code.delx.au - gnu-emacs/blob - 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, 2011  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-common.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 /* This is the same definition as in usg5-4-common.h, but with sigblock/sigunblock
  38    rather than sighold/sigrelse, which appear to be BSD4.1 specific.
  39    It may also be appropriate for SVR4.x
  40    (x<2) but I'm not sure.   fnf@cygnus.com */
  41 /* This sets the name of the slave side of the PTY.  On SysVr4,
  42    grantpt(3) forks a subprocess, so keep sigchld_handler() from
  43    intercepting that death.  If any child but grantpt's should die
  44    within, it should be caught after sigrelse(2). */
  45
  46 #define PTY_TTY_NAME_SPRINTF                    \
  47   {                                             \
  48     char *ptsname (), *ptyname;                 \
  49                                                 \
  50     sigblock (sigmask (SIGCLD));                \
  51     if (grantpt (fd) == -1)                     \
  52       { emacs_close (fd); return -1; }          \
  53     sigunblock (sigmask (SIGCLD));              \
  54     if (unlockpt (fd) == -1)                    \
  55       { emacs_close (fd); return -1; }          \
  56     if (!(ptyname = ptsname (fd)))              \
  57       { emacs_close (fd); return -1; }          \
  58     strncpy (pty_name, ptyname, sizeof (pty_name)); \
  59     pty_name[sizeof (pty_name) - 1] = 0;        \
  60   }
  61
  62 #define GC_SETJMP_WORKS 1
  63 #define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
  64