setresuid
sigaltstack - sigaltstack 2 sigaltstack
sigstack - sigstack 2 sigstack
sys_fstat fxstat fstat 2 __syscall_fstat
sys_lstat lxstat lstat 2 __syscall_lstat
sys_mknod xmknod mknod 3 __syscall_mknod