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/********************************************************************
* $Author: lindner $
* $Revision: 3.10 $
* $Date: 1996/01/04 18:22:57 $
* $Source: /home/arcwelder/GopherSrc/CVS/gopher+/object/Wait.h,v $
* $State: Exp $
*
* Paul Lindner, University of Minnesota CIS.
*
* Copyright 1991, 1992 by the Regents of the University of Minnesota
* see the file "Copyright" in the distribution for conditions of use.
*********************************************************************
* MODULE: Wait.h
* Routines that portably define waitpid()
*********************************************************************
* Revision History:
* $Log: Wait.h,v $
* Revision 3.10 1996/01/04 18:22:57 lindner
* Updated for autoconf
*
* Revision 3.9 1995/02/06 22:10:13 lindner
* Fix for systems without waitpid and wait3
*
* Revision 3.8 1994/06/29 06:35:52 lindner
* Add sequent to list of machines without waitpid()
* Use POSIX macros if present (Coopersmith)
*
* Revision 3.7 1994/04/14 15:44:22 lindner
* Add Gwaitstatus for VMS
*
* Revision 3.6 1994/04/08 19:15:46 lindner
* Fix for old union wait stuff
*
* Revision 3.5 1994/03/08 03:23:23 lindner
* Waitpid for vms
*
* Revision 3.4 1993/11/02 06:16:58 lindner
* Fix for epix
*
* Revision 3.3 1993/07/20 23:19:41 lindner
* Use waitpid, not wait3
*
* Revision 3.2 1993/05/05 18:40:16 lindner
* Solaris mods
*
* Revision 3.1.1.1 1993/02/11 18:03:04 lindner
* Gopher+1.2beta release
*
* Revision 1.1 1992/12/10 23:27:52 lindner
* gopher 1.1 release
*
*
*********************************************************************/
/*
* A header file to portably include the stuff for doing waitpid() etal
*/
#include "Stdlib.h" /* for pid_t */
#ifdef VMS
# define NO_WAITPID_WAIT3
# include <processes.h>
#endif
#ifdef NO_WAITPID_WAIT3
# define Portawait int
pid_t waitpid();
# define Gwaitstatus(a) (a)
#else
# include <sys/ioctl.h>
# include <sys/wait.h>
# include <signal.h>
/** These don't know what waitpid() is.. Naughty! **/
# if !defined(HAVE_WAITPID) && defined(HAVE_WAIT3)
typedef union wait Portawait;
# define waitpid(a,b,c) wait3(b,c,NULL)
# define Gwaitstatus(a) ((a).w_status)
# else
/*** Everything else mostly does.. ***/
typedef int Portawait;
# if defined(WIFEXITED) && defined(WEXITSTATUS) && defined(WIFSIGNALED) && defined(WTERMSIG)
# define Gwaitstatus(a) (WIFEXITED(a) ? WEXITSTATUS(a) : (WIFSIGNALED(a) ? WTERMSIG(a) : 0))
# else
# define Gwaitstatus(a) (a)
# endif
# endif
#endif /* VMS */
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