code.delx.au - gnu-emacs/blob - src/s/irix5-0.h

   1 #include "usg5-4.h"
   2
   3 #define IRIX5
   4
   5 #define SETPGRP_RELEASES_CTTY
   6
   7 #ifdef LIBS_SYSTEM
   8 #undef LIBS_SYSTEM
   9 #endif
  10
  11 #ifdef LIB_STANDARD
  12 #undef LIB_STANDARD
  13 #endif
  14
  15 #ifdef SYSTEM_TYPE
  16 #undef SYSTEM_TYPE
  17 #endif
  18 #define SYSTEM_TYPE "irix"
  19
  20 #ifdef SETUP_SLAVE_PTY
  21 #undef SETUP_SLAVE_PTY
  22 #endif
  23
  24 /* thomas@mathematik.uni-bremen.de says this is needed.  */
  25 /* Make process_send_signal work by "typing" a signal character on the pty.  */
  26 #define SIGNALS_VIA_CHARACTERS
  27
  28 /* Define HAVE_ALLOCA to say that the system provides a properly
  29    working alloca function and it should be used. */
  30 #define HAVE_ALLOCA
  31 #undef C_ALLOCA
  32
  33 #ifndef NOT_C_CODE
  34 #ifndef __GNUC__
  35 #include <alloca.h>
  36 #endif
  37 #endif
  38
  39 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
  40    because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.)  Instead
  41    we'll just define WNOHANG right here.
  42    (An implicit decl is good enough for wait3.)  */
  43
  44 /* #define WNOHANG              0x1 */
  45
  46 /* No need to use sprintf to get the tty name--we get that from _getpty.  */
  47 #ifdef PTY_TTY_NAME_SPRINTF
  48 #undef PTY_TTY_NAME_SPRINTF
  49 #endif
  50 #define PTY_TTY_NAME_SPRINTF
  51 /* No need to get the pty name at all.  */
  52 #ifdef PTY_NAME_SPRINTF
  53 #undef PTY_NAME_SPRINTF
  54 #endif
  55 #define PTY_NAME_SPRINTF
  56 #ifdef emacs
  57 char *_getpty();
  58 #endif
  59 /* We need only try once to open a pty.  */
  60 #define PTY_ITERATION
  61 /* Here is how to do it.  */
  62 #define PTY_OPEN                                            \
  63 {                                                           \
  64   struct sigaction ocstat, cstat;                           \
  65   char * name;                                              \
  66   sigemptyset(&cstat.sa_mask);                              \
  67   cstat.sa_handler = SIG_DFL;                               \
  68   cstat.sa_flags = 0;                                       \
  69   sigaction(SIGCLD, &cstat, &ocstat);                       \
  70   name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0);         \
  71   sigaction(SIGCLD, &ocstat, (struct sigaction *)0);        \
  72   if (name == 0)                                            \
  73     return -1;                                              \
  74   if (fd < 0)                                               \
  75     return -1;                                              \
  76   if (fstat (fd, &stb) < 0)                                 \
  77     return -1;                                              \
  78   strcpy (pty_name, name);                                  \
  79 }
  80
  81 /* Since we use POSIX constructs in PTY_OPEN, we must force POSIX
  82    throughout. */
  83 #define POSIX_SIGNALS
  84
  85 /* jpff@maths.bath.ac.uk reports `struct exception' is not defined
  86    on this system, so inhibit use of matherr.  */
  87 #define NO_MATHERR
  88
  89 /* Info from simon@lia.di.epfl.ch (Simon Leinen) suggests this is needed.  */
  90 #define GETPGRP_NO_ARG
  91
  92 /* Ulimit(UL_GMEMLIM) is busted...  */
  93 #define ULIMIT_BREAK_VALUE 0x14000000
  94
  95 /* Tell process_send_signal to use VSUSP instead of VSWTCH.  */
  96 #define PREFER_VSUSP
  97
  98 /* Because unexsgi.c cannot handle a ".sbss" section yet, we must
  99    tell the linker to avoid making one.  SGI's cc does this by
 100    default, but GCC (at least 2.5.8 and 2.6.0) doesn't. */
 101 #ifdef __GNUC__
 102 #define LD_SWITCH_SYSTEM -G 0
 103 #endif
 104
 105 /* define MAIL_USE_FLOCK if the mailer uses flock
 106    to interlock access to /usr/spool/mail/$USER.
 107    The alternative is that a lock file named
 108    /usr/spool/mail/$USER.lock.  */
 109
 110 #define MAIL_USE_FLOCK
 111
 112 /* use K&R C */
 113 #ifndef __GNUC__
 114 #define C_SWITCH_SYSTEM -cckr
 115 #endif