diff options
author | rgrimes <rgrimes@FreeBSD.org> | 1994-05-24 10:09:53 +0000 |
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committer | rgrimes <rgrimes@FreeBSD.org> | 1994-05-24 10:09:53 +0000 |
commit | 27464aaa8e6ad0a90df705f3dd8ea4c48ffefd04 (patch) | |
tree | 498662170037963c8b911613f2622e38efea4434 /sys/sys/_sigset.h | |
parent | 41dbbe7dea1bb3e50798efb3ea01e967bf27364a (diff) | |
download | FreeBSD-src-27464aaa8e6ad0a90df705f3dd8ea4c48ffefd04.zip FreeBSD-src-27464aaa8e6ad0a90df705f3dd8ea4c48ffefd04.tar.gz |
BSD 4.4 Lite Kernel Sources
Diffstat (limited to 'sys/sys/_sigset.h')
-rw-r--r-- | sys/sys/_sigset.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/sys/sys/_sigset.h b/sys/sys/_sigset.h new file mode 100644 index 0000000..8ccded4 --- /dev/null +++ b/sys/sys/_sigset.h @@ -0,0 +1,194 @@ +/* + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 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 + */ + +#ifndef _SYS_SIGNAL_H_ +#define _SYS_SIGNAL_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 + +#define SIGHUP 1 /* hangup */ +#define SIGINT 2 /* interrupt */ +#define SIGQUIT 3 /* quit */ +#define SIGILL 4 /* illegal instruction (not reset when caught) */ +#ifndef _POSIX_SOURCE +#define SIGTRAP 5 /* trace trap (not reset when caught) */ +#endif +#define SIGABRT 6 /* abort() */ +#ifndef _POSIX_SOURCE +#define SIGIOT SIGABRT /* compatibility */ +#define SIGEMT 7 /* EMT instruction */ +#endif +#define SIGFPE 8 /* floating point exception */ +#define SIGKILL 9 /* kill (cannot be caught or ignored) */ +#ifndef _POSIX_SOURCE +#define SIGBUS 10 /* bus error */ +#endif +#define SIGSEGV 11 /* segmentation violation */ +#ifndef _POSIX_SOURCE +#define SIGSYS 12 /* bad argument to system call */ +#endif +#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<OSTOP) */ +#ifndef _POSIX_SOURCE +#define SIGIO 23 /* input/output possible signal */ +#define SIGXCPU 24 /* exceeded CPU time limit */ +#define SIGXFSZ 25 /* exceeded file size limit */ +#define SIGVTALRM 26 /* virtual time alarm */ +#define SIGPROF 27 /* profiling time alarm */ +#define SIGWINCH 28 /* window size changes */ +#define SIGINFO 29 /* information request */ +#endif +#define SIGUSR1 30 /* user defined signal 1 */ +#define SIGUSR2 31 /* user defined signal 2 */ + +#if defined(_ANSI_SOURCE) || defined(__cplusplus) +/* + * Language spec sez we must list exactly one parameter, even though we + * actually supply three. Ugh! + */ +#define SIG_DFL (void (*)(int))0 +#define SIG_IGN (void (*)(int))1 +#define SIG_ERR (void (*)(int))-1 +#else +#define SIG_DFL (void (*)())0 +#define SIG_IGN (void (*)())1 +#define SIG_ERR (void (*)())-1 +#endif + +#ifndef _ANSI_SOURCE +typedef unsigned int sigset_t; + +/* + * Signal vector "template" used in sigaction call. + */ +struct sigaction { + void (*sa_handler)(); /* signal handler */ + sigset_t sa_mask; /* signal mask to apply */ + int sa_flags; /* see signal options below */ +}; +#ifndef _POSIX_SOURCE +#define SA_ONSTACK 0x0001 /* take signal on signal stack */ +#define SA_RESTART 0x0002 /* restart system on signal return */ +#define SA_DISABLE 0x0004 /* disable taking signals on alternate stack */ +#ifdef COMPAT_SUNOS +#define SA_USERTRAMP 0x0100 /* do not bounce off kernel's sigtramp */ +#endif +#endif +#define SA_NOCLDSTOP 0x0008 /* do not generate SIGCHLD on child stop */ + +/* + * 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 */ + +#ifndef _POSIX_SOURCE +#ifndef KERNEL +#include <sys/cdefs.h> +#endif +typedef void (*sig_t) __P((int)); /* type of signal function */ + +/* + * Structure used in sigaltstack call. + */ +struct sigaltstack { + char *ss_base; /* signal stack base */ + int ss_size; /* signal stack length */ + int ss_flags; /* SA_DISABLE and/or SA_ONSTACK */ +}; +#define MINSIGSTKSZ 8192 /* minimum allowable stack */ +#define SIGSTKSZ (MINSIGSTKSZ + 32768) /* recommended stack size */ + +/* + * 4.3 compatibility: + * Signal vector "template" used in sigvec call. + */ +struct sigvec { + void (*sv_handler)(); /* signal handler */ + int sv_mask; /* signal mask to apply */ + int sv_flags; /* see signal options below */ +}; + +#define SV_ONSTACK SA_ONSTACK +#define SV_INTERRUPT SA_RESTART /* same bit, opposite sense */ +#define sv_onstack sv_flags /* isn't compatibility wonderful! */ + +/* + * Structure used in sigstack call. + */ +struct sigstack { + char *ss_sp; /* signal stack pointer */ + int ss_onstack; /* current status */ +}; + +/* + * Macro for converting signal number to a mask suitable for + * sigblock(). + */ +#define sigmask(m) (1 << ((m)-1)) + +#define BADSIG SIG_ERR + +#endif /* !_POSIX_SOURCE */ +#endif /* !_ANSI_SOURCE */ + +/* + * For historical reasons; programs expect signal's return value to be + * defined by <sys/signal.h>. + */ +__BEGIN_DECLS +void (*signal __P((int, void (*) __P((int))))) __P((int)); +__END_DECLS +#endif /* !_SYS_SIGNAL_H_ */ |