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comparison src/s/ptx.h @ 428:3ecd8885ac67 r21-2-22

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Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
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children 576fb035e263
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427:0a0253eac470 428:3ecd8885ac67
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 USG_SHARED_LIBRARIES
34
35 /* PTX has System V streams. */
36 #define SYSV_STREAMS
37
38 /* Leave out -lPW since it conflicts with term.o and because we're not sure
39 if the alloca found there by autoconf should be trusted on PTX. */
40 #define LIB_STANDARD "-lc"
41
42 #ifndef HAVE_SOCKETS /* determined by configure */
43 #define NO_SUBPROCESSES
44 #endif
45
46 #ifdef HAVE_X_WINDOWS
47
48 /* This is also defined so that lib-src/profile can link. */
49 #define LIBS_SYSTEM "-lseq"
50
51 #else /* ! HAVE_X_WINDOWS */
52
53 #ifdef HAVE_SOCKETS
54 #define LIBS_SYSTEM "-lsocket -linet -lnsl -lseq"
55 #else
56 #define LIBS_SYSTEM "-lseq"
57 #endif
58
59 #endif /* ! HAVE_X_WINDOWS */
60
61 /* No <sioctl.h> */
62 #define NO_SIOCTL_H
63
64 /* If we have X windows, configure should find gettimeofday in -lX11.
65 Since we emulate gettimeofday below, we really have it anyway. */
66 #ifndef HAVE_GETTIMEOFDAY
67 #define HAVE_GETTIMEOFDAY
68 #endif
69
70 #ifdef emacs
71 #include <sys/stropts.h> /* Support for pty's */
72 #include <sys/conf.h>
73
74 /*#define BROKEN_SIGIO*/ /* SIGIO is already undef'd elsewhere. PTX
75 has SIGIO, but it's just an alias for
76 SIGPOLL. */
77
78 /* Emulate gettimeofday() except for the time zone information which Emacs
79 doesn't use anyway. Get_process_stats() is in -lseq. */
80 #include <sys/procstats.h>
81 #define gettimeofday(tp, tzp) get_process_stats (tp, PS_SELF, 0, 0)
82
83 /* Define timezone since it's not in sys/time.h. Unfortunately, this causes
84 trouble when building with X since this struct is defined in
85 <X11/Xos.h>. */
86 struct timezone
87 {
88 int tz_minuteswest;
89 int tz_dsttime;
90 };
91
92 /* Unfortunately, this define is not checked in all files including
93 <X11/Xos.h> so we can't use it. */
94 /* #define XOS_NEEDS_TIME_H */
95
96 /* In ptx/WINDOWS, this prevents problems with the timezone struct being
97 redefined in <X11/Xos.h>. It seems the necessary include files are
98 included via systime.h so leaving them out here is not a problem. This
99 may not work in X11R5 or X11R6. */
100 #define __TIMEVAL__
101
102 #endif /* emacs */
103
104 /* PTX has termios */
105 #undef BROKEN_TIOCGWINSZ
106 #undef BROKEN_TIOCGETC
107
108 /* PTX has pty's but not like System V */
109 #define HAVE_PTYS
110 #undef SYSV_PTYS
111
112 /* Provide pty support which is defined into process.c:allocate_pty.
113 Basic ideas for handling getpseudotty were lifted from process.c in
114 Emacs 18.57 included on the Sequent Public Software tape. However, this
115 implementation bears almost no resemblance to the original and does not
116 require that process.c be patched. */
117 #define PTY_ITERATION \
118 char *mastername, *slavename; \
119 while (1)
120
121 #define PTY_OPEN \
122 if (failed_count++ >= 5) break; \
123 if ((fd = getpseudotty (&slavename, &mastername)) < 0) { \
124 error("Out of ptys."); \
125 continue; \
126 } \
127 strcpy (pty_name, slavename);
128
129 /* Define these to prevent the default logic in process.c:allocate_pty
130 from being used. */
131 #define PTY_NAME_SPRINTF
132 #define PTY_TTY_NAME_SPRINTF
133
134 /* PTX doesn't seem to have memmove. */
135 #define MEMMOVE_MISSING