blob: fe42458768aa1db3d44ecc420cccdd056f63162c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
#include "s-usg5-4.h"
#ifdef LIBS_SYSTEM
#undef LIBS_SYSTEM
#endif
#ifdef SYSTEM_TYPE
#undef SYSTEM_TYPE
#endif
#define SYSTEM_TYPE "silicon-graphics-unix"
#ifdef SETUP_SLAVE_PTY
#undef SETUP_SLAVE_PTY
#endif
/* Define HAVE_ALLOCA to say that the system provides a properly
working alloca function and it should be used. */
#define HAVE_ALLOCA
#undef C_ALLOCA
#define alloca __builtin_alloca
/* use K&R C */
#ifndef __GNUC__
#define C_SWITCH_MACHINE -cckr
#endif
/* SGI has all the fancy wait stuff, but we can't include sys/wait.h
because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.) Instead
we'll just define WNOHANG right here.
(An implicit decl is good enough for wait3.) */
/* #define WNOHANG 0x1 */
/* No need to use sprintf to get the tty name--we get that from _getpty. */
#ifdef PTY_TTY_NAME_SPRINTF
#undef PTY_TTY_NAME_SPRINTF
#endif
#define PTY_TTY_NAME_SPRINTF
/* No need to get the pty name at all. */
#ifdef PTY_NAME_SPRINTF
#undef PTY_NAME_SPRINTF
#endif
#define PTY_NAME_SPRINTF
#ifdef emacs
char *_getpty();
#endif
/* We need only try once to open a pty. */
#define PTY_ITERATION
/* Here is how to do it. */
/* It is necessary to prevent SIGCHLD signals within _getpty.
So we block them. */
#define PTY_OPEN \
{ \
int mask = sigblock (sigmask (SIGCHLD)); \
char *name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); \
sigsetmask(mask); \
if (name == 0) \
return -1; \
if (fd < 0) \
return -1; \
if (fstat (fd, &stb) < 0) \
return -1; \
strcpy (pty_name, name); \
}
|
