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 IRIS_UTIME
  12 #undef NEED_SIOCTL
  13
  14 /* Make process_send_signal work by "typing" a signal character on the pty.  */
  15 #define SIGNALS_VIA_CHARACTERS
  16
  17 /* use K&R C */
  18 #ifndef __GNUC__
  19 #define C_SWITCH_MACHINE -cckr
  20 #endif
  21
  22 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
  23    because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.)  Instead
  24    we'll just define WNOHANG right here.
  25    (An implicit decl is good enough for wait3.)  */
  26
  27 #define WNOHANG         0x1
  28
  29 /* No need to use sprintf to get the tty name--we get that from _getpty.  */
  30 #undef PTY_TTY_NAME_SPRINTF
  31 #define PTY_TTY_NAME_SPRINTF
  32 /* No need to get the pty name at all.  */
  33 #define PTY_NAME_SPRINTF
  34 /* We need only try once to open a pty.  */
  35 #define PTY_ITERATION
  36 /* Here is how to do it.  */
  37 /* It is necessary to prevent SIGCHLD signals within _getpty.
  38    So we block them. */
  39 #define PTY_OPEN                                                \
  40 {                                                               \
  41   int mask = sigblock (sigmask (SIGCHLD));                      \
  42   char *name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0);       \
  43   sigsetmask(mask);                                             \
  44   if (name == 0)                                                \
  45     return -1;                                                  \
  46   if (fd < 0)                                                   \
  47     return -1;                                                  \
  48   if (fstat (fd, &stb) < 0)                                     \
  49     return -1;                                                  \
  50   strcpy (pty_name, name);                                      \
  51 }
  52
  53 /* jpff@maths.bath.ac.uk reports `struct exception' is not defined
  54    on this system, so inhibit use of matherr.  */
  55 #define NO_MATHERR