tc.wait.h revision 69408
169408Sache/* $Header: /src/pub/tcsh/tc.wait.h,v 3.11 2000/11/11 23:03:39 christos Exp $ */ 259243Sobrien/* 359243Sobrien * tc.wait.h: <sys/wait.h> for machines that don't have it or have it and 459243Sobrien * is incorrect. 559243Sobrien */ 659243Sobrien/*- 759243Sobrien * Copyright (c) 1980, 1991 The Regents of the University of California. 859243Sobrien * All rights reserved. 959243Sobrien * 1059243Sobrien * Redistribution and use in source and binary forms, with or without 1159243Sobrien * modification, are permitted provided that the following conditions 1259243Sobrien * are met: 1359243Sobrien * 1. Redistributions of source code must retain the above copyright 1459243Sobrien * notice, this list of conditions and the following disclaimer. 1559243Sobrien * 2. Redistributions in binary form must reproduce the above copyright 1659243Sobrien * notice, this list of conditions and the following disclaimer in the 1759243Sobrien * documentation and/or other materials provided with the distribution. 1859243Sobrien * 3. All advertising materials mentioning features or use of this software 1959243Sobrien * must display the following acknowledgement: 2059243Sobrien * This product includes software developed by the University of 2159243Sobrien * California, Berkeley and its contributors. 2259243Sobrien * 4. Neither the name of the University nor the names of its contributors 2359243Sobrien * may be used to endorse or promote products derived from this software 2459243Sobrien * without specific prior written permission. 2559243Sobrien * 2659243Sobrien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2759243Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2859243Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2959243Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 3059243Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3159243Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3259243Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3359243Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3459243Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3559243Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3659243Sobrien * SUCH DAMAGE. 3759243Sobrien */ 3859243Sobrien#ifndef _h_tc_wait 3959243Sobrien#define _h_tc_wait 4059243Sobrien 4159243Sobrien/* 4259243Sobrien * a little complicated #include <sys/wait.h>! :-( 4359243Sobrien * We try to use the system's wait.h when we can... 4459243Sobrien */ 4559243Sobrien 4659243Sobrien#if SYSVREL > 0 && !defined(linux) 4759243Sobrien# ifdef hpux 4859243Sobrien# ifndef __hpux 4959243Sobrien# define NEEDwait 5059243Sobrien# else 5159243Sobrien# ifndef POSIX 5259243Sobrien# define _BSD 5359243Sobrien# endif 5459243Sobrien# ifndef _CLASSIC_POSIX_TYPES 5559243Sobrien# define _CLASSIC_POSIX_TYPES 5659243Sobrien# endif 5759243Sobrien# include <sys/wait.h> /* 7.0 fixed it again */ 5859243Sobrien# endif /* __hpux */ 5959243Sobrien# else /* hpux */ 6059243Sobrien# if (defined(OREO) || defined(IRIS4D) || defined(POSIX)) && !defined(_VMS_POSIX) 6159243Sobrien# include <sys/wait.h> 6259243Sobrien# else /* OREO || IRIS4D || POSIX */ 6359243Sobrien# define NEEDwait 6459243Sobrien# endif /* OREO || IRIS4D || POSIX */ 6559243Sobrien# endif /* hpux */ 6659243Sobrien#else /* SYSVREL == 0 || linux */ 6759243Sobrien# ifdef _MINIX 6859243Sobrien# undef NEEDwait 6959243Sobrien# include "mi.wait.h" 7059243Sobrien# else 7169408Sache# ifndef WINNT_NATIVE 7259243Sobrien# include <sys/wait.h> 7369408Sache# endif /* WINNT_NATIVE */ 7459243Sobrien# endif /* _MINIX */ 7559243Sobrien#endif /* SYSVREL == 0 || linux */ 7659243Sobrien 7759243Sobrien#ifdef NEEDwait 7859243Sobrien/* 7959243Sobrien * This wait is for big-endians and little endians 8059243Sobrien */ 8159243Sobrienunion wait { 8259243Sobrien int w_status; 8359243Sobrien# ifdef _SEQUENT_ 8459243Sobrien struct { 8559243Sobrien unsigned short w_Termsig:7; 8659243Sobrien unsigned short w_Coredump:1; 8759243Sobrien unsigned short w_Retcode:8; 8859243Sobrien } w_T; 8959243Sobrien struct { 9059243Sobrien unsigned short w_Stopval:8; 9159243Sobrien unsigned short w_Stopsig:8; 9259243Sobrien } w_S; 9359243Sobrien}; 9459243Sobrien 9559243Sobrien# define w_termsig w_T.w_Termsig 9659243Sobrien# define w_coredump w_T.w_Coredump 9759243Sobrien# define w_retcode w_T.w_Retcode 9859243Sobrien# define w_stopval w_S.w_Stopval 9959243Sobrien# define w_stopsig w_S.w_Stopsig 10059243Sobrien# else /* _SEQUENT_ */ 10159243Sobrien# if defined(vax) || defined(i386) || defined(_I386) 10259243Sobrien union { 10359243Sobrien struct { 10459243Sobrien unsigned int w_Termsig:7; 10559243Sobrien unsigned int w_Coredump:1; 10659243Sobrien unsigned int w_Retcode:8; 10759243Sobrien unsigned int w_Dummy:16; 10859243Sobrien } w_T; 10959243Sobrien struct { 11059243Sobrien unsigned int w_Stopval:8; 11159243Sobrien unsigned int w_Stopsig:8; 11259243Sobrien unsigned int w_Dummy:16; 11359243Sobrien } w_S; 11459243Sobrien } w_P; 11559243Sobrien# else /* mc68000 || sparc || ??? */ 11659243Sobrien# if defined(_CRAY) || defined(ANY_OTHER_64BIT_MACHINE) 11759243Sobrien# define DUMMY_BITS 48 11859243Sobrien# else /* _CRAY */ 11959243Sobrien# define DUMMY_BITS 16 12059243Sobrien# endif /* _CRAY */ 12159243Sobrien union { 12259243Sobrien struct { 12359243Sobrien unsigned int w_Dummy:DUMMY_BITS; 12459243Sobrien unsigned int w_Retcode:8; 12559243Sobrien unsigned int w_Coredump:1; 12659243Sobrien unsigned int w_Termsig:7; 12759243Sobrien } w_T; 12859243Sobrien struct { 12959243Sobrien unsigned int w_Dummy:DUMMY_BITS; 13059243Sobrien unsigned int w_Stopsig:8; 13159243Sobrien unsigned int w_Stopval:8; 13259243Sobrien } w_S; 13359243Sobrien } w_P; 13459243Sobrien# endif /* vax || i386 || _I386 */ 13559243Sobrien}; 13659243Sobrien 13759243Sobrien# define w_termsig w_P.w_T.w_Termsig 13859243Sobrien# define w_coredump w_P.w_T.w_Coredump 13959243Sobrien# define w_retcode w_P.w_T.w_Retcode 14059243Sobrien# define w_stopval w_P.w_S.w_Stopval 14159243Sobrien# define w_stopsig w_P.w_S.w_Stopsig 14259243Sobrien# endif /* _SEQUENT_ */ 14359243Sobrien 14459243Sobrien 14559243Sobrien# ifndef WNOHANG 14659243Sobrien# define WNOHANG 1 /* dont hang in wait */ 14759243Sobrien# endif 14859243Sobrien 14959243Sobrien# ifndef WUNTRACED 15059243Sobrien# define WUNTRACED 2 /* tell about stopped, untraced children */ 15159243Sobrien# endif 15259243Sobrien 15359243Sobrien# define WSTOPPED 0177 15459243Sobrien# define WIFSTOPPED(x) ((x).w_stopval == WSTOPPED) 15559243Sobrien# define WIFSIGNALED(x) (((x).w_stopval != WSTOPPED) && ((x).w_termsig != 0)) 15659243Sobrien 15759243Sobrien#endif /* NEEDwait */ 15859243Sobrien 15959243Sobrien#endif /* _h_tc_wait */ 160