598 lines
15 KiB
C
598 lines
15 KiB
C
/* $Header: /p/tcsh/cvsroot/tcsh/tc.os.h,v 3.101 2006/02/14 00:52:52 christos Exp $ */
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/*
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* tc.os.h: Shell os dependent defines
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*/
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/*-
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* Copyright (c) 1980, 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _h_tc_os
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#define _h_tc_os
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#ifdef notdef
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/*
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* for SVR4 and linux we used to fork pipelines backwards.
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* This should not be needed any more.
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* more info in sh.sem.c
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*/
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# define BACKPIPE
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#endif /* notdef */
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#ifdef __CYGWIN__
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# undef NOFILE
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# define NOFILE sysconf(_SC_OPEN_MAX)
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#endif
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#ifdef _VMS_POSIX
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# ifndef NOFILE
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# define NOFILE 64
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# endif /* NOFILE */
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# define nice(a) setprio((getpid()),a)
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# include <sys/time.h> /* for time stuff in tc.prompt.c */
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# include <limits.h>
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#endif /* atp vmsposix */
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#if defined(DECOSF1) || defined(HPUXVERSION)
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# include <sys/signal.h>
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#endif /* DECOSF1 || HPUXVERSION */
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#ifdef DECOSF1
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# include <sys/ioctl.h>
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#endif /* DECOSF1 */
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#if defined(OPEN_MAX) && !defined(NOFILE)
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# define NOFILE OPEN_MAX
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#endif /* OPEN_MAX && !NOFILE */
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#if defined(USR_NFDS) && !defined(NOFILE)
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# define NOFILE USR_NFDS
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#endif /* USR_NFDS && !NOFILE */
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#ifndef NOFILE
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# define NOFILE 256
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#endif /* NOFILE */
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#ifdef OREO
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# include <sys/time.h>
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# ifdef notdef
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/* Don't include it, because it defines things we don't really have */
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# include <sys/resource.h>
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# endif /* notdef */
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# ifdef POSIX
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# include <sys/tty.h>
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# include <termios.h>
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# endif /* POSIX */
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#endif /* OREO */
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#ifdef convex
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# include <sys/dmon.h>
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#endif /* convex */
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#ifdef titan
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extern int end;
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#endif /* titan */
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#ifdef hpux
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# ifdef lint
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/*
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* Hpux defines struct ucred, in <sys/user.h>, but if I include that
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* then I need to include the *world*
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* [all this to pass lint cleanly!!!]
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* so I define struct ucred here...
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*/
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struct ucred {
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int foo;
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};
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# endif /* lint */
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/*
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* hpux 7.0 does not define it
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*/
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# ifndef CSUSP
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# define CSUSP 032
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# endif /* CSUSP */
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# include <signal.h>
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# if !defined(hp9000s500) && !(defined(SIGRTMAX) || defined(SIGRTMIN))
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/*
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* hpux < 7
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*/
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# include <sys/bsdtty.h>
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# endif /* !hp9000s500 && !(SIGRTMAX || SIGRTMIN) */
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# ifndef TIOCSTI
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# include <sys/strtio.h>
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# endif
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#endif /* hpux */
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/*
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* ISC does not define CSUSP
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*/
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#ifdef ISC
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# ifndef CSUSP
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# define CSUSP 032
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# endif /* CSUSP */
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# if defined(POSIX) && !defined(TIOCGWINSZ)
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/*
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* ISC defines this only in termio.h. If we are using POSIX and include
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* termios.h, then we define it ourselves so that window resizing works.
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*/
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# define TIOCGWINSZ (('T'<<8)|104)
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# endif /* POSIX && !TIOCGWINSZ */
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#endif /* ISC */
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#ifdef ISC202
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# undef TIOCGWINSZ
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#endif /* ISC202 */
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/*
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* XXX: This will be changed soon to
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* #if (SYSVREL > 0) && defined(TIOCGWINSZ)
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* If that breaks on your machine, let me know.
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*
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* It would break on glibc, where all this is
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* defined in <termios.h>. Wrapper added.
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*/
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#if !defined(linux) && !defined(__GNU__) && !defined(__GLIBC__) && !defined(_VMS_POSIX)
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# if defined(INTEL) || defined(u3b2) || defined (u3b5) || defined(ub15) || defined(u3b20d) || defined(ISC) || defined(SCO) || defined(tower32)
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# ifdef TIOCGWINSZ
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/*
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* for struct winsiz
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*/
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# include <sys/stream.h>
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# include <sys/ptem.h>
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# endif /* TIOCGWINSZ */
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# endif /* INTEL || u3b2 || u3b5 || ub15 || u3b20d || ISC || SCO || tower32 */
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#endif /* !glibc && !_VMS_POSIX */
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#ifdef IRIS4D
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# include <sys/time.h>
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# include <sys/resource.h>
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#endif /* IRIS4D */
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/*
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* For some versions of system V software, specially ones that use the
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* Wollongong Software TCP/IP, the FIOCLEX, FIONCLEX, FIONBIO calls
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* might not work correctly for file descriptors [they work only for
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* sockets]. So we try to use first the fcntl() and we only use the
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* ioctl() form, only if we don't have the fcntl() one.
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*
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* From: scott@craycos.com (Scott Bolte)
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*/
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#ifndef WINNT_NATIVE
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# ifdef F_SETFD
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# ifndef FD_CLOEXEC
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# define FD_CLOEXEC 1
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# endif
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# define close_on_exec(fd, v) fcntl((fd), F_SETFD, ((v) ? FD_CLOEXEC : 0))
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# else /* !F_SETFD */
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# ifdef FIOCLEX
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# define close_on_exec(fd, v) ioctl((fd), ((v) ? FIOCLEX : FIONCLEX), NULL)
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# else /* !FIOCLEX */
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# define close_on_exec(fd, v) /* Nothing */
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# endif /* FIOCLEX */
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# endif /* F_SETFD */
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#else /* WINNT_NATIVE */
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# define close_on_exec(fd, v) nt_close_on_exec((fd),(v))
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#endif /* !WINNT_NATIVE */
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/*
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* Stat
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*/
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#ifdef ISC
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/* these are not defined for _POSIX_SOURCE under ISC 2.2 */
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# ifndef S_IFMT
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# define S_IFMT 0170000 /* type of file */
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# define S_IFDIR 0040000 /* directory */
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# define S_IFCHR 0020000 /* character special */
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# define S_IFBLK 0060000 /* block special */
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# define S_IFREG 0100000 /* regular */
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# define S_IFIFO 0010000 /* fifo */
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# define S_IFNAM 0050000 /* special named file */
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# ifndef ISC202
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# define S_IFLNK 0120000 /* symbolic link */
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# endif /* ISC202 */
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# endif /* S_IFMT */
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#endif /* ISC */
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#ifdef STAT_MACROS_BROKEN
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# undef S_ISDIR
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# undef S_ISCHR
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# undef S_ISBLK
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# undef S_ISREG
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# undef S_ISFIFO
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# undef S_ISNAM
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# undef S_ISLNK
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# undef S_ISSOCK
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#endif /* STAT_MACROS_BROKEN */
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#ifdef S_IFMT
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# if !defined(S_ISDIR) && defined(S_IFDIR)
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# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
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# endif /* ! S_ISDIR && S_IFDIR */
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# if !defined(S_ISCHR) && defined(S_IFCHR)
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# define S_ISCHR(a) (((a) & S_IFMT) == S_IFCHR)
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# endif /* ! S_ISCHR && S_IFCHR */
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# if !defined(S_ISBLK) && defined(S_IFBLK)
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# define S_ISBLK(a) (((a) & S_IFMT) == S_IFBLK)
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# endif /* ! S_ISBLK && S_IFBLK */
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# if !defined(S_ISREG) && defined(S_IFREG)
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# define S_ISREG(a) (((a) & S_IFMT) == S_IFREG)
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# endif /* ! S_ISREG && S_IFREG */
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# if !defined(S_ISFIFO) && defined(S_IFIFO)
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# define S_ISFIFO(a) (((a) & S_IFMT) == S_IFIFO)
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# endif /* ! S_ISFIFO && S_IFIFO */
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# if !defined(S_ISNAM) && defined(S_IFNAM)
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# define S_ISNAM(a) (((a) & S_IFMT) == S_IFNAM)
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# endif /* ! S_ISNAM && S_IFNAM */
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# if !defined(S_ISLNK) && defined(S_IFLNK)
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# define S_ISLNK(a) (((a) & S_IFMT) == S_IFLNK)
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# endif /* ! S_ISLNK && S_IFLNK */
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# if !defined(S_ISSOCK) && defined(S_IFSOCK)
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# define S_ISSOCK(a) (((a) & S_IFMT) == S_IFSOCK)
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# endif /* ! S_ISSOCK && S_IFSOCK */
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#endif /* S_IFMT */
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#ifdef tower32
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/* The header files lie; we really don't have symlinks */
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# undef S_ISLNK
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# undef S_IFLNK
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#endif /* tower32 */
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#ifndef S_IREAD
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# define S_IREAD 0000400
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#endif /* S_IREAD */
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#ifndef S_IROTH
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# define S_IROTH (S_IREAD >> 6)
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#endif /* S_IROTH */
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#ifndef S_IRGRP
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# define S_IRGRP (S_IREAD >> 3)
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#endif /* S_IRGRP */
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#ifndef S_IRUSR
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# define S_IRUSR S_IREAD
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#endif /* S_IRUSR */
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#ifndef S_IWRITE
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# define S_IWRITE 0000200
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#endif /* S_IWRITE */
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#ifndef S_IWOTH
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# define S_IWOTH (S_IWRITE >> 6)
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#endif /* S_IWOTH */
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#ifndef S_IWGRP
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# define S_IWGRP (S_IWRITE >> 3)
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#endif /* S_IWGRP */
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#ifndef S_IWUSR
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# define S_IWUSR S_IWRITE
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#endif /* S_IWUSR */
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#ifndef S_IEXEC
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# define S_IEXEC 0000100
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#endif /* S_IEXEC */
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#ifndef S_IXOTH
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# define S_IXOTH (S_IEXEC >> 6)
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#endif /* S_IXOTH */
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#ifndef S_IXGRP
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# define S_IXGRP (S_IEXEC >> 3)
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#endif /* S_IXGRP */
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#ifndef S_IXUSR
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# define S_IXUSR S_IEXEC
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#endif /* S_IXUSR */
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#ifndef S_ISUID
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# define S_ISUID 0004000 /* setuid */
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#endif /* S_ISUID */
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#ifndef S_ISGID
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# define S_ISGID 0002000 /* setgid */
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#endif /* S_ISGID */
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#ifndef S_ISVTX
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# define S_ISVTX 0001000 /* sticky */
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#endif /* S_ISVTX */
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#ifndef S_ENFMT
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# define S_ENFMT S_ISGID /* record locking enforcement flag */
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#endif /* S_ENFMT */
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/* the following macros are for POSIX conformance */
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#ifndef S_IRWXU
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# define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
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#endif /* S_IRWXU */
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#ifndef S_IRWXG
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# define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
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#endif /* S_IRWXG */
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#ifndef S_IRWXO
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# define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
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#endif /* S_IRWXO */
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/*
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* Access()
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*/
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#ifndef F_OK
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# define F_OK 0
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#endif /* F_OK */
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#ifndef X_OK
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# define X_OK 1
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#endif /* X_OK */
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#ifndef W_OK
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# define W_OK 2
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#endif /* W_OK */
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#ifndef R_OK
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# define R_OK 4
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#endif /* R_OK */
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/*
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* Open()
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*/
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#ifndef O_RDONLY
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# define O_RDONLY 0
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#endif /* O_RDONLY */
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#ifndef O_WRONLY
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# define O_WRONLY 1
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#endif /* O_WRONLY */
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#ifndef O_RDWR
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# define O_RDWR 2
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#endif /* O_RDWR */
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/*
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* Lseek()
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*/
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#ifndef L_SET
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# ifdef SEEK_SET
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# define L_SET SEEK_SET
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# else /* !SEEK_SET */
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# define L_SET 0
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# endif /* SEEK_SET */
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#endif /* L_SET */
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#ifndef L_INCR
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# ifdef SEEK_CUR
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# define L_INCR SEEK_CUR
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# else /* !SEEK_CUR */
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# define L_INCR 1
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# endif /* SEEK_CUR */
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#endif /* L_INCR */
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#ifndef L_XTND
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# ifdef SEEK_END
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# define L_XTND SEEK_END
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# else /* !SEEK_END */
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# define L_XTND 2
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# endif /* SEEK_END */
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#endif /* L_XTND */
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#if !defined (HAVE_SETPGID) && !defined (SETPGRP_VOID)
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# define setpgid(pid, pgrp) setpgrp(pid, pgrp)
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#endif
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#if defined(BSDJOBS) && !(defined(POSIX) && defined(POSIXJOBS))
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# define NEEDtcgetpgrp
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#endif /* BSDJOBS && !(POSIX && POSIXJOBS) */
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#ifdef RENO
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/*
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* RENO has this broken. It is fixed on 4.4BSD
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*/
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# define NEEDtcgetpgrp
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#endif /* RENO */
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#ifdef SXA
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# ifndef _BSDX_
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/*
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* Only needed in the system V environment.
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*/
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# define setrlimit bsd_setrlimit
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# define getrlimit bsd_getrlimit
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# endif /* _BSDX_ */
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#endif /* SXA */
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#if defined(_MINIX) || defined(__EMX__)
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# define HAVENOLIMIT
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/*
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* Minix does not have these, so...
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*/
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# define getpgrp getpid
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#endif /* _MINIX || __EMX__ */
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#ifdef __EMX__
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/* XXX: How can we get the tty name in emx? */
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# define ttyname(fd) (isatty(fd) ? "/dev/tty" : NULL)
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#endif /* __EMX__ */
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#ifndef S_IFLNK
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# define lstat stat
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#endif /* S_IFLNK */
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#if defined(BSDTIMES) && !defined(_SEQUENT_)
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typedef struct timeval timeval_t;
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#endif /* BSDTIMES && ! _SEQUENT_ */
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#ifdef NeXT
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/*
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* From Tony_Mason@transarc.com, override NeXT's malloc stuff.
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*/
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# define malloc tcsh_malloc
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# define calloc tcsh_calloc
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# define realloc tcsh_realloc
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# define free tcsh_free
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#endif /* NeXT */
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#if defined(HAVE_GETHOSTNAME) && !HAVE_DECL_GETHOSTNAME
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extern int gethostname (char *, int);
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#endif
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#ifndef GETPGRP_VOID
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# define mygetpgrp() getpgrp(0)
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#else
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# define mygetpgrp() getpgrp()
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#endif
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#if !defined(POSIX) || defined(SUNOS4) || defined(UTekV) || defined(sysV88)
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extern time_t time();
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extern char *getenv();
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extern int atoi();
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# ifndef __EMX__
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extern char *ttyname();
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# endif /* __EMX__ */
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# if defined(SUNOS4)
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# ifndef toupper
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extern int toupper (int);
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# endif /* toupper */
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# ifndef tolower
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extern int tolower (int);
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# endif /* tolower */
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extern caddr_t sbrk (int);
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# else /* !SUNOS4 */
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# ifndef WINNT_NATIVE
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# ifdef hpux
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extern void abort();
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extern void qsort();
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# endif /* hpux */
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# endif /* !WINNT_NATIVE */
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# endif /* SUNOS4 */
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#ifndef _CX_UX
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extern void perror();
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#endif
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# ifdef BSD
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extern uid_t getuid(), geteuid();
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extern gid_t getgid(), getegid();
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# endif /* BSD */
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# ifdef SYSMALLOC
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extern memalign_t malloc();
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extern memalign_t realloc();
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extern memalign_t calloc();
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extern void free();
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# endif /* SYSMALLOC */
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# ifdef BSDJOBS
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# ifdef BSDTIMES
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# ifdef __MACHTEN__
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extern pid_t wait3();
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# endif /* __MACHTEN__ */
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# endif /* BSDTIMES */
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# endif /* BSDJOBS */
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# if (!defined(fps500) && !defined(apollo) && !defined(__lucid) && !defined(HPBSD) && !defined(DECOSF1))
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extern void setpwent();
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extern void endpwent();
|
|
# endif /* !fps500 && !apollo && !__lucid && !HPBSD && !DECOSF1 */
|
|
|
|
# ifndef __STDC__
|
|
extern struct passwd *getpwuid(), *getpwnam(), *getpwent();
|
|
# ifdef HAVE_SHADOW_H
|
|
extern struct spwd *getspnam(), *getspent();
|
|
# endif /* HAVE_SHADOW_H */
|
|
# if defined(HAVE_AUTH_H) && defined(HAVE_GETAUTHUID)
|
|
extern struct authorization *getauthuid();
|
|
# endif /* HAVE_AUTH_H && HAVE_GETAUTHUID */
|
|
# endif /* __STDC__ */
|
|
|
|
# ifndef getcwd
|
|
extern char *getcwd();
|
|
# endif /* getcwd */
|
|
|
|
#else /* POSIX || !SUNOS4 || !UTekV || !sysV88 */
|
|
|
|
# if (defined(SUNOS4) && !defined(__GNUC__)) || defined(_IBMR2) || defined(_IBMESA)
|
|
extern char *getvwd();
|
|
# endif /* (SUNOS4 && ! __GNUC__) || _IBMR2 || _IBMESA */
|
|
|
|
# ifdef SCO
|
|
extern char *ttyname();
|
|
# endif /* SCO */
|
|
|
|
# ifdef __clipper__
|
|
extern char *ttyname();
|
|
# endif /* __clipper__ */
|
|
|
|
#endif /* !POSIX || SUNOS4 || UTekV || sysV88 */
|
|
|
|
#if defined(SUNOS4) && __GNUC__ == 2
|
|
/*
|
|
* Somehow these are missing
|
|
*/
|
|
extern int ioctl (int, int, ...);
|
|
extern int readlink (const char *, char *, size_t);
|
|
extern void setgrent (void);
|
|
extern void endgrent (void);
|
|
# ifdef REMOTEHOST
|
|
# ifndef _SOCKLEN_T /* Avoid Solaris 2.7 bogosity. */
|
|
struct sockaddr;
|
|
extern int getpeername (int, struct sockaddr *, int *);
|
|
# endif /* _SOCKLEN_T */
|
|
# endif /* REMOTEHOST */
|
|
#endif /* SUNOS4 && __GNUC__ == 2 */
|
|
|
|
#if (defined(BSD) && !defined(BSD4_4)) || defined(SUNOS4)
|
|
# if defined(__alpha) && defined(__osf__) && DECOSF1 < 200
|
|
extern void bcopy (const void *, void *, size_t);
|
|
# define memmove(a, b, c) (bcopy((char *) (b), (char *) (a), (int) (c)), a)
|
|
# endif /* __alpha && __osf__ && DECOSF1 < 200 */
|
|
#endif /* (BSD && !BSD4_4) || SUNOS4 */
|
|
|
|
#ifdef SUNOS4
|
|
# include <memory.h> /* memset should be declared in <string.h> but isn't */
|
|
#endif /* SUNOS4 */
|
|
|
|
#if SYSVREL == 4
|
|
# ifdef REMOTEHOST
|
|
/* Irix6 defines getpeername(int, void *, int *) which conflicts with
|
|
the definition below. */
|
|
# if !defined(__sgi) && !defined(_OSD_POSIX) && !defined(__MVS__)
|
|
# ifndef _SOCKLEN_T /* Avoid Solaris 2.7 bogosity. */
|
|
struct sockaddr;
|
|
extern int getpeername (int, struct sockaddr *, int *);
|
|
# endif /* _SOCKLEN_T */
|
|
# endif /* !__sgi && !_OSD_POSIX && !__MVS__ */
|
|
# endif /* REMOTEHOST */
|
|
# ifndef BSDTIMES
|
|
extern int getrlimit (int, struct rlimit *);
|
|
extern int setrlimit (int, const struct rlimit *);
|
|
# endif /* !BSDTIMES */
|
|
# if defined(SOLARIS2)
|
|
extern char *strerror (int);
|
|
# endif /* SOLARIS2 */
|
|
#endif /* SYSVREL == 4 */
|
|
|
|
#if defined(__alpha) && defined(__osf__) && DECOSF1 < 200
|
|
/* These are ok for 1.3, but conflict with the header files for 2.0 */
|
|
extern char *sbrk (ssize_t);
|
|
extern int ioctl (int, unsigned long, char *);
|
|
extern pid_t vfork (void);
|
|
extern int killpg (pid_t, int);
|
|
#endif /* __osf__ && __alpha && DECOSF1 < 200 */
|
|
|
|
#ifndef va_copy
|
|
# ifdef __va_copy
|
|
# define va_copy(DEST, SRC) __va_copy(DEST, SRC)
|
|
# else
|
|
# define va_copy(DEST, SRC) memcpy(&(DEST), &(SRC), sizeof(va_list))
|
|
# endif
|
|
#endif
|
|
|
|
#endif /* _h_tc_os */
|