1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/* shared_info.h: shared info for cygwin
Copyright 2000 Cygnus Solutions.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "tty.h"
/* Mount table entry */
class mount_item
{
public:
/* FIXME: Nasty static allocation. Need to have a heap in the shared
area [with the user being able to configure at runtime the max size]. */
/* Win32-style mounted partition source ("C:\foo\bar").
native_path[0] == 0 for unused entries. */
char native_path[MAX_PATH];
int native_pathlen;
/* POSIX-style mount point ("/foo/bar") */
char posix_path[MAX_PATH];
int posix_pathlen;
unsigned flags;
void init (const char *dev, const char *path, unsigned flags);
struct mntent *getmntent ();
};
/* Warning: Decreasing this value will cause cygwin.dll to ignore existing
higher numbered registry entries. Don't change this number willy-nilly.
What we need is to have a more dynamic allocation scheme, but the current
scheme should be satisfactory for a long while yet. */
#define MAX_MOUNTS 30
class reg_key;
class mount_info
{
int posix_sorted[MAX_MOUNTS];
int native_sorted[MAX_MOUNTS];
public:
int nmounts;
mount_item mount[MAX_MOUNTS];
/* Strings used by getmntent(). */
char mnt_type[20];
char mnt_opts[20];
char mnt_fsname[MAX_PATH];
char mnt_dir[MAX_PATH];
/* cygdrive_prefix is used as the root of the path automatically
prepended to a path when the path has no associated mount.
cygdrive_flags are the default flags for the cygdrives. */
char cygdrive[MAX_PATH];
size_t cygdrive_len;
unsigned cygdrive_flags;
/* Increment when setting up a reg_key if mounts area had to be
created so we know when we need to import old mount tables. */
int had_to_create_mount_areas;
void init ();
int add_item (const char *dev, const char *path, unsigned flags, int reg_p);
int del_item (const char *path, unsigned flags, int reg_p);
void from_registry ();
int add_reg_mount (const char * native_path, const char * posix_path,
unsigned mountflags);
int del_reg_mount (const char * posix_path, unsigned mountflags);
unsigned set_flags_from_win32_path (const char *path);
int conv_to_win32_path (const char *src_path, char *win32_path,
char *full_win32_path, DWORD &devn, int &unit,
unsigned *flags = NULL);
int conv_to_posix_path (const char *src_path, char *posix_path,
int keep_rel_p);
struct mntent *getmntent (int x);
int write_cygdrive_info_to_registry (const char *cygdrive_prefix, unsigned flags);
int remove_cygdrive_info_from_registry (const char *cygdrive_prefix, unsigned flags);
int get_cygdrive_prefixes (char *user, char *system);
void import_v1_mounts ();
private:
void sort ();
void read_mounts (reg_key& r);
void read_v1_mounts (reg_key r, unsigned which);
void mount_slash ();
void to_registry ();
int cygdrive_win32_path (const char *src, char *dst, int trailing_slash_p);
void cygdrive_posix_path (const char *src, char *dst, int trailing_slash_p);
void slash_drive_to_win32_path (const char *path, char *buf, int trailing_slash_p);
void read_cygdrive_info_from_registry ();
};
/******** Close-on-delete queue ********/
/* First pass at a file deletion queue structure.
We can't keep this list in the per-process info, since
one process may open a file, and outlive a process which
wanted to unlink the file - and the data would go away.
*/
#define MAX_DELQUEUES_PENDING 100
class delqueue_list
{
char name[MAX_DELQUEUES_PENDING][MAX_PATH];
char inuse[MAX_DELQUEUES_PENDING];
int empty;
public:
void init ();
void queue_file (const char *dosname);
void process_queue ();
};
/******** Shared Info ********/
/* Data accessible to all tasks */
class shared_info
{
DWORD inited;
public:
/* FIXME: Doesn't work if more than one user on system. */
mount_info mount;
int heap_chunk_in_mb;
unsigned heap_chunk_size (void);
tty_list tty;
delqueue_list delqueue;
void initialize (void);
};
extern shared_info *cygwin_shared;
extern HANDLE cygwin_shared_h;
extern HANDLE console_shared_h;
void __stdcall shared_init (void);
void __stdcall shared_terminate (void);
char *__stdcall shared_name (const char *, int);
void *__stdcall open_shared (const char *name, HANDLE &shared_h, DWORD size, void *addr);
|
