src/s/irix4-0.h

   1 #include "irix3-3.h"
   2
   3 #define USG5_3
   4 #define IRIX4
   5 /* XPointer is not defined in the older X headers  -- JPff@maths.bath.ac.uk */
   6 #define XPointer caddr_t
   7
   8 #ifndef NOT_C_CODE
   9 #include <alloca.h>
  10 #endif
  11
  12 #undef NEED_SIOCTL
  13
  14 /* Include unistd.h, even though we don't define POSIX.  */
  15 #define NEED_UNISTD_H
  16
  17 /* Make process_send_signal work by "typing" a signal character on the pty.  */
  18 #define SIGNALS_VIA_CHARACTERS
  19
  20 #ifndef __GNUC__
  21 /* use K&R C */
  22 /* We need to increase the expression tree space with -Wf,-XNh
  23    (ghazi@caip.rutgers.edu 7/8/97.)
  24 */
  25 #define C_SWITCH_SYSTEM -cckr -Wf,-XNh4000
  26 #endif
  27
  28 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
  29    because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.)  Instead
  30    we'll just define WNOHANG right here.
  31    (An implicit decl is good enough for wait3.)  */
  32
  33 #define WNOHANG         0x1
  34
  35 /* No need to use sprintf to get the tty name--we get that from _getpty.  */
  36 #undef PTY_TTY_NAME_SPRINTF
  37 #define PTY_TTY_NAME_SPRINTF
  38 /* No need to get the pty name at all.  */
  39 #define PTY_NAME_SPRINTF
  40 /* We need only try once to open a pty.  */
  41 #define PTY_ITERATION
  42 /* Here is how to do it.  */
  43 /* It is necessary to prevent SIGCHLD signals within _getpty.
  44    So we block them. */
  45 #define PTY_OPEN                                                \
  46 {                                                               \
  47   int mask = sigblock (sigmask (SIGCHLD));                      \
  48   char *name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0);       \
  49   sigsetmask(mask);                                             \
  50   if (name == 0)                                                \
  51     return -1;                                                  \
  52   if (fd < 0)                                                   \
  53     return -1;                                                  \
  54   if (fstat (fd, &stb) < 0)                                     \
  55     return -1;                                                  \
  56   strcpy (pty_name, name);                                      \
  57 }