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"
32 #define DebPrint(stuff) _DebPrint stuff
34 #define DebPrint(stuff)
37 /* ------------------------------------------------------------------------- */
39 /* child_process.status values */
41 STATUS_READ_ERROR = -1,
43 STATUS_READ_IN_PROGRESS,
45 STATUS_READ_SUCCEEDED,
46 STATUS_READ_ACKNOWLEDGED
49 /* This structure is used for both pipes and sockets; for
50 a socket, the process handle in pi is NULL. */
51 typedef struct _child_process
59 PROCESS_INFORMATION procinfo;
64 #define MAX_CHILDREN MAXDESC/2
65 #define CHILD_ACTIVE(cp) ((cp)->char_avail != NULL)
67 /* parallel array of private info on file handles */
75 extern filedesc fd_info [];
77 /* fd_info flag definitions */
78 #define FILE_READ 0x0001
79 #define FILE_WRITE 0x0002
80 #define FILE_BINARY 0x0010
81 #define FILE_LAST_CR 0x0020
82 #define FILE_AT_EOF 0x0040
83 #define FILE_SEND_SIGCHLD 0x0080
84 #define FILE_PIPE 0x0100
85 #define FILE_SOCKET 0x0200
87 extern child_process * new_child (void);
88 extern void delete_child (child_process *cp);
90 /* ------------------------------------------------------------------------- */
92 /* Get long (aka "true") form of file name, if it exists. */
93 extern BOOL win32_get_long_filename (char * name, char * buf, int size);
95 /* Prepare our standard handles for proper inheritance by child processes. */
96 extern void prepare_standard_handles (int in, int out,
97 int err, HANDLE handles[4]);
99 /* Reset our standard handles to their original state. */
100 extern void reset_standard_handles (int in, int out,
101 int err, HANDLE handles[4]);
103 /* Return the string resource associated with KEY of type TYPE. */
104 extern LPBYTE nt_get_resource (char * key, LPDWORD type);
106 void set_process_dir (const char * dir);
107 time_t convert_time (FILETIME ft);
109 extern void init_ntproc (void);
110 extern void term_ntproc (int unused);
112 /* ----------------------------------------------------------------- */
113 /* Useful routines for manipulating memory-mapped files. */
115 typedef struct file_data
124 #define OFFSET_TO_RVA(var,section) \
125 (section->VirtualAddress + ((DWORD)(var) - section->PointerToRawData))
127 #define RVA_TO_OFFSET(var,section) \
128 (section->PointerToRawData + ((DWORD)(var) - section->VirtualAddress))
130 #define RVA_TO_PTR(var,section,filedata) \
131 ((void *)(RVA_TO_OFFSET(var,section) + (filedata).file_base))
133 int open_input_file (file_data *p_file, const char *name);
134 int open_output_file (file_data *p_file, const char *name, unsigned long size);
135 void close_file_data (file_data *p_file);
136 void mswindows_executable_type (const char * filename, int * is_dos_app,
137 int * is_cygnus_app);
139 /* In process-nt.c */
140 extern int compare_env (const void *strp1, const void *strp2);
142 void mswindows_set_errno (unsigned long win32_error);
143 void mswindows_set_last_errno (void);
145 void wait_for_termination (HANDLE pid);
147 int mswindows_fstat (int handle, struct stat *buffer);
148 int mswindows_stat (const char * path, struct stat * buf);
150 #endif /* INCLUDED_nt_h_ */