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authorJuanma Barranquero <[email protected]>2003-01-31 15:05:24 +0000
committerJuanma Barranquero <[email protected]>2003-01-31 15:05:24 +0000
commit2454c12d458c60b871f6f36c3fd6ba752aad61bf (patch)
tree9697fde90aa13f3a6a91f4e6142847f96af75fa5 /src/s
parenta34804da47691d42ccbd99e8b914dadc23ef9bdc (diff)
Initial revision.
Diffstat (limited to 'src/s')
-rw-r--r--src/s/cygwin.h146
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diff --git a/src/s/cygwin.h b/src/s/cygwin.h
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+/* Template for system description header files.
+ This file describes the parameters that system description files
+ should define or not.
+ Copyright (C) 1985, 1986, 1992, 1999 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 2, 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; see the file COPYING. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* 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_TERMIOS if the system provides POSIX-style
+ * functions and macros for terminal control.
+ *
+ * Define HAVE_TERMIO if the system provides sysV-style ioctls
+ * for terminal control.
+ *
+ * Do not define both. HAVE_TERMIOS is preferred, if it is
+ * supported on your system.
+ */
+
+#define HAVE_TERMIOS
+
+/*
+ * 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 this symbol if your system has the functions bcopy, etc. */
+
+#define BSTRING
+
+/* subprocesses should be defined if you want to
+ have code for asynchronous subprocesses
+ (as used in M-x compile and M-x shell).
+ This is generally OS dependent, and not supported
+ under most USG systems. */
+
+#define subprocesses
+
+/* 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 GETPGRP_NO_ARG 1
+#define SYSV_SYSTEM_DIR 1
+/* -lutil comes from inetutils and has pty functions in it */
+#define LIBS_SYSTEM -lutil
+/* undumping is not implemented yet */
+#define CANNOT_DUMP 1
+#define POSIX_SIGNALS 1
+/* force the emacs image to start high in memory, so dll relocation
+ can put things in low memory without causing all sorts of grief for
+ emacs lisp pointers */
+#define DATA_SEG_BITS 0x20000000
+#define LINKER $(CC) -Wl,--image-base,DATA_SEG_BITS
+/* gettext.h is in a strange place */
+#define C_SWITCH_SYSTEM -I/usr/share/gettext
+
+/* Use terminfo instead of termcap. Fewer environment variables to
+ go wrong, more terminal types. */
+#define TERMINFO
+
+#define HAVE_SOCKETS
+/* C-g aborts emacs without this */
+/*#define HAVE_VFORK*/
+/* Xaw3d causes problems -- might have been fixed by NARROWPROTO
+ above, but I haven't tried it */
+#undef HAVE_XAW3D
+
+/* vfork() interacts badly with setsid(), causing ptys to fail to
+ change their controlling terminal */
+#define vfork fork
+
+/* the end */