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Diffstat (limited to 'src/s-usg5-4.h')
| -rw-r--r-- | src/s-usg5-4.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/s-usg5-4.h b/src/s-usg5-4.h new file mode 100644 index 00000000000..f958e93fe41 --- /dev/null +++ b/src/s-usg5-4.h @@ -0,0 +1,171 @@ +/* Definitions file for GNU Emacs running on AT&T's System V Release 4 + Copyright (C) 1987, 1990 Free Software Foundation, Inc. + +This file is part of GNU Emacs. + +GNU Emacs is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 1, or (at your option) +any later version. + +GNU Emacs is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Emacs; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This file written by James Van Artsdalen of Dell Computer Corporation. + * james@bigtex.cactus.org. + */ + +/* Use the SysVr3 file for at least base configuration. */ + +#include "s-usg5-3.h" + +#define USG5_4 + +/* We do have multiple jobs. Handle ^Z. */ + +#undef NOMULTIPLEJOBS + +#define LIBS_SYSTEM -lsocket -lnsl -lelf +#define ORDINARY_LINK + +#if 0 /* These should be unnecessary now because of ORDINARY_LINK. */ +#define START_FILES pre-crt0.o /usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o +#define LIB_STANDARD -lc /usr/ucblib/libucb.a /usr/ccs/lib/crtn.o +#endif + +/* No <sioctl.h> */ + +#define NO_SIOCTL_H + +/* Undump with ELF */ + +#undef COFF + +#define UNEXEC unexelf.o + +/* Get FIONREAD from <sys/filio.h>. Get <sys/ttold.h> to get struct + * tchars. But get <termio.h> first to make sure ttold.h doesn't + * interfere. And don't try to use SIGIO yet. + */ + +#ifdef emacs +#include <sys/filio.h> +#include <termio.h> +#include <sys/ttold.h> +#include <signal.h> +#include <sys/wait.h> +#include <sys/stream.h> +#include <sys/stropts.h> +#include <sys/termios.h> +#undef SIGIO +#endif + +/* libc has this stuff, but not utimes. */ + +#define HAVE_RENAME +#define HAVE_SELECT +#define HAVE_TIMEVAL +#define HAVE_CLOSEDIR +#define HAVE_GETTIMEOFDAY +#define HAVE_DUP2 + +#define USE_UTIME + +/* <sys/stat.h> *defines* stat(2) as a static function. If "static" + * is blank, then many files will have a public definition for stat(2). + */ + +#undef static + +/* We need bss_end from emacs.c for undumping */ + +#ifndef USG_SHARED_LIBRARIES +#define USG_SHARED_LIBRARIES +#endif + +/* We can support this */ + +#define CLASH_DETECTION + +#define HAVE_PTYS +#define HAVE_SETSID +#define HAVE_TCATTR + +/* It is possible to receive SIGCHLD when there are no children + waiting, because a previous waitsys(2) cleaned up the carcass of child + without clearing the SIGCHLD pending info. So, use a non-blocking + wait3 instead, which maps to waitpid(2) in SysVr4. */ + +#define HAVE_WAIT_HEADER +#define WAITTYPE int +#define wait3(status, options, rusage) \ + waitpid((pid_t) -1, (status), (options)) +#define WRETCODE(w) (w >> 8) + +/* TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY + subprocesses the usual way. But TIOCSIGNAL does work for PTYs, and + this is all we need. */ + +#define TIOCSIGSEND TIOCSIGNAL + +/* This change means that we don't loop through allocate_pty too many + times in the (rare) event of a failure. */ + +#undef FIRST_PTY_LETTER +#define FIRST_PTY_LETTER 'z' + +/* This sets the name of the master side of the PTY. */ + +#define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx"); + +/* This sets the name of the slave side of the PTY. On SysVr4, + grantpt(3) forks a subprocess, so keep sigchld_handler() from + intercepting that death. If any child but grantpt's should die + within, it should be caught after sigrelse(2). */ + +#define PTY_TTY_NAME_SPRINTF \ + { \ + char *ptsname(), *ptyname; \ + \ + sighold(SIGCLD); \ + if (grantpt(fd) == -1) \ + fatal("could not grant slave pty"); \ + sigrelse(SIGCLD); \ + if (unlockpt(fd) == -1) \ + fatal("could not unlock slave pty"); \ + if (!(ptyname = ptsname(fd))) \ + fatal ("could not enable slave pty"); \ + strncpy(pty_name, ptyname, sizeof(pty_name)); \ + pty_name[sizeof(pty_name) - 1] = 0; \ + } + +/* Push various streams modules onto a PTY channel. */ + +#define SETUP_SLAVE_PTY \ + if (ioctl (xforkin, I_PUSH, "ptem") == -1) \ + fatal ("ioctl I_PUSH ptem", errno); \ + if (ioctl (xforkin, I_PUSH, "ldterm") == -1) \ + fatal ("ioctl I_PUSH ldterm", errno); \ + if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) \ + fatal ("ioctl I_PUSH ttcompat", errno); + +/* The definition of this in s-usg5-3.h is not needed in 5.4. */ +/* liblnsl_s should never be used. The _s suffix implies a shared + library, as opposed to a DLL. Share libraries were used in SVR3, and are + available only in order to allow SVR3 binaries to run. They should not be + linked in to new binaries. -- caraway!pinkas@caraway.intel.com. */ +#undef LIBX10_SYSTEM +#undef LIBX11_SYSTEM + +/* Tell x11term.c and keyboard.c we have the system V streams feature. */ +#define SYSV_STREAMS + +/* This definition was suggested for next release. + So give it a try. */ +#define HAVE_SOCKETS |