Return to signal.h CVS log

Up to [Net/2] / Net2 / sys

Annotation of Net2/sys/signal.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  *
        !            33:  *     @(#)signal.h    7.16 (Berkeley) 3/17/91
        !            34:  */
        !            35: 
        !            36: #ifndef        _SIGNAL_H_
        !            37: #define        _SIGNAL_H_
        !            38: 
        !            39: #define NSIG   32              /* counting 0; could be 33 (mask is 1-32) */
        !            40: 
        !            41: #ifndef _POSIX_SOURCE
        !            42: #include <machine/trap.h>      /* codes for SIGILL, SIGFPE */
        !            43: #endif /* _POSIX_SOURCE */
        !            44: 
        !            45: #define        SIGHUP  1       /* hangup */
        !            46: #define        SIGINT  2       /* interrupt */
        !            47: #define        SIGQUIT 3       /* quit */
        !            48: #define        SIGILL  4       /* illegal instruction (not reset when caught) */
        !            49: #ifndef _POSIX_SOURCE
        !            50: #define        SIGTRAP 5       /* trace trap (not reset when caught) */
        !            51: #endif
        !            52: #define        SIGABRT 6       /* abort() */
        !            53: #ifndef _POSIX_SOURCE
        !            54: #define        SIGIOT  SIGABRT /* compatibility */
        !            55: #define        SIGEMT  7       /* EMT instruction */
        !            56: #endif
        !            57: #define        SIGFPE  8       /* floating point exception */
        !            58: #define        SIGKILL 9       /* kill (cannot be caught or ignored) */
        !            59: #ifndef _POSIX_SOURCE
        !            60: #define        SIGBUS  10      /* bus error */
        !            61: #endif
        !            62: #define        SIGSEGV 11      /* segmentation violation */
        !            63: #ifndef _POSIX_SOURCE
        !            64: #define        SIGSYS  12      /* bad argument to system call */
        !            65: #endif
        !            66: #define        SIGPIPE 13      /* write on a pipe with no one to read it */
        !            67: #define        SIGALRM 14      /* alarm clock */
        !            68: #define        SIGTERM 15      /* software termination signal from kill */
        !            69: #ifndef _POSIX_SOURCE
        !            70: #define        SIGURG  16      /* urgent condition on IO channel */
        !            71: #endif
        !            72: #define        SIGSTOP 17      /* sendable stop signal not from tty */
        !            73: #define        SIGTSTP 18      /* stop signal from tty */
        !            74: #define        SIGCONT 19      /* continue a stopped process */
        !            75: #define        SIGCHLD 20      /* to parent on child stop or exit */
        !            76: #define        SIGTTIN 21      /* to readers pgrp upon background tty read */
        !            77: #define        SIGTTOU 22      /* like TTIN for output if (tp->t_local&LTOSTOP) */
        !            78: #ifndef _POSIX_SOURCE
        !            79: #define        SIGIO   23      /* input/output possible signal */
        !            80: #define        SIGXCPU 24      /* exceeded CPU time limit */
        !            81: #define        SIGXFSZ 25      /* exceeded file size limit */
        !            82: #define        SIGVTALRM 26    /* virtual time alarm */
        !            83: #define        SIGPROF 27      /* profiling time alarm */
        !            84: #define SIGWINCH 28    /* window size changes */
        !            85: #define SIGINFO        29      /* information request */
        !            86: #endif
        !            87: #define SIGUSR1 30     /* user defined signal 1 */
        !            88: #define SIGUSR2 31     /* user defined signal 2 */
        !            89: 
        !            90: #include <sys/cdefs.h>
        !            91: 
        !            92: #ifndef _POSIX_SOURCE
        !            93: typedef        void (*sig_t) __P((int));
        !            94: #endif
        !            95: 
        !            96: typedef unsigned int sigset_t;
        !            97: 
        !            98: __BEGIN_DECLS
        !            99: int    sigaddset __P((sigset_t *, int));
        !           100: int    sigdelset __P((sigset_t *, int));
        !           101: int    sigemptyset __P((sigset_t *));
        !           102: int    sigfillset __P((sigset_t *));
        !           103: int    sigismember __P((const sigset_t *, int));
        !           104: __END_DECLS
        !           105: 
        !           106: #define sigemptyset(set)       ( *(set) = 0 )
        !           107: #define sigfillset(set)                ( *(set) = ~(sigset_t)0, 0 )
        !           108: #define sigaddset(set, signo)  ( *(set) |= 1 << ((signo) - 1), 0)
        !           109: #define sigdelset(set, signo)  ( *(set) &= ~(1 << ((signo) - 1)), 0)
        !           110: #define sigismember(set, signo)        ( (*(set) & (1 << ((signo) - 1))) != 0)
        !           111: 
        !           112: /*
        !           113:  * Signal vector "template" used in sigaction call.
        !           114:  */
        !           115: struct sigaction {
        !           116:        void    (*sa_handler)();        /* signal handler */
        !           117:        sigset_t sa_mask;               /* signal mask to apply */
        !           118:        int     sa_flags;               /* see signal options below */
        !           119: };
        !           120: #ifndef _POSIX_SOURCE
        !           121: #define SA_ONSTACK     0x0001  /* take signal on signal stack */
        !           122: #define SA_RESTART     0x0002  /* do not restart system on signal return */
        !           123: #endif
        !           124: #define SA_NOCLDSTOP   0x0004  /* do not generate SIGCHLD on child stop */
        !           125: 
        !           126: /*
        !           127:  * Flags for sigprocmask:
        !           128:  */
        !           129: #define        SIG_BLOCK       1       /* block specified signal set */
        !           130: #define        SIG_UNBLOCK     2       /* unblock specified signal set */
        !           131: #define        SIG_SETMASK     3       /* set specified signal set */
        !           132: 
        !           133: #ifndef _POSIX_SOURCE
        !           134: /*
        !           135:  * 4.3 compatibility:
        !           136:  * Signal vector "template" used in sigvec call.
        !           137:  */
        !           138: struct sigvec {
        !           139:        void    (*sv_handler)();        /* signal handler */
        !           140:        int     sv_mask;                /* signal mask to apply */
        !           141:        int     sv_flags;               /* see signal options below */
        !           142: };
        !           143: #define SV_ONSTACK     SA_ONSTACK
        !           144: #define SV_INTERRUPT   SA_RESTART      /* same bit, opposite sense */
        !           145: #define sv_onstack sv_flags    /* isn't compatibility wonderful! */
        !           146: 
        !           147: /*
        !           148:  * Structure used in sigaltstack call.
        !           149:  */
        !           150: struct sigaltstack {
        !           151:        char    *ss_base;               /* signal stack base */
        !           152:        int     ss_len;                 /* signal stack length */
        !           153:        int     ss_onstack;             /* current status */
        !           154: };
        !           155: 
        !           156: /*
        !           157:  * Structure used in sigstack call.
        !           158:  */
        !           159: struct sigstack {
        !           160:        char    *ss_sp;                 /* signal stack pointer */
        !           161:        int     ss_onstack;             /* current status */
        !           162: };
        !           163: 
        !           164: /*
        !           165:  * Information pushed on stack when a signal is delivered.
        !           166:  * This is used by the kernel to restore state following
        !           167:  * execution of the signal handler.  It is also made available
        !           168:  * to the handler to allow it to restore state properly if
        !           169:  * a non-standard exit is performed.
        !           170:  */
        !           171: struct sigcontext {
        !           172:        int     sc_onstack;             /* sigstack state to restore */
        !           173:        int     sc_mask;                /* signal mask to restore */
        !           174:        int     sc_sp;                  /* sp to restore */
        !           175:        int     sc_fp;                  /* fp to restore */
        !           176:        int     sc_ap;                  /* ap to restore */
        !           177:        int     sc_pc;                  /* pc to restore */
        !           178:        int     sc_ps;                  /* psl to restore */
        !           179: };
        !           180: 
        !           181: /*
        !           182:  * Macro for converting signal number to a mask suitable for
        !           183:  * sigblock().
        !           184:  */
        !           185: #define sigmask(m)     (1 << ((m)-1))
        !           186: 
        !           187: #define        BADSIG          (void (*)())-1
        !           188: #endif /* _POSIX_SOURCE */
        !           189: 
        !           190: #define        SIG_DFL         (void (*)())0
        !           191: #define        SIG_IGN         (void (*)())1
        !           192: 
        !           193: #ifndef KERNEL
        !           194: #include <sys/types.h>
        !           195: 
        !           196: __BEGIN_DECLS
        !           197: void   (*signal __P((int, void (*) __P((int))))) __P((int));
        !           198: int    raise __P((int));
        !           199: #ifndef        _ANSI_SOURCE
        !           200: int    kill __P((pid_t, int));
        !           201: int    sigaction __P((int, const struct sigaction *, struct sigaction *));
        !           202: int    sigpending __P((sigset_t *));
        !           203: int    sigprocmask __P((int, const sigset_t *, sigset_t *));
        !           204: int    sigsuspend __P((const sigset_t *));
        !           205: #endif /* !_ANSI_SOURCE */
        !           206: #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
        !           207: int    killpg __P((pid_t, int));
        !           208: void   psignal __P((unsigned, const char *));
        !           209: int    sigblock __P((int));
        !           210: int    siginterrupt __P((int, int));
        !           211: int    sigpause __P((int));
        !           212: int    sigreturn __P((struct sigcontext *));
        !           213: int    sigsetmask __P((int));
        !           214: int    sigstack __P((const struct sigstack *, struct sigstack *));
        !           215: int    sigvec __P((int, struct sigvec *, struct sigvec *));
        !           216: #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
        !           217: __END_DECLS
        !           218: 
        !           219: #endif /* !KERNEL */
        !           220: #endif /* !_SIGNAL_H_ */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.