1/* NAME: 2 * wait.h - compensate for what vendors leave out 3 * 4 * AUTHOR: 5 * Simon J. Gerraty <sjg@crufty.net> 6 */ 7/* 8 * RCSid: 9 * $Id: wait.h,v 1.6 2002/11/26 07:53:06 sjg Exp $ 10 * 11 * @(#)Copyright (c) 1994, Simon J. Gerraty. 12 * 13 * This is free software. It comes with NO WARRANTY. 14 * Permission to use, modify and distribute this source code 15 * is granted subject to the following conditions. 16 * 1/ that the above copyright notice and this notice 17 * are preserved in all copies and that due credit be given 18 * to the author. 19 * 2/ that any changes to this code are clearly commented 20 * as such so that the author does not get blamed for bugs 21 * other than his own. 22 * 23 * Please send copies of changes and bug-fixes to: 24 * sjg@crufty.net 25 */ 26 27#include <sys/wait.h> 28 29#ifdef sun386 30# define UNION_WAIT 31# define WEXITSTATUS(x) ((&x)->w_retcode) 32# define WTERMSIG(x) ((&x)->w_termsig) 33# define WSTOPSIG(x) ((&x)->w_stopsig) 34# define HAVE_WAIT4 35#endif 36 37#ifndef WAIT_T 38# ifdef UNION_WAIT 39# define WAIT_T union wait 40# define WAIT_STATUS(x) (x).w_status 41# else 42# define WAIT_T int 43# define WAIT_STATUS(x) x 44# endif 45#endif 46 47#ifndef WEXITSTATUS 48# define WEXITSTATUS(_X) (((int)(_X)>>8)&0377) 49#endif 50#ifndef WSTOPPED 51# define WSTOPPED 0177 52#endif 53#ifndef WSTOPSIG 54# define WSTOPSIG(x) WSTOPPED 55#endif 56 57#ifdef UNION_WAIT 58#ifndef WSET_STOPCODE 59#define WSET_STOPCODE(x, sig) ((&x)->w_stopsig = (sig)) 60#endif 61#ifndef WSET_EXITCODE 62#define WSET_EXITCODE(x, ret, sig) ((&x)->w_termsig = (sig), (&x)->w_retcode = (ret)) 63#endif 64#else 65#ifndef WSET_STOPCODE 66#define WSET_STOPCODE(x, sig) ((x) = ((sig) << 8) | 0177) 67#endif 68#ifndef WSET_EXITCODE 69#define WSET_EXITCODE(x, ret, sig) ((x) = (ret << 8) | (sig)) 70#endif 71#endif 72 73#ifndef HAVE_WAITPID 74# ifdef HAVE_WAIT4 75# define waitpid(pid, statusp, flags) wait4(pid, statusp, flags, (char *)0) 76# else 77# ifdef HAVE_WAIT3 78# define waitpid(pid, statusp, flags) wait3(statusp, flags, (char *)0) 79# endif 80# endif 81#endif 82