macssh/GUSI/include/sys/signal.h

124 lines
4.7 KiB
C
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/*
* Copyright (c) 1982, 1986, 1989, 1991, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* [¤3 Deleted as of 22Jul99, see
* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
* for details]
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)signal.h 8.2 (Berkeley) 1/21/94
*/
/* Adapted for GUSI by Matthias Neeracher <neeri@iis.ee.ethz.ch> */
#ifndef _SYS_SIGNAL_H_
#define _SYS_SIGNAL_H_
#include <sys/cdefs.h>
#define NSIG 32 /* counting 0; could be 33 (mask is 1-32) */
#ifndef _ANSI_SOURCE
#include <machine/signal.h> /* sigcontext; codes for SIGILL, SIGFPE */
#endif
__BEGIN_DECLS
typedef void (*__sig_handler)(int);
__END_DECLS
/* 1 is SIGABRT for MPW and CW */
#define SIGINT 2 /* interrupt */
#define SIGQUIT 3 /* quit */
/* 4 is SIGINT for CW */
#define SIGABRT 6 /* abort() */
#define SIGFPE 8 /* floating point exception */
#define SIGKILL 9 /* kill (cannot be caught or ignored) */
#define SIGSEGV 11 /* segmentation violation */
#define SIGPIPE 13 /* write on a pipe with no one to read it */
#define SIGALRM 14 /* alarm clock */
#define SIGTERM 15 /* software termination signal from kill */
#ifndef _POSIX_SOURCE
#define SIGURG 16 /* urgent condition on IO channel */
#endif
#define SIGSTOP 17 /* sendable stop signal not from tty */
#define SIGTSTP 18 /* stop signal from tty */
#define SIGCONT 19 /* continue a stopped process */
#define SIGCHLD 20 /* to parent on child stop or exit */
#define SIGTTIN 21 /* to readers pgrp upon background tty read */
#define SIGTTOU 22 /* like TTIN for output if (tp->t_local&LTOSTOP) */
#define SIGHUP 24 /* hangup */
#define SIGILL 25 /* illegal instruction (not reset when caught) */
#ifndef _POSIX_SOURCE
#define SIGIO 23 /* input/output possible signal */
#define SIGPROF 27 /* profiling time alarm */
#define SIGWINCH 28 /* window size changes */
#endif
#define SIGUSR1 30 /* user defined signal 1 */
#define SIGUSR2 31 /* user defined signal 2 */
#define SIG_DFL (__sig_handler)0
#define SIG_IGN (__sig_handler)1
#define SIG_ERR (__sig_handler)-1
#ifndef _ANSI_SOURCE
typedef unsigned int sigset_t;
/*
* Signal vector "template" used in sigaction call.
*/
struct sigaction {
__sig_handler sa_handler; /* signal handler */
sigset_t sa_mask; /* signal mask to apply */
int sa_flags; /* see signal options below */
};
#define SA_NOCLDSTOP 0x0008 /* do not generate SIGCHLD on child stop */
#define SA_RESETHAND 0x0001 /* emulate ANSI signals */
#define SA_RESTART 0x0002 /* restart slow system calls */
#define SA_NODEFER 0x0004 /* don't block current signal */
/*
* Flags for sigprocmask:
*/
#define SIG_BLOCK 1 /* block specified signal set */
#define SIG_UNBLOCK 2 /* unblock specified signal set */
#define SIG_SETMASK 3 /* set specified signal set */
#endif /* !_ANSI_SOURCE */
/*
* For historical reasons; programs expect signal's return value to be
* defined by <sys/signal.h>.
*/
__BEGIN_DECLS
__sig_handler signal __P((int, __sig_handler));
__END_DECLS
#endif /* !_SYS_SIGNAL_H_ */