1 /* Support routines for the NT version of Emacs.
2 Copyright (C) 1994 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* File descriptor set emulation. */
24 /* We could get this from param.h, but better not to depend on finding that.
25 And better not to risk that it might define other symbols used in this
28 #define MAXDESC FD_SETSIZE
32 #define SELECT_TYPE fd_set
35 #define SELECT_TYPE int
37 /* Define the macros to access a single-int bitmap of descriptors. */
38 #define FD_SET(n, p) (*(p) |= (1 << (n)))
39 #define FD_CLR(n, p) (*(p) &= ~(1 << (n)))
40 #define FD_ISSET(n, p) (*(p) & (1 << (n)))
41 #define FD_ZERO(p) (*(p) = 0)
42 #endif /* no FD_SET */
44 /* Prepare our standard handles for proper inheritance by child processes. */
45 extern void prepare_standard_handles (int in
, int out
,
46 int err
, HANDLE handles
[4]);
48 /* Reset our standard handles to their original state. */
49 extern void reset_standard_handles (int in
, int out
,
50 int err
, HANDLE handles
[4]);
52 /* Return the string resource associated with KEY of type TYPE. */
53 extern LPBYTE
nt_get_resource (char *key
, LPDWORD type
);