src/s/irix5-0.h

   1 #include "usg5-4.h"
   2
   3 #define IRIX5
   4
   5 #undef sigsetmask  /* use sys_sigsetmask */
   6 #undef _longjmp /* use system versions, not conservative aliases */
   7 #undef _setjmp
   8
   9 #define SETPGRP_RELEASES_CTTY
  10
  11 #ifdef LIBS_SYSTEM
  12 #undef LIBS_SYSTEM
  13 #endif
  14
  15 #ifdef LIB_STANDARD
  16 #undef LIB_STANDARD
  17 #endif
  18
  19 #ifdef SYSTEM_TYPE
  20 #undef SYSTEM_TYPE
  21 #endif
  22 #define SYSTEM_TYPE "irix"
  23
  24 #ifdef SETUP_SLAVE_PTY
  25 #undef SETUP_SLAVE_PTY
  26 #endif
  27
  28 /* thomas@mathematik.uni-bremen.de says this is needed.  */
  29 /* Make process_send_signal work by "typing" a signal character on the pty.  */
  30 #define SIGNALS_VIA_CHARACTERS
  31
  32 /* Define HAVE_ALLOCA to say that the system provides a properly
  33    working alloca function and it should be used. */
  34 #define HAVE_ALLOCA
  35 #undef C_ALLOCA
  36
  37 #ifndef NOT_C_CODE
  38 #ifndef __GNUC__
  39 #include <alloca.h>
  40 #endif
  41 #endif
  42
  43 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
  44    because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.)  Instead
  45    we'll just define WNOHANG right here.
  46    (An implicit decl is good enough for wait3.)  */
  47
  48 /* #define WNOHANG              0x1 */
  49
  50 /* No need to use sprintf to get the tty name--we get that from _getpty.  */
  51 #ifdef PTY_TTY_NAME_SPRINTF
  52 #undef PTY_TTY_NAME_SPRINTF
  53 #endif
  54 #define PTY_TTY_NAME_SPRINTF
  55 /* No need to get the pty name at all.  */
  56 #ifdef PTY_NAME_SPRINTF
  57 #undef PTY_NAME_SPRINTF
  58 #endif
  59 #define PTY_NAME_SPRINTF
  60 #ifdef emacs
  61 char *_getpty();
  62 #endif
  63 /* We need only try once to open a pty.  */
  64 #define PTY_ITERATION
  65 /* Here is how to do it.  */
  66 #define PTY_OPEN                                            \
  67 {                                                           \
  68   struct sigaction ocstat, cstat;                           \
  69   char * name;                                              \
  70   sigemptyset(&cstat.sa_mask);                              \
  71   cstat.sa_handler = SIG_DFL;                               \
  72   cstat.sa_flags = 0;                                       \
  73   sigaction(SIGCLD, &cstat, &ocstat);                       \
  74   name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0);         \
  75   sigaction(SIGCLD, &ocstat, (struct sigaction *)0);        \
  76   if (name == 0)                                            \
  77     return -1;                                              \
  78   if (fd < 0)                                               \
  79     return -1;                                              \
  80   if (fstat (fd, &stb) < 0)                                 \
  81     return -1;                                              \
  82   strcpy (pty_name, name);                                  \
  83 }
  84
  85 /* Since we use POSIX constructs in PTY_OPEN, we must force POSIX
  86    throughout. */
  87 #define POSIX_SIGNALS
  88
  89 /* jpff@maths.bath.ac.uk reports `struct exception' is not defined
  90    on this system, so inhibit use of matherr.  */
  91 #define NO_MATHERR
  92
  93 /* Info from simon@lia.di.epfl.ch (Simon Leinen) suggests this is needed.  */
  94 #define GETPGRP_NO_ARG
  95
  96 /* Ulimit(UL_GMEMLIM) is busted...  */
  97 #define ULIMIT_BREAK_VALUE 0x14000000
  98
  99 /* Tell process_send_signal to use VSUSP instead of VSWTCH.  */
 100 #define PREFER_VSUSP
 101
 102 /* Because unexsgi.c cannot handle a ".sbss" section yet, we must
 103    tell the linker to avoid making one.  SGI's cc does this by
 104    default, but GCC (at least 2.5.8 and 2.6.0) doesn't. */
 105 #ifdef __GNUC__
 106 #define LD_SWITCH_SYSTEM -G 0
 107 #endif
 108
 109 /* define MAIL_USE_FLOCK if the mailer uses flock
 110    to interlock access to /usr/spool/mail/$USER.
 111    The alternative is that a lock file named
 112    /usr/spool/mail/$USER.lock.  */
 113
 114 #define MAIL_USE_FLOCK
 115
 116 /* use K&R C */
 117 #ifndef __GNUC__
 118 #define C_SWITCH_SYSTEM -cckr
 119 #endif
 120
 121 /* -g does not work on Irix, and since gcc warns if you use it,
 122    turn off the warning.  */
 123 #ifdef __GNUC__
 124 #define C_DEBUG_SWITCH
 125 #endif
 126
 127 /* Prevent the variable ospeed from being defined by -lcurses
 128    because it defines it with too few bytes.  */
 129 #define ospeed ospeed_