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Diffstat (limited to 'c/src/exec/libnetworking/sys/signalvar.h')
| -rw-r--r-- | c/src/exec/libnetworking/sys/signalvar.h | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/c/src/exec/libnetworking/sys/signalvar.h b/c/src/exec/libnetworking/sys/signalvar.h deleted file mode 100644 index 8900458fdb..0000000000 --- a/c/src/exec/libnetworking/sys/signalvar.h +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * 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. - * - * @(#)signalvar.h 8.6 (Berkeley) 2/19/95 - * $Id$ - */ - -#ifndef _SYS_SIGNALVAR_H_ /* tmp for user.h */ -#define _SYS_SIGNALVAR_H_ - -/* - * Kernel signal definitions and data structures, - * not exported to user programs. - */ - -/* - * Process signal actions and state, needed only within the process - * (not necessarily resident). - */ -struct sigacts { - sig_t ps_sigact[NSIG]; /* disposition of signals */ - sigset_t ps_catchmask[NSIG]; /* signals to be blocked */ - sigset_t ps_sigonstack; /* signals to take on sigstack */ - sigset_t ps_sigintr; /* signals that interrupt syscalls */ - sigset_t ps_sigreset; /* signals that reset when caught */ - sigset_t ps_signodefer; /* signals not masked while handled */ - sigset_t ps_oldmask; /* saved mask from before sigpause */ - int ps_flags; /* signal flags, below */ - struct sigaltstack ps_sigstk; /* sp & on stack state variable */ - int ps_sig; /* for core dump/debugger XXX */ - u_long ps_code; /* for core dump/debugger XXX */ - sigset_t ps_usertramp; /* SunOS compat; libc sigtramp XXX */ -}; - -/* signal flags */ -#define SAS_OLDMASK 0x01 /* need to restore mask before pause */ -#define SAS_ALTSTACK 0x02 /* have alternate signal stack */ - -/* additional signal action values, used only temporarily/internally */ -#define SIG_CATCH ((__sighandler_t *)2) -#define SIG_HOLD ((__sighandler_t *)3) - -/* - * get signal action for process and signal; currently only for current process - */ -#define SIGACTION(p, sig) (p->p_sigacts->ps_sigact[(sig)]) - -/* - * Determine signal that should be delivered to process p, the current - * process, 0 if none. If there is a pending stop signal with default - * action, the process stops in issignal(). - */ -#define CURSIG(p) \ - (((p)->p_siglist == 0 || \ - (((p)->p_flag & P_TRACED) == 0 && \ - ((p)->p_siglist & ~(p)->p_sigmask) == 0)) ? \ - 0 : issignal(p)) - -/* - * Clear a pending signal from a process. - */ -#define CLRSIG(p, sig) { (p)->p_siglist &= ~sigmask(sig); } - -/* - * Signal properties and actions. - * The array below categorizes the signals and their default actions - * according to the following properties: - */ -#define SA_KILL 0x01 /* terminates process by default */ -#define SA_CORE 0x02 /* ditto and coredumps */ -#define SA_STOP 0x04 /* suspend process */ -#define SA_TTYSTOP 0x08 /* ditto, from tty */ -#define SA_IGNORE 0x10 /* ignore by default */ -#define SA_CONT 0x20 /* continue if suspended */ -#define SA_CANTMASK 0x40 /* non-maskable, catchable */ - -#ifdef SIGPROP -static int sigprop[NSIG + 1] = { - 0, /* unused */ - SA_KILL, /* SIGHUP */ - SA_KILL, /* SIGINT */ - SA_KILL|SA_CORE, /* SIGQUIT */ - SA_KILL|SA_CORE, /* SIGILL */ - SA_KILL|SA_CORE, /* SIGTRAP */ - SA_KILL|SA_CORE, /* SIGABRT */ - SA_KILL|SA_CORE, /* SIGEMT */ - SA_KILL|SA_CORE, /* SIGFPE */ - SA_KILL, /* SIGKILL */ - SA_KILL|SA_CORE, /* SIGBUS */ - SA_KILL|SA_CORE, /* SIGSEGV */ - SA_KILL|SA_CORE, /* SIGSYS */ - SA_KILL, /* SIGPIPE */ - SA_KILL, /* SIGALRM */ - SA_KILL, /* SIGTERM */ - SA_IGNORE, /* SIGURG */ - SA_STOP, /* SIGSTOP */ - SA_STOP|SA_TTYSTOP, /* SIGTSTP */ - SA_IGNORE|SA_CONT, /* SIGCONT */ - SA_IGNORE, /* SIGCHLD */ - SA_STOP|SA_TTYSTOP, /* SIGTTIN */ - SA_STOP|SA_TTYSTOP, /* SIGTTOU */ - SA_IGNORE, /* SIGIO */ - SA_KILL, /* SIGXCPU */ - SA_KILL, /* SIGXFSZ */ - SA_KILL, /* SIGVTALRM */ - SA_KILL, /* SIGPROF */ - SA_IGNORE, /* SIGWINCH */ - SA_IGNORE, /* SIGINFO */ - SA_KILL, /* SIGUSR1 */ - SA_KILL, /* SIGUSR2 */ -}; - -#define contsigmask (sigmask(SIGCONT)) -#define stopsigmask (sigmask(SIGSTOP) | sigmask(SIGTSTP) | \ - sigmask(SIGTTIN) | sigmask(SIGTTOU)) - -#endif /* SIGPROP */ - -#define sigcantmask (sigmask(SIGKILL) | sigmask(SIGSTOP)) - -#ifdef KERNEL -/* - * Machine-independent functions: - */ -void execsigs __P((struct proc *p)); -void gsignal __P((int pgid, int sig)); -int issignal __P((struct proc *p)); -void killproc __P((struct proc *p, char *why)); -void pgsignal __P((struct pgrp *pgrp, int sig, int checkctty)); -void postsig __P((int sig)); -void psignal __P((struct proc *p, int sig)); -void setsigvec __P((struct proc *p, int signum, struct sigaction *sa)); -void sigexit __P((struct proc *p, int signum)); -void siginit __P((struct proc *p)); -void trapsignal __P((struct proc *p, int sig, u_long code)); - -/* - * Machine-dependent functions: - */ -void sendsig __P((sig_t action, int sig, int returnmask, u_long code)); -#endif /* KERNEL */ -#endif /* !_SYS_SIGNALVAR_H_ */ |