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