[bpt/emacs.git] / src / s / irix4-0.h

#include "irix3-3.h"

#define USG5_3
#define IRIX4

#define HAVE_ALLOCA
#ifndef NOT_C_CODE
#include <alloca.h>
#endif

#undef NEED_SIOCTL

/* Include unistd.h, even though we don't define POSIX.  */
#define NEED_UNISTD_H

/* Make process_send_signal work by "typing" a signal character on the pty.  */
#define SIGNALS_VIA_CHARACTERS

/* 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.  */
#undef PTY_TTY_NAME_SPRINTF
#define PTY_TTY_NAME_SPRINTF
/* No need to get the pty name at all.  */
#define PTY_NAME_SPRINTF
/* 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);					\
}

/* jpff@maths.bath.ac.uk reports `struct exception' is not defined
   on this system, so inhibit use of matherr.  */
#define NO_MATHERR
Commit	Line	Data
66c7840d RS	1	#include "irix3-3.h"
	2
	3	#define USG5_3
2b80da0a	4	#define IRIX4
66c7840d	5
66c7840d	6	#define HAVE_ALLOCA
f4531fd6 RS	7	#ifndef NOT_C_CODE
	8	#include <alloca.h>
	9	#endif
	10
	11	#undef NEED_SIOCTL
66c7840d	12
e79a0e1b RS	13	/* Include unistd.h, even though we don't define POSIX. */
	14	#define NEED_UNISTD_H
	15
42084123 RS	16	/* Make process_send_signal work by "typing" a signal character on the pty. */
	17	#define SIGNALS_VIA_CHARACTERS
	18
66c7840d	19	/* use K&R C */
dcb70223	20	#ifndef __GNUC__
66c7840d	21	#define C_SWITCH_MACHINE -cckr
dcb70223	22	#endif
66c7840d RS	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
	29	#define WNOHANG 0x1
	30
	31	/* No need to use sprintf to get the tty name--we get that from _getpty. */
00c582c7	32	#undef PTY_TTY_NAME_SPRINTF
66c7840d RS	33	#define PTY_TTY_NAME_SPRINTF
	34	/* No need to get the pty name at all. */
	35	#define PTY_NAME_SPRINTF
66c7840d RS	36	/* We need only try once to open a pty. */
	37	#define PTY_ITERATION
	38	/* Here is how to do it. */
	39	/* It is necessary to prevent SIGCHLD signals within _getpty.
	40	So we block them. */
	41	#define PTY_OPEN \
	42	{ \
	43	int mask = sigblock (sigmask (SIGCHLD)); \
	44	char *name = _getpty (&fd, O_RDWR \| O_NDELAY, 0600, 0); \
	45	sigsetmask(mask); \
	46	if (name == 0) \
	47	return -1; \
	48	if (fd < 0) \
	49	return -1; \
	50	if (fstat (fd, &stb) < 0) \
	51	return -1; \
	52	strcpy (pty_name, name); \
	53	}
04f4386e RS	54
	55	/* jpff@maths.bath.ac.uk reports `struct exception' is not defined
	56	on this system, so inhibit use of matherr. */
	57	#define NO_MATHERR