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comparison src/s/irix4-0.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
parents
children 538048ae2ab8
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-1:000000000000 0:376386a54a3c
1 /* Synched up with: FSF 19.31. */
2
3 #include "irix3-3.h"
4
5 #define USG5_3
6 #define IRIX4
7
8 #define HAVE_ALLOCA
9 #ifndef NOT_C_CODE
10 #include <alloca.h>
11 #endif
12
13 #undef NEED_SIOCTL
14
15 /* Make process_send_signal work by "typing" a signal character on the pty. */
16 #define SIGNALS_VIA_CHARACTERS
17
18 /* use K&R C */
19 /* XEmacs change -- use ANSI, not K&R */
20 #ifndef __GNUC__
21 #define C_SWITCH_SYSTEM -xansi
22 #endif
23
24 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
25 because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.) Instead
26 we'll just define WNOHANG right here.
27 (An implicit decl is good enough for wait3.) */
28 /* [XEmacs: Now that we don't use BIG_ENDIAN/LITTLE_ENDIAN, it's safe
29 to include wait.h. Should something change here?] */
30
31 #define WNOHANG 0x1
32
33 /* No need to use sprintf to get the tty name--we get that from _getpty. */
34 #undef PTY_TTY_NAME_SPRINTF
35 #define PTY_TTY_NAME_SPRINTF
36 /* No need to get the pty name at all. */
37 #define PTY_NAME_SPRINTF
38 /* We need only try once to open a pty. */
39 #define PTY_ITERATION
40 /* Here is how to do it. */
41 /* It is necessary to prevent SIGCHLD signals within _getpty.
42 So we block them. */
43 #define PTY_OPEN \
44 { \
45 char *name; \
46 EMACS_BLOCK_SIGCHLD; \
47 name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); \
48 EMACS_UNBLOCK_SIGCHLD; \
49 if (name == 0) \
50 return -1; \
51 if (fd < 0) \
52 return -1; \
53 if (fstat (fd, &stb) < 0) \
54 return -1; \
55 strcpy (pty_name, name); \
56 }
57
58 /* jpff@maths.bath.ac.uk reports `struct exception' is not defined
59 on this system, so inhibit use of matherr. */
60 #define NO_MATHERR