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Annotation of sys/compat/freebsd/freebsd_signal.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: freebsd_signal.h,v 1.3 2003/06/02 23:28:00 millert Exp $      */
                      2: /*     $NetBSD: signal.h,v 1.42 1998/12/21 10:35:00 drochner Exp $     */
                      3:
                      4: /*
                      5:  * Copyright (c) 1982, 1986, 1989, 1991, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  * (c) UNIX System Laboratories, Inc.
                      8:  * All or some portions of this file are derived from material licensed
                      9:  * to the University of California by American Telephone and Telegraph
                     10:  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
                     11:  * the permission of UNIX System Laboratories, Inc.
                     12:  *
                     13:  * Redistribution and use in source and binary forms, with or without
                     14:  * modification, are permitted provided that the following conditions
                     15:  * are met:
                     16:  * 1. Redistributions of source code must retain the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer.
                     18:  * 2. Redistributions in binary form must reproduce the above copyright
                     19:  *    notice, this list of conditions and the following disclaimer in the
                     20:  *    documentation and/or other materials provided with the distribution.
                     21:  * 3. Neither the name of the University nor the names of its contributors
                     22:  *    may be used to endorse or promote products derived from this software
                     23:  *    without specific prior written permission.
                     24:  *
                     25:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     26:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     27:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     28:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     29:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     30:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     31:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     32:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     33:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     34:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     35:  * SUCH DAMAGE.
                     36:  *
                     37:  *     @(#)signal.h    8.4 (Berkeley) 5/4/95
                     38:  */
                     39:
                     40: #ifndef        _FREEBSD_SYS_SIGNAL_H_
                     41: #define        _FREEBSD_SYS_SIGNAL_H_
                     42:
                     43: typedef struct {
                     44:        u_int32_t       __bits[4];
                     45: } freebsd_sigset_t;
                     46:
                     47: union freebsd_sigval {
                     48:     /* Members as suggested by Annex C of POSIX 1003.1b. */
                     49:     int     freebsd_sigval_int;
                     50:     void    *freebsd_sigval_ptr;
                     51: };
                     52:
                     53: typedef struct __freebsd_siginfo {
                     54:     int     freebsd_si_signo;               /* signal number */
                     55:     int     freebsd_si_errno;               /* errno association */
                     56:     /*
                     57:      * Cause of signal, one of the SI_ macros or signal-specific
                     58:      * values, i.e. one of the FPE_... values for SIGFPE. This
                     59:      * value is equivalent to the second argument to an old-style
                     60:      * FreeBSD signal handler.
                     61:      */
                     62:     int     freebsd_si_code;                /* signal code */
                     63:     int     freebsd_si_pid;                 /* sending process */
                     64:     unsigned int freebsd_si_uid;            /* sender's ruid */
                     65:     int     freebsd_si_status;              /* exit value */
                     66:     void    *freebsd_si_addr;               /* faulting instruction */
                     67:     union freebsd_sigval freebsd_si_value;  /* signal value */
                     68:     long    freebsd_si_band;                /* band event for SIGPOLL */
                     69:     int     __spare__[7];                   /* gimme some slack */
                     70: } freebsd_siginfo_t;
                     71:
                     72: /*
                     73:  * Signal vector "template" used in sigaction call.
                     74:  */
                     75: struct freebsd_sigaction {
                     76:     union {
                     77:        void    (*__freebsd_sa_handler)(int);
                     78:        void    (*__freebsd_sa_sigaction)(int, struct __freebsd_siginfo *, void *);
                     79:     } __freebsd_sigaction_u;                /* signal handler */
                     80:     int     freebsd_sa_flags;               /* see signal options below */
                     81:     freebsd_sigset_t freebsd_sa_mask;               /* signal mask to apply */
                     82: };
                     83: #define freebsd_sa_handler     __freebsd_sigaction_u.__freebsd_sa_handler
                     84: #define freebsd_sa_sigaction   __freebsd_sigaction_u.__freebsd_sa_sigaction
                     85:
                     86: #endif /* !_FREEBSD_SYS_SIGNAL_H_ */