src/s/irix4-0.h

   1 #include "irix3-3.h"
   2
   3 #define USG5_3
   4 #define IRIX4
   5
   6 #define HAVE_ALLOCA
   7 #ifndef NOT_C_CODE
   8 #include <alloca.h>
   9 #endif
  10
  11 #undef NEED_SIOCTL
  12
  13 /* Include unistd.h, even though we don't define POSIX.  */
  14 #define NEED_UNISTD_H
  15
  16 /* Make process_send_signal work by "typing" a signal character on the pty.  */
  17 #define SIGNALS_VIA_CHARACTERS
  18
  19 /* use K&R C */
  20 #ifndef __GNUC__
  21 #define C_SWITCH_MACHINE -cckr
  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
  29 #define WNOHANG         0x1
  30
  31 /* No need to use sprintf to get the tty name--we get that from _getpty.  */
  32 #undef PTY_TTY_NAME_SPRINTF
  33 #define PTY_TTY_NAME_SPRINTF
  34 /* No need to get the pty name at all.  */
  35 #define PTY_NAME_SPRINTF
  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 }
  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