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comparison src/s/ptx.h @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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1 /* Definitions file for GNU Emacs running on Sequent DYNIX/ptx 1.x/2.x
2 Copyright (C) 1987, 1990 Free Software Foundation, Inc.
3
4 This file is part of GNU Emacs.
5
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21 /* Synched up with: FSF 19.31. */
22
23 /* This file was written by Bill Burton <billb@progress.com>. Parts were
24 adapted from m-ptx1-2.h and process.c as distributed with the Emacs 18.57
25 on the Sequent Public software tape. Other parts were adapted from
26 usg5-4.h. */
27
28 /* Use the SysVr3 file for base configuration even though much is changed. */
29 #define DONT_DEFINE_NO_REMAP /* `static' hack not needed */
30 #include "usg5-3.h"
31
32 /* Undo these defines because they are incorrect or need to be changed. */
33 #undef LIB_X11_LIB
34 #undef LIBX10_SYSTEM
35 #undef LIBX11_SYSTEM
36 #undef USG_SHARED_LIBRARIES
37
38 /* PTX has System V streams. */
39 #define SYSV_STREAMS
40
41 /* Leave out -lPW since it conflicts with term.o and because we're not sure
42 if the alloca found there by autoconf should be trusted on PTX. */
43 #define LIB_STANDARD -lc
44
45 #ifndef HAVE_SOCKETS /* determined by configure */
46 #define NO_SUBPROCESSES
47 #endif
48
49 #ifdef HAVE_X_WINDOWS
50
51 #define LIBX11_SYSTEM -lsocket -linet -lnsl
52 /* This is also defined so that lib-src/profile can link. */
53 #define LIBS_SYSTEM -lseq
54
55 #else /* ! HAVE_X_WINDOWS */
56
57 #ifdef HAVE_SOCKETS
58 #define LIBS_SYSTEM -lsocket -linet -lnsl -lseq
59 #else
60 #define LIBS_SYSTEM -lseq
61 #endif
62
63 #endif /* ! HAVE_X_WINDOWS */
64
65 /* No <sioctl.h> */
66 #define NO_SIOCTL_H
67
68 /* If we have X windows, configure should find gettimeofday in -lX11.
69 Since we emulate gettimeofday below, we really have it anyway. */
70 #ifndef HAVE_GETTIMEOFDAY
71 #define HAVE_GETTIMEOFDAY
72 #endif
73
74 #ifdef emacs
75 #include <sys/stropts.h> /* Support for pty's */
76 #include <sys/conf.h>
77
78 /*#define BROKEN_SIGIO*/ /* SIGIO is already undef'd elsewhere. PTX
79 has SIGIO, but it's just an alias for
80 SIGPOLL. */
81
82 /* Emulate gettimeofday() except for the time zone information which Emacs
83 doesn't use anyway. Get_process_stats() is in -lseq. */
84 #include <sys/procstats.h>
85 #define gettimeofday(tp, tzp) get_process_stats (tp, PS_SELF, 0, 0)
86
87 /* Define timezone since it's not in sys/time.h. Unfortunately, this causes
88 trouble when building with X since this struct is defined in
89 <X11/Xos.h>. */
90 struct timezone
91 {
92 int tz_minuteswest;
93 int tz_dsttime;
94 };
95
96 /* Unfortunately, this define is not checked in all files including
97 <X11/Xos.h> so we can't use it. */
98 /* #define XOS_NEEDS_TIME_H */
99
100 /* In ptx/WINDOWS, this prevents problems with the timezone struct being
101 redefined in <X11/Xos.h>. It seems the necessary include files are
102 included via systime.h so leaving them out here is not a problem. This
103 may not work in X11R5 or X11R6. */
104 #define __TIMEVAL__
105
106 #endif /* emacs */
107
108 /* PTX has termios */
109 #undef BROKEN_TIOCGWINSZ
110 #undef BROKEN_TIOCGETC
111
112 /* PTX has pty's but not like System V */
113 #define HAVE_PTYS
114 #undef SYSV_PTYS
115
116 /* Provide pty support which is defined into process.c:allocate_pty.
117 Basic ideas for handling getpseudotty were lifted from process.c in
118 Emacs 18.57 included on the Sequent Public Software tape. However, this
119 implementation bears almost no resemblance to the original and does not
120 require that process.c be patched. */
121 #define PTY_ITERATION \
122 char *mastername, *slavename; \
123 while (1)
124
125 #define PTY_OPEN \
126 if (failed_count++ >= 5) break; \
127 if ((fd = getpseudotty (&slavename, &mastername)) < 0) { \
128 error("Out of ptys."); \
129 continue; \
130 } \
131 strcpy (pty_name, slavename);
132
133 /* Define these to prevent the default logic in process.c:allocate_pty
134 from being used. */
135 #define PTY_NAME_SPRINTF
136 #define PTY_TTY_NAME_SPRINTF
137
138 /* PTX doesn't seem to have memmove. */
139 #define MEMMOVE_MISSING