src/s/sol2-6.h

   1 /* Definitions file for GNU Emacs running on Solaris 2.6.
   2
   3 Copyright (C) 1999-2012  Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software: you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation, either version 3 of the License, or
  10 (at your option) any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "usg5-4-common.h"
  21
  22 #define SOLARIS2
  23
  24 /* This triggers a conditional in xfaces.c.  */
  25 #define XOS_NEEDS_TIME_H
  26
  27 #define POSIX
  28
  29 /* Prefer kstat over kvm in getloadavg.c, kstat doesn't require root.
  30    ghazi@caip.rutgers.edu, 7/21/97.  Don't redefine if already defined
  31    (e.g., by config.h). */
  32 #ifndef HAVE_LIBKSTAT
  33 #define HAVE_LIBKSTAT
  34 #endif
  35
  36 /* This is the same definition as in usg5-4-common.h, but with sigblock/sigunblock
  37    rather than sighold/sigrelse, which appear to be BSD4.1 specific.
  38    It may also be appropriate for SVR4.x
  39    (x<2) but I'm not sure.   fnf@cygnus.com */
  40 /* This sets the name of the slave side of the PTY.  On SysVr4,
  41    grantpt(3) forks a subprocess, so keep sigchld_handler() from
  42    intercepting that death.  If any child but grantpt's should die
  43    within, it should be caught after sigrelse(2). */
  44
  45 #define PTY_TTY_NAME_SPRINTF                    \
  46   {                                             \
  47     char *ptsname (int), *ptyname;              \
  48                                                 \
  49     sigblock (sigmask (SIGCLD));                \
  50     if (grantpt (fd) == -1)                     \
  51       { emacs_close (fd); return -1; }          \
  52     sigunblock (sigmask (SIGCLD));              \
  53     if (unlockpt (fd) == -1)                    \
  54       { emacs_close (fd); return -1; }          \
  55     if (!(ptyname = ptsname (fd)))              \
  56       { emacs_close (fd); return -1; }          \
  57     strncpy (pty_name, ptyname, sizeof (pty_name)); \
  58     pty_name[sizeof (pty_name) - 1] = 0;        \
  59   }
  60
  61 #define GC_SETJMP_WORKS 1