FreeBSD/Linux Kernel Cross Reference
sys/compat/svr4/svr4_signal.h

     /*      $NetBSD: svr4_signal.h,v 1.31 2008/04/28 20:23:45 martin Exp $   */
     
     /*-
      * Copyright (c) 1994 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Christos Zoulas.
      *
     * 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
     */
    
    #ifndef _SVR4_SIGNAL_H_
    #define _SVR4_SIGNAL_H_
    
    #include <compat/svr4/svr4_siginfo.h>
    
    #define SVR4_SIGHUP      1
    #define SVR4_SIGINT      2
    #define SVR4_SIGQUIT     3
    #define SVR4_SIGILL      4
    #define SVR4_SIGTRAP     5
    #define SVR4_SIGIOT      6
    #define SVR4_SIGABRT     6
    #define SVR4_SIGEMT      7
    #define SVR4_SIGFPE      8
    #define SVR4_SIGKILL     9
    #define SVR4_SIGBUS     10
    #define SVR4_SIGSEGV    11
    #define SVR4_SIGSYS     12
    #define SVR4_SIGPIPE    13
    #define SVR4_SIGALRM    14
    #define SVR4_SIGTERM    15
    #define SVR4_SIGUSR1    16
    #define SVR4_SIGUSR2    17
    #define SVR4_SIGCLD     18
    #define SVR4_SIGCHLD    18
    #define SVR4_SIGPWR     19
    #define SVR4_SIGWINCH   20
    #define SVR4_SIGURG     21
    #define SVR4_SIGPOLL    22
    #define SVR4_SIGIO      22
    #define SVR4_SIGSTOP    23
    #define SVR4_SIGTSTP    24
    #define SVR4_SIGCONT    25
    #define SVR4_SIGTTIN    26
    #define SVR4_SIGTTOU    27
    #define SVR4_SIGVTALRM  28
    #define SVR4_SIGPROF    29
    #define SVR4_SIGXCPU    30
    #define SVR4_SIGXFSZ    31
    
    #define SVR4_SIGRTMIN   32
    #define SVR4_SIGRTMAX   63
    #define SVR4_NSIG       64
    
    #define SVR4_SIGNO_MASK         0x00FF
    #define SVR4_SIGNAL_MASK        0x0000
    #define SVR4_SIGDEFER_MASK      0x0100
    #define SVR4_SIGHOLD_MASK       0x0200
    #define SVR4_SIGRELSE_MASK      0x0400
    #define SVR4_SIGIGNORE_MASK     0x0800
    #define SVR4_SIGPAUSE_MASK      0x1000
    
    typedef void (*svr4_sig_t)(int, svr4_siginfo_t *, void *);
    #define SVR4_SIG_DFL    (svr4_sig_t)     0
    #define SVR4_SIG_ERR    (svr4_sig_t)    -1
    #define SVR4_SIG_IGN    (svr4_sig_t)     1
    #define SVR4_SIG_HOLD   (svr4_sig_t)     2
    
    #define SVR4_SIGNO(a)   ((a) & SVR4_SIGNO_MASK)
    #define SVR4_SIGCALL(a) ((a) & ~SVR4_SIGNO_MASK)
    
    #define SVR4_SIG_BLOCK          1
    #define SVR4_SIG_UNBLOCK        2
    #define SVR4_SIG_SETMASK        3
    
    typedef struct {
            u_long bits[4];
    } svr4_sigset_t;
   
   struct svr4_sigaction {
           int             svr4_sa_flags;
           svr4_sig_t      svr4_sa_handler;
           svr4_sigset_t   svr4_sa_mask;
           int             svr4_sa_reserved[2];
   };
   
   /* sa_flags */
   #define SVR4_SA_ONSTACK         0x00000001
   #define SVR4_SA_RESETHAND       0x00000002
   #define SVR4_SA_RESTART         0x00000004
   #define SVR4_SA_SIGINFO         0x00000008
   #define SVR4_SA_NODEFER         0x00000010
   #define SVR4_SA_NOCLDWAIT       0x00010000      /* No zombies   */
   #define SVR4_SA_NOCLDSTOP       0x00020000      /* No jcl       */
   #define SVR4_SA_ALLBITS         0x0003001f
   
   struct svr4_sigaltstack {
           char            *ss_sp;
           int             ss_size;
           int             ss_flags;
   };
   
   /* ss_flags */
   #define SVR4_SS_ONSTACK         0x00000001
   #define SVR4_SS_DISABLE         0x00000002
   #define SVR4_SS_ALLBITS         0x00000003
   
   extern const int native_to_svr4_signo[];
   extern const int svr4_to_native_signo[];
   void native_to_svr4_sigset(const sigset_t *, svr4_sigset_t *);
   void svr4_to_native_sigset(const svr4_sigset_t *, sigset_t *);
   void native_to_svr4_sigaltstack(const struct sigaltstack *, struct svr4_sigaltstack *);
   void svr4_to_native_sigaltstack(const struct svr4_sigaltstack *, struct sigaltstack *);
   void svr4_sendsig(const struct ksiginfo *, const sigset_t *);
   
   /* sys_context() function codes */
   #define SVR4_GETCONTEXT         0
   #define SVR4_SETCONTEXT         1
   
   #endif /* !_SVR4_SIGNAL_H_ */

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