glibc/sysdeps/unix/sysv/linux/bits/sigaction.h
Ulrich Drepper fdacb17d48 Update.
1998-06-29 12:27  Ulrich Drepper  <drepper@cygnus.com>

	* argp/argp.h: Use __PMT instead of __P for function pointer.
	* iconv/gconv.h: Likewise.
	* io/fts.h: Likewise.
	* io/ftw.h: Likewise.
	* libio/libio.h: Likewise.
	* malloc/mcheck.h: Likewise.
	* misc/search.h: Likewise.
	* posix/glob.h: Likewise.
	* resolv/resolv.h: Likewise.
	* signal/signal.h: Likewise.
	* stdlib/stdlib.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/sigaction.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/siginfo.h: Likewise.

1998-06-26  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makeconfig (CPPFLAGS): Use $($(subdir)-CPPFLAGS) only once.

1998-06-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* posix/wordexp.c (parse_param): Fix memory leak.

1998-06-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* libc.map: Export _IO_ftrylockfile.

1998-06-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/aio_sigqueue.c: Use get[pu]id instead of
	__get[pu]id.

1998-06-28  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/dl-misc.c (_dl_debug_message): Don't cache the pid.

	* elf/dl-runtime.c (_dl_object_relocation_scope): Avoid adding the
	same search list twice.

1998-06-29  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* login/programs/utmpd.c (handle_requests): Set and use maximal fd
	used to optimize loop/select.

1998-06-24  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/generic/init-first.c: Don't define __libc_pid.
	* sysdeps/unix/sysv/linux/init-first.c: Likewise.
	* sysdeps/mach/hurd/i386/init-first.c: Likewise.
	* sysdeps/mach/hurd/mips/init-first.c: Likewise.
	* sysdeps/arm/init-first.c: Likewise.
	* posix/getopt_init.c: Don't use __libc_pid.
	* sysdeps/unix/sysv/linux/aio_sigqueue.c: Likewise.
	* sysdeps/unix/sysv/linux/sigqueue.c: Likewise.
	* libc.map: Remove __libc_uid and __libc_pid.
1998-06-29 12:44:22 +00:00

73 lines
2.7 KiB
C

/* The proper definitions for Linux's sigaction.
Copyright (C) 1993, 94, 95, 96, 97, 98 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. */
union
{
/* Used if SA_SIGINFO is not set. */
__sighandler_t sa_handler;
/* Used if SA_SIGINFO is set. */
void (*sa_sigaction) __PMT ((int, siginfo_t *, void *));
}
__sigaction_handler;
#define sa_handler __sigaction_handler.sa_handler
#define sa_sigaction __sigaction_handler.sa_sigaction
/* Additional set of signals to be blocked. */
__sigset_t sa_mask;
/* Special flags. */
int sa_flags;
/* Restore handler. */
void (*sa_restorer) __PMT ((void));
};
/* Bits in `sa_flags'. */
#define SA_NOCLDSTOP 1 /* Don't send SIGCHLD when children stop. */
#define SA_SIGINFO 4 /* Invoke signal-catching function with
three arguments instead of one. */
#if defined __USE_UNIX98 || defined __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 /* Historical 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 /* Block signals. */
#define SIG_UNBLOCK 1 /* Unblock signals. */
#define SIG_SETMASK 2 /* Set the set of blocked signals. */