Merge changes from emacs-24; up to 2012-04-26T02:03:19Z!ueno@unixuser.org

[gnu-emacs] / src / s / cygwin.h

diff --git a/src/s/cygwin.h b/src/s/cygwin.h
index 774ef3a9ab5cb9b6a23bf8bb181fe9dd2348a9a4..9b437341324523b8c75fbd7cf724903749f1db89 100644 (file)
--- a/src/s/cygwin.h
+++ b/src/s/cygwin.h
@@ -1,7 +1,6 @@
 /* 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.
+Copyright (C) 1985-1986, 1992, 1999, 2002-2012 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -18,10 +17,6 @@ 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.
@@ -47,7 +42,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* Define HAVE_PTYS if the system supports pty devices.  */
 #define HAVE_PTYS
-#define PTY_ITERATION          for (i = 0; i < 1; i++) /* ick */
+#define PTY_ITERATION          int i; for (i = 0; i < 1; i++) /* ick */
 #define PTY_NAME_SPRINTF       /* none */
 #define PTY_TTY_NAME_SPRINTF   /* none */
 #define PTY_OPEN                                       \
@@ -59,7 +54,8 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
       if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) \
        fd = -1;                                        \
       sigsetmask (mask);                               \
-      emacs_close (dummy);                             \
+      if (fd >= 0)                                     \
+       emacs_close (dummy);                            \
     }                                                  \
   while (0)
 
@@ -82,19 +78,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #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
@@ -103,6 +86,3 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* 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) */