1*01e196c8SJohn Marino /* NAME: 2*01e196c8SJohn Marino * wait.h - compensate for what vendors leave out 3*01e196c8SJohn Marino * 4*01e196c8SJohn Marino * AUTHOR: 5*01e196c8SJohn Marino * Simon J. Gerraty <sjg@crufty.net> 6*01e196c8SJohn Marino */ 7*01e196c8SJohn Marino /* 8*01e196c8SJohn Marino * RCSid: 9*01e196c8SJohn Marino * $Id: wait.h,v 1.6 2002/11/26 07:53:06 sjg Exp $ 10*01e196c8SJohn Marino * 11*01e196c8SJohn Marino * @(#)Copyright (c) 1994, Simon J. Gerraty. 12*01e196c8SJohn Marino * 13*01e196c8SJohn Marino * This is free software. It comes with NO WARRANTY. 14*01e196c8SJohn Marino * Permission to use, modify and distribute this source code 15*01e196c8SJohn Marino * is granted subject to the following conditions. 16*01e196c8SJohn Marino * 1/ that the above copyright notice and this notice 17*01e196c8SJohn Marino * are preserved in all copies and that due credit be given 18*01e196c8SJohn Marino * to the author. 19*01e196c8SJohn Marino * 2/ that any changes to this code are clearly commented 20*01e196c8SJohn Marino * as such so that the author does not get blamed for bugs 21*01e196c8SJohn Marino * other than his own. 22*01e196c8SJohn Marino * 23*01e196c8SJohn Marino * Please send copies of changes and bug-fixes to: 24*01e196c8SJohn Marino * sjg@crufty.net 25*01e196c8SJohn Marino */ 26*01e196c8SJohn Marino 27*01e196c8SJohn Marino #include <sys/wait.h> 28*01e196c8SJohn Marino 29*01e196c8SJohn Marino #ifdef sun386 30*01e196c8SJohn Marino # define UNION_WAIT 31*01e196c8SJohn Marino # define WEXITSTATUS(x) ((&x)->w_retcode) 32*01e196c8SJohn Marino # define WTERMSIG(x) ((&x)->w_termsig) 33*01e196c8SJohn Marino # define WSTOPSIG(x) ((&x)->w_stopsig) 34*01e196c8SJohn Marino # define HAVE_WAIT4 35*01e196c8SJohn Marino #endif 36*01e196c8SJohn Marino 37*01e196c8SJohn Marino #ifndef WAIT_T 38*01e196c8SJohn Marino # ifdef UNION_WAIT 39*01e196c8SJohn Marino # define WAIT_T union wait 40*01e196c8SJohn Marino # define WAIT_STATUS(x) (x).w_status 41*01e196c8SJohn Marino # else 42*01e196c8SJohn Marino # define WAIT_T int 43*01e196c8SJohn Marino # define WAIT_STATUS(x) x 44*01e196c8SJohn Marino # endif 45*01e196c8SJohn Marino #endif 46*01e196c8SJohn Marino 47*01e196c8SJohn Marino #ifndef WEXITSTATUS 48*01e196c8SJohn Marino # define WEXITSTATUS(_X) (((int)(_X)>>8)&0377) 49*01e196c8SJohn Marino #endif 50*01e196c8SJohn Marino #ifndef WSTOPPED 51*01e196c8SJohn Marino # define WSTOPPED 0177 52*01e196c8SJohn Marino #endif 53*01e196c8SJohn Marino #ifndef WSTOPSIG 54*01e196c8SJohn Marino # define WSTOPSIG(x) WSTOPPED 55*01e196c8SJohn Marino #endif 56*01e196c8SJohn Marino 57*01e196c8SJohn Marino #ifdef UNION_WAIT 58*01e196c8SJohn Marino #ifndef WSET_STOPCODE 59*01e196c8SJohn Marino #define WSET_STOPCODE(x, sig) ((&x)->w_stopsig = (sig)) 60*01e196c8SJohn Marino #endif 61*01e196c8SJohn Marino #ifndef WSET_EXITCODE 62*01e196c8SJohn Marino #define WSET_EXITCODE(x, ret, sig) ((&x)->w_termsig = (sig), (&x)->w_retcode = (ret)) 63*01e196c8SJohn Marino #endif 64*01e196c8SJohn Marino #else 65*01e196c8SJohn Marino #ifndef WSET_STOPCODE 66*01e196c8SJohn Marino #define WSET_STOPCODE(x, sig) ((x) = ((sig) << 8) | 0177) 67*01e196c8SJohn Marino #endif 68*01e196c8SJohn Marino #ifndef WSET_EXITCODE 69*01e196c8SJohn Marino #define WSET_EXITCODE(x, ret, sig) ((x) = (ret << 8) | (sig)) 70*01e196c8SJohn Marino #endif 71*01e196c8SJohn Marino #endif 72*01e196c8SJohn Marino 73*01e196c8SJohn Marino #ifndef HAVE_WAITPID 74*01e196c8SJohn Marino # ifdef HAVE_WAIT4 75*01e196c8SJohn Marino # define waitpid(pid, statusp, flags) wait4(pid, statusp, flags, (char *)0) 76*01e196c8SJohn Marino # else 77*01e196c8SJohn Marino # ifdef HAVE_WAIT3 78*01e196c8SJohn Marino # define waitpid(pid, statusp, flags) wait3(statusp, flags, (char *)0) 79*01e196c8SJohn Marino # endif 80*01e196c8SJohn Marino # endif 81*01e196c8SJohn Marino #endif 82