src/s/sol2-6.h

   1 /* Definitions file for GNU Emacs running on Solaris 2.6.
   2
   3 Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
   4   2008, 2009, 2010  Free Software Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software: you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation, either version 3 of the License, or
  11 (at your option) any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #include "usg5-4.h"
  22
  23 #define SOLARIS2
  24
  25 /* This triggers a conditional in xfaces.c.  */
  26 #define XOS_NEEDS_TIME_H
  27
  28 #define POSIX
  29
  30 /* Prefer kstat over kvm in getloadavg.c, kstat doesn't require root.
  31    ghazi@caip.rutgers.edu, 7/21/97.  Don't redefine if already defined
  32    (e.g., by config.h). */
  33 #ifndef HAVE_LIBKSTAT
  34 #define HAVE_LIBKSTAT
  35 #endif
  36
  37 /* inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
  38    XIM support.  */
  39 #define INHIBIT_X11R6_XIM
  40
  41 /* This is the same definition as in usg5-4.h, but with sigblock/sigunblock
  42    rather than sighold/sigrelse, which appear to be BSD4.1 specific.
  43    It may also be appropriate for SVR4.x
  44    (x<2) but I'm not sure.   fnf@cygnus.com */
  45 /* This sets the name of the slave side of the PTY.  On SysVr4,
  46    grantpt(3) forks a subprocess, so keep sigchld_handler() from
  47    intercepting that death.  If any child but grantpt's should die
  48    within, it should be caught after sigrelse(2). */
  49
  50 #define PTY_TTY_NAME_SPRINTF                    \
  51   {                                             \
  52     char *ptsname (), *ptyname;                 \
  53                                                 \
  54     sigblock (sigmask (SIGCLD));                \
  55     if (grantpt (fd) == -1)                     \
  56       { emacs_close (fd); return -1; }          \
  57     sigunblock (sigmask (SIGCLD));              \
  58     if (unlockpt (fd) == -1)                    \
  59       { emacs_close (fd); return -1; }          \
  60     if (!(ptyname = ptsname (fd)))              \
  61       { emacs_close (fd); return -1; }          \
  62     strncpy (pty_name, ptyname, sizeof (pty_name)); \
  63     pty_name[sizeof (pty_name) - 1] = 0;        \
  64   }
  65
  66 /* This is the only known way to avoid some crashes
  67    that seem to relate to screwed up malloc data
  68    after deleting a frame.  */
  69 /* rms: I think the problems using ralloc had to do with system
  70    libraries that called the system malloc even if we linked in the
  71    GNU malloc.  I could not see any way to fix the problem except to
  72    have just one malloc and that had to be the system one.  */
  73 /* This is not always necessary.  Turned off at present for testers to
  74    identify any problems with gmalloc more accurately.  */
  75 /* #define SYSTEM_MALLOC */
  76
  77 /* Probably OK also on earlier versions.  */
  78 #define GC_SETJMP_WORKS 1
  79 #define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
  80
  81 /* arch-tag: 71ea3857-89dc-4395-9623-77964e6ed3ca
  82    (do not change this comment) */