Mercurial > hg > xemacs-beta
comparison src/s/irix5-0.h @ 0:376386a54a3c r19-14
Import from CVS: tag r19-14
author | cvs |
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date | Mon, 13 Aug 2007 08:45:50 +0200 |
parents | |
children | 538048ae2ab8 |
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1 /* Synched up with: FSF 19.31. */ | |
2 | |
3 #include "usg5-4.h" | |
4 | |
5 #define IRIX5 | |
6 | |
7 #ifdef LIBS_SYSTEM | |
8 #undef LIBS_SYSTEM | |
9 #endif | |
10 | |
11 #ifdef LIB_STANDARD | |
12 #undef LIB_STANDARD | |
13 #endif | |
14 | |
15 #ifdef SYSTEM_TYPE | |
16 #undef SYSTEM_TYPE | |
17 #endif | |
18 #define SYSTEM_TYPE "irix" | |
19 | |
20 #ifdef SETUP_SLAVE_PTY | |
21 #undef SETUP_SLAVE_PTY | |
22 #endif | |
23 | |
24 /* thomas@mathematik.uni-bremen.de says this is needed. */ | |
25 /* Make process_send_signal work by "typing" a signal character on the pty. */ | |
26 #define SIGNALS_VIA_CHARACTERS | |
27 | |
28 /* Define HAVE_ALLOCA to say that the system provides a properly | |
29 working alloca function and it should be used. */ | |
30 #define HAVE_ALLOCA | |
31 #undef C_ALLOCA | |
32 | |
33 #ifndef NOT_C_CODE | |
34 #ifndef __GNUC__ | |
35 #include <alloca.h> | |
36 #endif | |
37 #endif | |
38 | |
39 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h | |
40 because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.) Instead | |
41 we'll just define WNOHANG right here. | |
42 (An implicit decl is good enough for wait3.) */ | |
43 /* [XEmacs: Now that we don't use BIG_ENDIAN/LITTLE_ENDIAN, it's safe | |
44 to include wait.h. Should something change here?] */ | |
45 | |
46 /* #define WNOHANG 0x1 */ | |
47 | |
48 /* No need to use sprintf to get the tty name--we get that from _getpty. */ | |
49 #ifdef PTY_TTY_NAME_SPRINTF | |
50 #undef PTY_TTY_NAME_SPRINTF | |
51 #endif | |
52 #define PTY_TTY_NAME_SPRINTF | |
53 /* No need to get the pty name at all. */ | |
54 #ifdef PTY_NAME_SPRINTF | |
55 #undef PTY_NAME_SPRINTF | |
56 #endif | |
57 #define PTY_NAME_SPRINTF | |
58 #ifdef emacs | |
59 char *_getpty (); | |
60 #endif | |
61 /* We need only try once to open a pty. */ | |
62 #define PTY_ITERATION | |
63 /* Here is how to do it. */ | |
64 /* It is necessary to prevent SIGCHLD signals within _getpty. | |
65 So we block them. */ | |
66 #define PTY_OPEN \ | |
67 { \ | |
68 char *name; \ | |
69 EMACS_BLOCK_SIGCHLD; \ | |
70 name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); \ | |
71 EMACS_UNBLOCK_SIGCHLD; \ | |
72 if (name == 0) \ | |
73 return -1; \ | |
74 if (fd < 0) \ | |
75 return -1; \ | |
76 if (fstat (fd, &stb) < 0) \ | |
77 return -1; \ | |
78 strcpy (pty_name, name); \ | |
79 } | |
80 | |
81 /* jpff@maths.bath.ac.uk reports `struct exception' is not defined | |
82 on this system, so inhibit use of matherr. */ | |
83 #define NO_MATHERR | |
84 | |
85 /* Info from simon@lia.di.epfl.ch (Simon Leinen) suggests this is needed. */ | |
86 #define GETPGRP_NO_ARG | |
87 | |
88 /* Ulimit(UL_GMEMLIM) is busted... */ | |
89 #define ULIMIT_BREAK_VALUE 0x14000000 | |
90 | |
91 /* Tell process_send_signal to use VSUSP instead of VSWTCH. */ | |
92 #define PREFER_VSUSP | |
93 | |
94 /* Because unexelfsgi.c cannot handle a ".sbss" section yet, we must | |
95 tell the linker to avoid making one. SGI's cc does this by | |
96 default, but GCC (at least 2.5.8 and 2.6.0) doesn't. */ | |
97 #ifdef __GNUC__ | |
98 #define LD_SWITCH_SYSTEM -G 0 | |
99 #endif | |
100 | |
101 /* define MAIL_USE_FLOCK if the mailer uses flock | |
102 to interlock access to /usr/spool/mail/$USER. | |
103 The alternative is that a lock file named | |
104 /usr/spool/mail/$USER.lock. */ | |
105 | |
106 #define MAIL_USE_FLOCK | |
107 | |
108 /* use K&R C */ | |
109 /* XEmacs change -- use ANSI, not K&R */ | |
110 #ifndef __GNUC__ | |
111 #define C_SWITCH_SYSTEM -xansi | |
112 #endif | |
113 | |
114 /* jackr@engr.sgi.com says that you can't mix different kinds of | |
115 signal-handling functions under IRIX 5.3. I'm going to assume | |
116 that that was the reason this got broken. Now that the | |
117 signal routines are fixed up, maybe this will work. --ben */ | |
118 /* Nope, it doesn't. I've tried lots of things; it must be | |
119 genuinely broken. */ | |
120 /* XEmacs addition: People on IRIX 5.2 and IRIX 5.3 systems have | |
121 reported that they can't break out of (while t) using C-g or C-G. | |
122 This does not occur on other systems, so let's assume that SIGIO | |
123 is broken on these systems. */ | |
124 #define BROKEN_SIGIO |