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 #ifndef NOT_C_CODE
  33 #ifndef __GNUC__
  34 #include <alloca.h>
  35 #endif
  36 #endif
  37
  38 /* SGI has all the fancy wait stuff, but we can't include sys/wait.h
  39    because it defines BIG_ENDIAN and LITTLE_ENDIAN (ugh!.)  Instead
  40    we'll just define WNOHANG right here.
  41    (An implicit decl is good enough for wait3.)  */
  42
  43 /* #define WNOHANG              0x1 */
  44
  45 /* No need to use sprintf to get the tty name--we get that from _getpty.  */
  46 #ifdef PTY_TTY_NAME_SPRINTF
  47 #undef PTY_TTY_NAME_SPRINTF
  48 #endif
  49 #define PTY_TTY_NAME_SPRINTF
  50 /* No need to get the pty name at all.  */
  51 #ifdef PTY_NAME_SPRINTF
  52 #undef PTY_NAME_SPRINTF
  53 #endif
  54 #define PTY_NAME_SPRINTF
  55 #ifdef emacs
  56 char *_getpty();
  57 #endif
  58 /* We need only try once to open a pty.  */
  59 #define PTY_ITERATION
  60 /* Here is how to do it.  */
  61 #define PTY_OPEN                                            \
  62 {                                                           \
  63   struct sigaction ocstat, cstat;                           \
  64   char * name;                                              \
  65   sigemptyset(&cstat.sa_mask);                              \
  66   cstat.sa_handler = SIG_DFL;                               \
  67   cstat.sa_flags = 0;                                       \
  68   sigaction(SIGCLD, &cstat, &ocstat);                       \
  69   name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0);         \
  70   sigaction(SIGCLD, &ocstat, (struct sigaction *)0);        \
  71   if (name == 0)                                            \
  72     return -1;                                              \
  73   if (fd < 0)                                               \
  74     return -1;                                              \
  75   if (fstat (fd, &stb) < 0)                                 \
  76     return -1;                                              \
  77   strcpy (pty_name, name);                                  \
  78 }
  79
  80 /* Since we use POSIX constructs in PTY_OPEN, we must force POSIX
  81    throughout. */
  82 #define POSIX_SIGNALS
  83
  84 /* Info from simon@lia.di.epfl.ch (Simon Leinen) suggests this is needed.  */
  85 #define GETPGRP_NO_ARG
  86
  87 /* Ulimit(UL_GMEMLIM) is busted...  */
  88 #define ULIMIT_BREAK_VALUE 0x14000000
  89
  90 /* Tell process_send_signal to use VSUSP instead of VSWTCH.  */
  91 #define PREFER_VSUSP
  92
  93 /* define MAIL_USE_FLOCK if the mailer uses flock
  94    to interlock access to /usr/spool/mail/$USER.
  95    The alternative is that a lock file named
  96    /usr/spool/mail/$USER.lock.  */
  97
  98 #define MAIL_USE_FLOCK
  99
 100 /* use K&R C */
 101 #if 0
 102 #ifndef __GNUC__
 103 #define C_SWITCH_SYSTEM -cckr
 104 #endif
 105 #endif
 106
 107 /* -g used not to work on Irix unless you used gas, and since gcc
 108    warns if you use it, turn off the warning.  */
 109 /* -g does now work, at least on recent Irix 6 versions with gcc 2.95;
 110     I'm not sure about Irix 5 -- fx  */
 111 #ifdef __GNUC__
 112 #define C_DEBUG_SWITCH
 113 #endif
 114
 115 /* Prevent the variable ospeed from being defined by -lcurses
 116    because it defines it with too few bytes.  */
 117 #define ospeed ospeed_
 118
 119 #define NARROWPROTO 1
 120
 121 #define USE_MMAP_FOR_BUFFERS 1