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comparison src/s/irix4-0.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
parents
children abe6d1db359e
comparison
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427:0a0253eac470 428:3ecd8885ac67
1 /* Synched up with: FSF 19.31. */
2
3 #include "irix3-3.h"
4
5 #define USG5_3
6 #define IRIX4
7
8 #undef NEED_SIOCTL
9
10 /* use K&R C */
11 /* XEmacs change -- use ANSI, not K&R */
12 #ifndef __GNUC__
13 #define C_SWITCH_SYSTEM "-xansi"
14 #endif
15
16 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
17 because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.) Instead
18 we'll just define WNOHANG right here.
19 (An implicit decl is good enough for wait3.) */
20 /* [XEmacs: Now that we don't use BIG_ENDIAN/LITTLE_ENDIAN, it's safe
21 to include wait.h. Should something change here?] */
22
23 #define WNOHANG 0x1
24
25 /* No need to use sprintf to get the tty name--we get that from _getpty. */
26 #undef PTY_TTY_NAME_SPRINTF
27 #define PTY_TTY_NAME_SPRINTF
28 /* No need to get the pty name at all. */
29 #define PTY_NAME_SPRINTF
30 /* We need only try once to open a pty. */
31 #define PTY_ITERATION
32 /* Here is how to do it. */
33 /* It is necessary to prevent SIGCHLD signals within _getpty.
34 So we block them. */
35 #define PTY_OPEN \
36 { \
37 char *name; \
38 struct stat stb; \
39 EMACS_BLOCK_SIGCHLD; \
40 name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); \
41 EMACS_UNBLOCK_SIGCHLD; \
42 if (name == 0) \
43 return -1; \
44 if (fd < 0) \
45 return -1; \
46 if (fstat (fd, &stb) < 0) \
47 return -1; \
48 strcpy (pty_name, name); \
49 }
50
51 /* jpff@maths.bath.ac.uk reports `struct exception' is not defined
52 on this system, so inhibit use of matherr. */
53 #define NO_MATHERR