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/* System description header file for Cygwin.
Copyright (C) 1985, 1986, 1992, 1999, 2002, 2003, 2004, 2005, 2006,
2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
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/>. */
/* SYSTEM_TYPE should indicate the kind of system you are using.
It sets the Lisp variable system-type. */
#define SYSTEM_TYPE "cygwin"
/* Emacs can read input using SIGIO and buffering characters itself,
or using CBREAK mode and making C-g cause SIGINT.
The choice is controlled by the variable interrupt_input.
Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
Emacs uses the presence or absence of the SIGIO and BROKEN_SIGIO macros
to indicate whether or not signal-driven I/O is possible. It uses
INTERRUPT_INPUT to decide whether to use it by default.
SIGIO can be used only on systems that implement it (4.2 and 4.3).
CBREAK mode has two disadvantages
1) At least in 4.2, it is impossible to handle the Meta key properly.
I hear that in system V this problem does not exist.
2) Control-G causes output to be discarded.
I do not know whether this can be fixed in system V.
Another method of doing input is planned but not implemented.
It would have Emacs fork off a separate process
to read the input and send it to the true Emacs process
through a pipe. */
#undef INTERRUPT_INPUT
/* Define HAVE_PTYS if the system supports pty devices. */
#define HAVE_PTYS
#define PTY_ITERATION for (i = 0; i < 1; i++) /* ick */
#define PTY_NAME_SPRINTF /* none */
#define PTY_TTY_NAME_SPRINTF /* none */
#define PTY_OPEN \
do \
{ \
int dummy; \
SIGMASKTYPE mask; \
mask = sigblock (sigmask (SIGCHLD)); \
if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) \
fd = -1; \
sigsetmask (mask); \
emacs_close (dummy); \
} \
while (0)
/* Define CLASH_DETECTION if you want lock files to be written
so that Emacs can tell instantly when you try to modify
a file that someone else has modified in his Emacs. */
#define CLASH_DETECTION
/* If the system's imake configuration file defines `NeedWidePrototypes'
as `NO', we must define NARROWPROTO manually. Such a define is
generated in the Makefile generated by `xmkmf'. If we don't
define NARROWPROTO, we will see the wrong function prototypes
for X functions taking float or double parameters. */
#define NARROWPROTO 1
/* Used in various places to enable cygwin-specific code changes. */
#define CYGWIN 1
#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_p - (FILE)->_bf._base)
#define HAVE_SOCKETS
/* vfork() interacts badly with setsid(), causing ptys to fail to
change their controlling terminal */
#define vfork fork
/* This should work (at least when compiling with gcc). But I have no way
or intention to verify or even test it. If you encounter a problem with
it, feel free to change this setting, but please add a comment here about
why it needed to be changed. */
#define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
/* Virtual addresses of pure and impure space can vary, as on Windows. */
#define VIRT_ADDR_VARIES
/* Emacs supplies its own malloc, but glib (part of Gtk+) calls
memalign and on Cygwin, that becomes the Cygwin-supplied memalign.
As malloc is not the Cygwin malloc, the Cygwin memalign always
returns ENOSYS. A workaround is to set G_SLICE=always-malloc. */
#define G_SLICE_ALWAYS_MALLOC
/* Send signals to subprocesses by "typing" special chars at them. */
#define SIGNALS_VIA_CHARACTERS
/* arch-tag: 5ae7ba00-83b0-4ab3-806a-3e845779191b
(do not change this comment) */
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