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/* s/ file for Unixware.

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Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
  2008, 2009, 2010  Free Software Foundation, Inc.
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This file is part of GNU Emacs.

GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */


#include "usg5-4.h"

/* fnf@cygnus.com says these exist.  */
#define HAVE_TCATTR
/* #define HAVE_GETWD  (appears to be buggy on SVR4.2) */
#undef HAVE_GETWD

#undef HAVE_SYSV_SIGPAUSE

/* This is the same definition as in usg5-4.h, but with sigblock/sigunblock
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   rather than sighold/sigrelse, which appear to be BSD4.1 specific.
   It may also be appropriate for SVR4.x
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   (x<2) but I'm not sure.   fnf@cygnus.com */
/* This sets the name of the slave side of the PTY.  On SysVr4,
   grantpt(3) forks a subprocess, so keep sigchld_handler() from
   intercepting that death.  If any child but grantpt's should die
   within, it should be caught after sigrelse(2). */

#define PTY_TTY_NAME_SPRINTF			\
  {						\
    char *ptsname(), *ptyname;			\
						\
    sigblock(sigmask(SIGCLD));			\
    if (grantpt(fd) == -1)			\
      fatal("could not grant slave pty");	\
    sigunblock(sigmask(SIGCLD));		\
    if (unlockpt(fd) == -1)			\
      fatal("could not unlock slave pty");	\
    if (!(ptyname = ptsname(fd)))		\
      fatal ("could not enable slave pty");	\
    strncpy(pty_name, ptyname, sizeof(pty_name)); \
    pty_name[sizeof(pty_name) - 1] = 0;		\
  }

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/* Data type of load average, as read out of kmem.  */

#define LOAD_AVE_TYPE long

/* Convert that into an integer that is 100 for a load average of 1.0  */
/* This is totally uncalibrated. */

#define LOAD_AVE_CVT(x) ((int) (((double) (x)) * 100.0 / FSCALE))
#define FSCALE 256.0


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#define	PENDING_OUTPUT_COUNT(FILE) ((FILE)->__ptr - (FILE)->__base)
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/* arch-tag: d82e92e7-9443-4a60-a581-7f293cbae8a3
   (do not change this comment) */