src/s/irix5-0.h

   1 #include "s-usg5-4.h"
   2 #ifdef LIBS_SYSTEM
   3 #undef LIBS_SYSTEM
   4 #endif
   5
   6 #ifdef SYSTEM_TYPE
   7 #undef SYSTEM_TYPE
   8 #endif
   9 #define SYSTEM_TYPE "silicon-graphics-unix"
  10
  11 #ifdef SETUP_SLAVE_PTY
  12 #undef SETUP_SLAVE_PTY
  13 #endif
  14
  15
  16 /* Define HAVE_ALLOCA to say that the system provides a properly
  17    working alloca function and it should be used. */
  18 #define HAVE_ALLOCA
  19 #undef C_ALLOCA
  20 #define alloca __builtin_alloca
  21
  22 /* use K&R C */
  23 #ifndef __GNUC__
  24 #define C_SWITCH_MACHINE -cckr
  25 #endif
  26
  27 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
  28    because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.)  Instead
  29    we'll just define WNOHANG right here.
  30    (An implicit decl is good enough for wait3.)  */
  31
  32 /* #define WNOHANG              0x1 */
  33
  34 /* No need to use sprintf to get the tty name--we get that from _getpty.  */
  35 #ifdef PTY_TTY_NAME_SPRINTF
  36 #undef PTY_TTY_NAME_SPRINTF
  37 #endif
  38 #define PTY_TTY_NAME_SPRINTF
  39 /* No need to get the pty name at all.  */
  40 #ifdef PTY_NAME_SPRINTF
  41 #undef PTY_NAME_SPRINTF
  42 #endif
  43 #define PTY_NAME_SPRINTF
  44 #ifdef emacs
  45 char *_getpty();
  46 #endif
  47 /* We need only try once to open a pty.  */
  48 #define PTY_ITERATION
  49 /* Here is how to do it.  */
  50 /* It is necessary to prevent SIGCHLD signals within _getpty.
  51    So we block them. */
  52 #define PTY_OPEN                                                \
  53 {                                                               \
  54   int mask = sigblock (sigmask (SIGCHLD));                      \
  55   char *name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0);       \
  56   sigsetmask(mask);                                             \
  57   if (name == 0)                                                \
  58     return -1;                                                  \
  59   if (fd < 0)                                                   \
  60     return -1;                                                  \
  61   if (fstat (fd, &stb) < 0)                                     \
  62     return -1;                                                  \
  63   strcpy (pty_name, name);                                      \
  64 }