1 /* Support routines for the NT version of XEmacs.
2 Copyright (C) 1994 Free Software Foundation, Inc.
4 This file is part of XEmacs.
6 XEmacs is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with XEmacs; 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 /* Adapted for XEmacs by David Hobley <david@spook-le0.cia.com.au> */
22 /* Sync'ed with Emacs 19.34.6 by Marc Paquette <marcpa@cam.org> */
24 /* #define FULL_DEBUG */
26 #ifndef INCLUDED_nt_h_
27 #define INCLUDED_nt_h_
29 #include "syswindows.h"
30 #include "systime.h" /* because of struct utimbuf below */
33 #define DebPrint(stuff) _DebPrint stuff
35 #define DebPrint(stuff)
38 /* ------------------------------------------------------------------------- */
40 /* child_process.status values */
42 STATUS_READ_ERROR = -1,
44 STATUS_READ_IN_PROGRESS,
46 STATUS_READ_SUCCEEDED,
47 STATUS_READ_ACKNOWLEDGED
50 /* This structure is used for both pipes and sockets; for
51 a socket, the process handle in pi is NULL. */
52 typedef struct _child_process
60 PROCESS_INFORMATION procinfo;
65 #define MAX_CHILDREN MAXDESC/2
66 #define CHILD_ACTIVE(cp) ((cp)->char_avail != NULL)
68 /* parallel array of private info on file handles */
76 extern filedesc fd_info [];
78 /* fd_info flag definitions */
79 #define FILE_READ 0x0001
80 #define FILE_WRITE 0x0002
81 #define FILE_BINARY 0x0010
82 #define FILE_LAST_CR 0x0020
83 #define FILE_AT_EOF 0x0040
84 #define FILE_SEND_SIGCHLD 0x0080
85 #define FILE_PIPE 0x0100
86 #define FILE_SOCKET 0x0200
88 extern child_process * new_child (void);
89 extern void delete_child (child_process *cp);
91 /* ------------------------------------------------------------------------- */
93 /* Get long (aka "true") form of file name, if it exists. */
94 extern BOOL win32_get_long_filename (char * name, char * buf, int size);
96 /* Prepare our standard handles for proper inheritance by child processes. */
97 extern void prepare_standard_handles (int in, int out,
98 int err, HANDLE handles[4]);
100 /* Reset our standard handles to their original state. */
101 extern void reset_standard_handles (int in, int out,
102 int err, HANDLE handles[4]);
104 /* Return the string resource associated with KEY of type TYPE. */
105 extern LPBYTE nt_get_resource (char * key, LPDWORD type);
107 void set_process_dir (const char * dir);
108 time_t convert_time (FILETIME ft);
109 int mswindows_utime (Lisp_Object path, struct utimbuf *times);
111 extern void init_ntproc (void);
112 extern void term_ntproc (int unused);
114 /* ----------------------------------------------------------------- */
115 /* Useful routines for manipulating memory-mapped files. */
117 typedef struct file_data
126 #define OFFSET_TO_RVA(var,section) \
127 (section->VirtualAddress + ((DWORD)(var) - section->PointerToRawData))
129 #define RVA_TO_OFFSET(var,section) \
130 (section->PointerToRawData + ((DWORD)(var) - section->VirtualAddress))
132 #define RVA_TO_PTR(var,section,filedata) \
133 ((void *)(RVA_TO_OFFSET(var,section) + (filedata).file_base))
135 int open_input_file (file_data *p_file, const char *name);
136 int open_output_file (file_data *p_file, const char *name, unsigned long size);
137 void close_file_data (file_data *p_file);
138 void mswindows_executable_type (const char * filename, int * is_dos_app,
139 int * is_cygnus_app);
141 /* In process-nt.c */
142 extern int compare_env (const void *strp1, const void *strp2);
144 void mswindows_set_errno (unsigned long win32_error);
145 void mswindows_set_last_errno (void);
147 void wait_for_termination (HANDLE pid);
149 int mswindows_fstat (int handle, struct stat *buffer);
150 int mswindows_stat (const char * path, struct stat * buf);
152 #endif /* INCLUDED_nt_h_ */