git.chise.org Git - chise/xemacs-chise.git.1/blob - src/s/irix4-0.h

   1 /* Synched up with: FSF 19.31. */
   2
   3 #include "irix3-3.h"
   4
   5 #define USG5_3
   6 #define IRIX4
   7
   8 #undef NEED_SIOCTL
   9
  10 /* use K&R C */
  11 /* XEmacs change -- use ANSI, not K&R */
  12 #ifndef __GNUC__
  13 #define C_SWITCH_SYSTEM "-xansi"
  14 #endif
  15
  16 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
  17    because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.)  Instead
  18    we'll just define WNOHANG right here.
  19    (An implicit decl is good enough for wait3.)  */
  20 /* [XEmacs: Now that we don't use BIG_ENDIAN/LITTLE_ENDIAN, it's safe
  21    to include wait.h.  Should something change here?] */
  22
  23 #define WNOHANG         0x1
  24
  25 /* No need to use sprintf to get the tty name--we get that from _getpty.  */
  26 #undef PTY_TTY_NAME_SPRINTF
  27 #define PTY_TTY_NAME_SPRINTF
  28 /* No need to get the pty name at all.  */
  29 #define PTY_NAME_SPRINTF
  30 /* We need only try once to open a pty.  */
  31 #define PTY_ITERATION
  32 /* Here is how to do it.  */
  33 /* It is necessary to prevent SIGCHLD signals within _getpty.
  34    So we block them. */
  35 #define PTY_OPEN                                                \
  36 {                                                               \
  37   char *name;                                                   \
  38   struct stat stb;                                              \
  39   EMACS_BLOCK_SIGCHLD;                                          \
  40   name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0);             \
  41   EMACS_UNBLOCK_SIGCHLD;                                        \
  42   if (name == 0)                                                \
  43     return -1;                                                  \
  44   if (fd < 0)                                                   \
  45     return -1;                                                  \
  46   if (fstat (fd, &stb) < 0)                                     \
  47     return -1;                                                  \
  48   strcpy (pty_name, name);                                      \
  49 }
  50
  51 /* jpff@maths.bath.ac.uk reports `struct exception' is not defined
  52    on this system, so inhibit use of matherr.  */
  53 #define NO_MATHERR