mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-17 18:40:14 +00:00
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/* Copyright (C) 1991, 1992 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, 1992 Free Software Foundation, Inc., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
/* These definitions match those used by the 4.4 BSD kernel.
|
|
If the operating system has a `sigaction' system call that correctly
|
|
implements the POSIX.1 behavior, there should be a system-dependent
|
|
version of this file that defines `struct sigaction' and the `SA_*'
|
|
constants appropriately. */
|
|
|
|
/* Structure describing the action to be taken when a signal arrives. */
|
|
struct sigaction
|
|
{
|
|
/* Signal handler. */
|
|
__sighandler_t sa_handler;
|
|
|
|
/* Additional set of signals to be blocked. */
|
|
__sigset_t sa_mask;
|
|
|
|
/* Special flags. */
|
|
int sa_flags;
|
|
};
|
|
|
|
/* Bits in `sa_flags'. */
|
|
#ifdef __USE_BSD
|
|
#define SA_ONSTACK 0x1 /* Take signal on signal stack. */
|
|
#define SA_RESTART 0x2 /* Don't restart syscall on signal return. */
|
|
#define SA_DISABLE 0x4 /* Disable alternate signal stack. */
|
|
#endif
|
|
#define SA_NOCLDSTOP 0x8 /* Don't send SIGCHLD when children stop. */
|
|
|
|
|
|
/* Values for the HOW argument to `sigprocmask'. */
|
|
#define SIG_BLOCK 1 /* Block signals. */
|
|
#define SIG_UNBLOCK 2 /* Unblock signals. */
|
|
#define SIG_SETMASK 3 /* Set the set of blocked signals. */
|