reactos/drivers/lib/oskittcp/include/freebsd/src/sys/sys/signal.h

   1 /*
   2  * Copyright (c) 1982, 1986, 1989, 1991, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  * (c) UNIX System Laboratories, Inc.
   5  * All or some portions of this file are derived from material licensed
   6  * to the University of California by American Telephone and Telegraph
   7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
   8  * the permission of UNIX System Laboratories, Inc.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  *      @(#)signal.h    8.2 (Berkeley) 1/21/94
  39  */
  40
  41 #ifndef _SYS_SIGNAL_H_
  42 #define _SYS_SIGNAL_H_
  43
  44 #define NSIG    32              /* counting 0; could be 33 (mask is 1-32) */
  45
  46 #ifndef _ANSI_SOURCE
  47 #include <machine/signal.h>     /* sigcontext; codes for SIGILL, SIGFPE */
  48 #endif
  49
  50 #define SIGHUP  1       /* hangup */
  51 #define SIGINT  2       /* interrupt */
  52 #define SIGQUIT 3       /* quit */
  53 #define SIGILL  4       /* illegal instruction (not reset when caught) */
  54 #ifndef _POSIX_SOURCE
  55 #define SIGTRAP 5       /* trace trap (not reset when caught) */
  56 #endif
  57 #define SIGABRT 6       /* abort() */
  58 #ifndef _POSIX_SOURCE
  59 #define SIGIOT  SIGABRT /* compatibility */
  60 #define SIGEMT  7       /* EMT instruction */
  61 #endif
  62 #define SIGFPE  8       /* floating point exception */
  63 #define SIGKILL 9       /* kill (cannot be caught or ignored) */
  64 #ifndef _POSIX_SOURCE
  65 #define SIGBUS  10      /* bus error */
  66 #endif
  67 #define SIGSEGV 11      /* segmentation violation */
  68 #ifndef _POSIX_SOURCE
  69 #define SIGSYS  12      /* bad argument to system call */
  70 #endif
  71 #define SIGPIPE 13      /* write on a pipe with no one to read it */
  72 #define SIGALRM 14      /* alarm clock */
  73 #define SIGTERM 15      /* software termination signal from kill */
  74 #ifndef _POSIX_SOURCE
  75 #define SIGURG  16      /* urgent condition on IO channel */
  76 #endif
  77 #define SIGSTOP 17      /* sendable stop signal not from tty */
  78 #define SIGTSTP 18      /* stop signal from tty */
  79 #define SIGCONT 19      /* continue a stopped process */
  80 #define SIGCHLD 20      /* to parent on child stop or exit */
  81 #define SIGTTIN 21      /* to readers pgrp upon background tty read */
  82 #define SIGTTOU 22      /* like TTIN for output if (tp->t_local&LTOSTOP) */
  83 #ifndef _POSIX_SOURCE
  84 #define SIGIO   23      /* input/output possible signal */
  85 #define SIGXCPU 24      /* exceeded CPU time limit */
  86 #define SIGXFSZ 25      /* exceeded file size limit */
  87 #define SIGVTALRM 26    /* virtual time alarm */
  88 #define SIGPROF 27      /* profiling time alarm */
  89 #define SIGWINCH 28     /* window size changes */
  90 #define SIGINFO 29      /* information request */
  91 #endif
  92 #define SIGUSR1 30      /* user defined signal 1 */
  93 #define SIGUSR2 31      /* user defined signal 2 */
  94
  95 #if defined(_ANSI_SOURCE) || defined(__cplusplus)
  96 /*
  97  * Language spec sez we must list exactly one parameter, even though we
  98  * actually supply three.  Ugh!
  99  */
 100 #define SIG_DFL         (void (*)(int))0
 101 #define SIG_IGN         (void (*)(int))1
 102 #define SIG_ERR         (void (*)(int))-1
 103 #else
 104 #define SIG_DFL         (void (*)())0
 105 #define SIG_IGN         (void (*)())1
 106 #define SIG_ERR         (void (*)())-1
 107 #endif
 108
 109 #ifndef _ANSI_SOURCE
 110 typedef unsigned int sigset_t;
 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  /* restart system on signal return */
 123 #define SA_DISABLE      0x0004  /* disable taking signals on alternate stack */
 124 #ifdef COMPAT_SUNOS
 125 #define SA_USERTRAMP    0x0100  /* do not bounce off kernel's sigtramp */
 126 #endif
 127 #endif
 128 #define SA_NOCLDSTOP    0x0008  /* do not generate SIGCHLD on child stop */
 129
 130 /*
 131  * Flags for sigprocmask:
 132  */
 133 #define SIG_BLOCK       1       /* block specified signal set */
 134 #define SIG_UNBLOCK     2       /* unblock specified signal set */
 135 #define SIG_SETMASK     3       /* set specified signal set */
 136
 137 #ifndef _POSIX_SOURCE
 138 #ifndef KERNEL
 139 #include <sys/cdefs.h>
 140 #endif
 141 typedef void (*sig_t) __P((int));       /* type of signal function */
 142
 143 /*
 144  * Structure used in sigaltstack call.
 145  */
 146 struct  sigaltstack {
 147         char    *ss_sp;                 /* signal stack base */
 148         int     ss_size;                /* signal stack length */
 149         int     ss_flags;               /* SA_DISABLE and/or SA_ONSTACK */
 150 };
 151 #define MINSIGSTKSZ     8192                    /* minimum allowable stack */
 152 #define SIGSTKSZ        (MINSIGSTKSZ + 32768)   /* recommended stack size */
 153
 154 /*
 155  * 4.3 compatibility:
 156  * Signal vector "template" used in sigvec call.
 157  */
 158 struct  sigvec {
 159         void    (*sv_handler)();        /* signal handler */
 160         int     sv_mask;                /* signal mask to apply */
 161         int     sv_flags;               /* see signal options below */
 162 };
 163
 164 #define SV_ONSTACK      SA_ONSTACK
 165 #define SV_INTERRUPT    SA_RESTART      /* same bit, opposite sense */
 166 #define sv_onstack sv_flags     /* isn't compatibility wonderful! */
 167
 168 /*
 169  * Structure used in sigstack call.
 170  */
 171 struct  sigstack {
 172         char    *ss_sp;                 /* signal stack pointer */
 173         int     ss_onstack;             /* current status */
 174 };
 175
 176 /*
 177  * Macro for converting signal number to a mask suitable for
 178  * sigblock().
 179  */
 180 #define sigmask(m)      (1 << ((m)-1))
 181
 182 #define BADSIG          SIG_ERR
 183
 184 #endif  /* !_POSIX_SOURCE */
 185 #endif  /* !_ANSI_SOURCE */
 186
 187 /*
 188  * For historical reasons; programs expect signal's return value to be
 189  * defined by <sys/signal.h>.
 190  */
 191 __BEGIN_DECLS
 192 void    (*signal __P((int, void (*) __P((int))))) __P((int));
 193 __END_DECLS
 194 #endif  /* !_SYS_SIGNAL_H_ */