2000-06-09  Jes Sorensen  <jes@linuxcare.com>
	    Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/ia64/sigaction.c: New file.
	* sysdeps/unix/sysv/linux/ia64/sigpending.c: New file.
	* sysdeps/unix/sysv/linux/ia64/sigprocmask.c: New file.
	* sysdeps/unix/sysv/linux/ia64/sigsuspend.c: New file.
	* sysdeps/unix/sysv/linux/ia64/bits/sigaction.h: New file.
	* sysdeps/unix/sysv/linux/ia64/bits/sigstack.h: New file.
This commit is contained in:
Ulrich Drepper 2000-06-10 00:05:44 +00:00
parent 301909fbcb
commit c79c9039b3
7 changed files with 313 additions and 0 deletions

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@ -1,3 +1,13 @@
2000-06-09 Jes Sorensen <jes@linuxcare.com>
Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/ia64/sigaction.c: New file.
* sysdeps/unix/sysv/linux/ia64/sigpending.c: New file.
* sysdeps/unix/sysv/linux/ia64/sigprocmask.c: New file.
* sysdeps/unix/sysv/linux/ia64/sigsuspend.c: New file.
* sysdeps/unix/sysv/linux/ia64/bits/sigaction.h: New file.
* sysdeps/unix/sysv/linux/ia64/bits/sigstack.h: New file.
2000-06-09 Ulrich Drepper <drepper@redhat.com> 2000-06-09 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/shm_open.c (where_is_shmfs): Try harder * sysdeps/unix/sysv/linux/shm_open.c (where_is_shmfs): Try harder

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/* Definitions for Linux/ia64 sigaction.
Copyright (C) 1996, 1997, 2000 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 <bits/sigaction.h> directly; use <signal.h> instead."
#endif
/* Structure describing the action to be taken when a signal arrives. */
struct sigaction
{
/* Signal handler. */
#ifdef __USE_POSIX199309
union
{
/* Used if SA_SIGINFO is not set. */
__sighandler_t sa_handler;
/* Used if SA_SIGINFO is set. */
void (*sa_sigaction) (int, siginfo_t *, void *);
}
__sigaction_handler;
# define sa_handler __sigaction_handler.sa_handler
# define sa_sigaction __sigaction_handler.sa_sigaction
#else
__sighandler_t sa_handler;
#endif
/* Special flags. */
unsigned long int sa_flags;
/* Additional set of signals to be blocked. */
__sigset_t sa_mask;
};
/* Bits in `sa_flags'. */
#define SA_NOCLDSTOP 0x00000001 /* Don't send SIGCHLD when children stop. */
#define SA_SIGINFO 0x00000004
#ifdef __USE_MISC
# define SA_ONSTACK 0x08000000 /* Use signal stack by using `sa_restorer'. */
# define SA_RESTART 0x10000000 /* Restart syscall on signal return. */
# define SA_NODEFER 0x40000000 /* Don't automatically block the signal
when its handler is being executed. */
# define SA_RESETHAND 0x80000000 /* Reset to SIG_DFL on entry to handler. */
#endif
#ifdef __USE_MISC
# define SA_INTERRUPT 0x20000000 /* Historic no-op. */
/* Some aliases for the SA_ constants. */
# define SA_NOMASK SA_NODEFER
# define SA_ONESHOT SA_RESETHAND
# define SA_STACK SA_ONSTACK
#endif
/* Values for the HOW argument to `sigprocmask'. */
#define SIG_BLOCK 0 /* for blocking signals */
#define SIG_UNBLOCK 1 /* for unblocking signals */
#define SIG_SETMASK 2 /* for setting the signal mask */

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/* sigstack, sigaltstack definitions.
Copyright (C) 1998, 2000 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 2048
/* System default stack size. */
#define SIGSTKSZ 8192
/* Alternate, preferred interface. */
typedef struct sigaltstack
{
__ptr_t ss_sp;
int ss_flags;
size_t ss_size;
} stack_t;

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/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Linux/IA64 specific sigaction
Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
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. */
/* Linux/ia64 only has rt signals, thus we do not even want to try falling
back to the old style signals as the default Linux handler does. */
#include <errno.h>
#include <signal.h>
#include <string.h>
#include <sysdep.h>
#include <sys/syscall.h>
extern int __syscall_rt_sigaction (int, const struct sigaction *,
struct sigaction *, size_t);
/* The variable is shared between all wrappers around signal handling
functions which have RT equivalents. This is the definition. */
/* If ACT is not NULL, change the action for SIG to *ACT.
If OACT is not NULL, put the old action for SIG in *OACT. */
int
__sigaction (sig, act, oact)
int sig;
const struct sigaction *act;
struct sigaction *oact;
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigaction, 4, sig, act, oact, _NSIG / 8);
}
weak_alias (__sigaction, sigaction)

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/* Copyright (C) 1997, 1998, 1999, 2000 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. */
/* Linux/ia64 only has rt signals, thus we do not even want to try falling
back to the old style signals as the default Linux handler does. */
#include <errno.h>
#include <signal.h>
#include <unistd.h>
#include <sysdep.h>
#include <sys/syscall.h>
extern int __syscall_rt_sigpending (sigset_t *, size_t);
/* Change the set of blocked signals to SET,
wait until a signal arrives, and restore the set of blocked signals. */
int
sigpending (set)
sigset_t *set;
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigpending, 2, set, _NSIG / 8);
}

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/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Linux/IA64 specific sigprocmask
Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
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. */
/* Linux/ia64 only has rt signals, thus we do not even want to try falling
back to the old style signals as the default Linux handler does. */
#include <errno.h>
#include <signal.h>
#include <unistd.h>
#include <sysdep.h>
#include <sys/syscall.h>
extern int __syscall_rt_sigprocmask (int, const sigset_t *, sigset_t *,
size_t);
/* Get and/or change the set of blocked signals. */
int
__sigprocmask (how, set, oset)
int how;
const sigset_t *set;
sigset_t *oset;
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigprocmask, 4, how, set, oset, _NSIG / 8);
}
weak_alias (__sigprocmask, sigprocmask)

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/* Copyright (C) 1996, 1997, 1998, 1999, 2000 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. */
#include <errno.h>
#include <signal.h>
#include <unistd.h>
#include <sysdep.h>
#include <sys/syscall.h>
extern int __syscall_rt_sigsuspend (const sigset_t *, size_t);
/* Change the set of blocked signals to SET,
wait until a signal arrives, and restore the set of blocked signals. */
int
__sigsuspend (set)
const sigset_t *set;
{
/* XXX The size argument hopefully will have to be changed to the
real size of the user-level sigset_t. */
return INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8);
}
weak_alias (__sigsuspend, sigsuspend)