Initial revision

1 files changed, 50 insertions, 0 deletions

diff --git a/src/w32.h b/src/w32.h
new file mode 100644
index 00000000000..f5a701dcb13
--- /dev/null
+++ b/src/w32.h
@@ -0,0 +1,50 @@
+/* Support routines for the NT version of Emacs.
+   Copyright (C) 1994 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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* File descriptor set emulation.  */
+
+#ifdef FD_SET
+/* We could get this from param.h, but better not to depend on finding that.
+   And better not to risk that it might define other symbols used in this
+   file.  */
+#ifdef FD_SETSIZE
+#define MAXDESC FD_SETSIZE
+#else
+#define MAXDESC 64
+#endif
+#define SELECT_TYPE fd_set
+#else /* no FD_SET */
+#define MAXDESC 32
+#define SELECT_TYPE int
+
+/* Define the macros to access a single-int bitmap of descriptors.  */
+#define FD_SET(n, p) (*(p) |= (1 << (n)))
+#define FD_CLR(n, p) (*(p) &= ~(1 << (n)))
+#define FD_ISSET(n, p) (*(p) & (1 << (n)))
+#define FD_ZERO(p) (*(p) = 0)
+#endif /* no FD_SET */
+
+/* Prepare our standard handles for proper inheritance by child processes.  */
+extern void prepare_standard_handles (int in, int out, 
+				      int err, HANDLE handles[4]);
+
+/* Reset our standard handles to their original state.  */
+extern void reset_standard_handles (int in, int out, 
+				    int err, HANDLE handles[4]);
+