external/ibm-public/postfix/dist/src/util/posix_signals.h

   1 /*      $NetBSD$        */
   2
   3 #ifndef _POSIX_SIGNALS_H_INCLUDED_
   4 #define _POSIX_SIGNALS_H_INCLUDED_
   5 /*++
   6 /* NAME
   7 /*      posix_signals 3h
   8 /* SUMMARY
   9 /*      POSIX signal handling compatibility
  10 /* SYNOPSIS
  11 /*      #include <posix_signals.h>
  12 /* DESCRIPTION
  13 /* .nf
  14
  15  /*
  16   * Compatibility interface.
  17   */
  18
  19 #ifdef MISSING_SIGSET_T
  20
  21 typedef int sigset_t;
  22
  23 enum {
  24     SIG_BLOCK,
  25     SIG_UNBLOCK,
  26     SIG_SETMASK
  27 };
  28
  29 extern int sigemptyset(sigset_t *);
  30 extern int sigaddset(sigset_t *, int);
  31 extern int sigprocmask(int, sigset_t *, sigset_t *);
  32
  33 #endif
  34
  35 #ifdef MISSING_SIGACTION
  36
  37 struct sigaction {
  38     void    (*sa_handler) ();
  39     sigset_t sa_mask;
  40     int     sa_flags;
  41 };
  42
  43  /* Possible values for sa_flags.  Or them to set multiple.  */
  44 enum {
  45     SA_RESTART,
  46     SA_NOCLDSTOP = 4                    /* drop the = 4.  */
  47 };
  48
  49 extern int sigaction(int, struct sigaction *, struct sigaction *);
  50
  51 #endif
  52
  53 /* AUTHOR(S)
  54 /*      Pieter Schoenmakers
  55 /*      Eindhoven University of Technology
  56 /*      P.O. Box 513
  57 /*      5600 MB Eindhoven
  58 /*      The Netherlands
  59 /*--*/
  60
  61 #endif