src/s/irix5-0.h

   1 #include "usg5-4.h"
   2
   3 #define IRIX5
   4
   5 /* We want BSD style signals. */
   6 #define _BSD_SIGNALS
   7
   8 #define SETPGRP_RELEASES_CTTY
   9
  10 #ifdef LIBS_SYSTEM
  11 #undef LIBS_SYSTEM
  12 #endif
  13
  14 #ifdef LIB_STANDARD
  15 #undef LIB_STANDARD
  16 #endif
  17
  18 #ifdef SYSTEM_TYPE
  19 #undef SYSTEM_TYPE
  20 #endif
  21 #define SYSTEM_TYPE "irix"
  22
  23 #ifdef SETUP_SLAVE_PTY
  24 #undef SETUP_SLAVE_PTY
  25 #endif
  26
  27 /* thomas@mathematik.uni-bremen.de says this is needed.  */
  28 /* Make process_send_signal work by "typing" a signal character on the pty.  */
  29 #define SIGNALS_VIA_CHARACTERS
  30
  31 /* Define HAVE_ALLOCA to say that the system provides a properly
  32    working alloca function and it should be used. */
  33 #define HAVE_ALLOCA
  34 #undef C_ALLOCA
  35
  36 #ifndef NOT_C_CODE
  37 #ifndef __GNUC__
  38 #include <alloca.h>
  39 #endif
  40 #endif
  41
  42 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
  43    because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.)  Instead
  44    we'll just define WNOHANG right here.
  45    (An implicit decl is good enough for wait3.)  */
  46
  47 /* #define WNOHANG              0x1 */
  48
  49 /* No need to use sprintf to get the tty name--we get that from _getpty.  */
  50 #ifdef PTY_TTY_NAME_SPRINTF
  51 #undef PTY_TTY_NAME_SPRINTF
  52 #endif
  53 #define PTY_TTY_NAME_SPRINTF
  54 /* No need to get the pty name at all.  */
  55 #ifdef PTY_NAME_SPRINTF
  56 #undef PTY_NAME_SPRINTF
  57 #endif
  58 #define PTY_NAME_SPRINTF
  59 #ifdef emacs
  60 char *_getpty();
  61 #endif
  62 /* We need only try once to open a pty.  */
  63 #define PTY_ITERATION
  64 /* Here is how to do it.  */
  65 #define PTY_OPEN                                            \
  66 {                                                           \
  67   struct sigaction ocstat, cstat;                           \
  68   char * name;                                              \
  69   sigemptyset(&cstat.sa_mask);                              \
  70   cstat.sa_handler = SIG_DFL;                               \
  71   cstat.sa_flags = 0;                                       \
  72   sigaction(SIGCLD, &cstat, &ocstat);                       \
  73   name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0);         \
  74   sigaction(SIGCLD, &ocstat, (struct sigaction *)0);        \
  75   if (name == 0)                                            \
  76     return -1;                                              \
  77   if (fd < 0)                                               \
  78     return -1;                                              \
  79   if (fstat (fd, &stb) < 0)                                 \
  80     return -1;                                              \
  81   strcpy (pty_name, name);                                  \
  82 }
  83
  84 /* Since we use POSIX constructs in PTY_OPEN, we must force POSIX
  85    throughout. */
  86 #define POSIX_SIGNALS
  87
  88 /* jpff@maths.bath.ac.uk reports `struct exception' is not defined
  89    on this system, so inhibit use of matherr.  */
  90 #define NO_MATHERR
  91
  92 /* Info from simon@lia.di.epfl.ch (Simon Leinen) suggests this is needed.  */
  93 #define GETPGRP_NO_ARG
  94
  95 /* Ulimit(UL_GMEMLIM) is busted...  */
  96 #define ULIMIT_BREAK_VALUE 0x14000000
  97
  98 /* Tell process_send_signal to use VSUSP instead of VSWTCH.  */
  99 #define PREFER_VSUSP
 100
 101 /* Because unexsgi.c cannot handle a ".sbss" section yet, we must
 102    tell the linker to avoid making one.  SGI's cc does this by
 103    default, but GCC (at least 2.5.8 and 2.6.0) doesn't. */
 104 #ifdef __GNUC__
 105 #define LD_SWITCH_SYSTEM -G 0
 106 #endif
 107
 108 /* define MAIL_USE_FLOCK if the mailer uses flock
 109    to interlock access to /usr/spool/mail/$USER.
 110    The alternative is that a lock file named
 111    /usr/spool/mail/$USER.lock.  */
 112
 113 #define MAIL_USE_FLOCK
 114
 115 /* use K&R C */
 116 #ifndef __GNUC__
 117 #define C_SWITCH_SYSTEM -cckr
 118 #endif
 119
 120 /* -g does not work on Irix, and since gcc warns if you use it,
 121    turn off the warning.  */
 122 #ifdef __GNUC__
 123 #define C_DEBUG_SWITCH
 124 #endif