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* cygheap.cc (init_cheap): Move username initialization. 

(cygheap_init): Here.
* shared_info.h (mount_info): Add a sys_mount_table_counter field.
(shared_info): Ditto.
* path.cc (mount_info::conv_to_win32_path): Check that our mount table is in
sync with the system mount table and reinitialize it if not.
(mount_info::add_reg_mount): Bump sys_mount_table counters if the system mount
table changes.
(mount_info::del_reg_mount): Ditto.
(mount_info::write_cygdrive_info_to_registry): Ditto.
(mount_info::remove_cygdrive_info_from_registry): Ditto.
This commit is contained in:
Christopher Faylor 2001-01-28 06:23:42 +00:00
parent 2a6fc028ba
commit 9a089f21ea
4 changed files with 51 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,17 @@
Sun Jan 28 01:18:22 2001 Christopher Faylor <cgf@cygnus.com>
* cygheap.cc (init_cheap): Move username initialization.
(cygheap_init): Here.
* shared_info.h (mount_info): Add a sys_mount_table_counter field.
(shared_info): Ditto.
* path.cc (mount_info::conv_to_win32_path): Check that our mount table
is in sync with the system mount table and reinitialize it if not.
(mount_info::add_reg_mount): Bump sys_mount_table counters if the
system mount table changes.
(mount_info::del_reg_mount): Ditto.
(mount_info::write_cygdrive_info_to_registry): Ditto.
(mount_info::remove_cygdrive_info_from_registry): Ditto.
Sun Jan 28 00:28:30 2001 Christopher Faylor <cgf@cygnus.com>
Throughout, change 'cygwin_shared.mount' to 'mount_table'.

16
winsup/cygwin/cygheap.cc
View File

@ -32,14 +32,6 @@ init_cheap ()
if (!cygheap)
api_fatal ("Couldn't reserve space for cygwin's heap, %E");
cygheap_max = cygheap + 1;
char username[MAX_USER_NAME];
DWORD username_len = MAX_USER_NAME;
if (!GetUserName (username, &username_len))
cygheap->user.set_name ("unknown");
else
cygheap->user.set_name (username);
}
#define pagetrunc(x) ((void *) (((DWORD) (x)) & ~(4096 - 1)))
@ -75,6 +67,14 @@ cygheap_init ()
{
cygheap_protect = new_muto (FALSE, "cygheap_protect");
_csbrk (0);
char username[MAX_USER_NAME];
DWORD username_len = MAX_USER_NAME;
if (!GetUserName (username, &username_len))
cygheap->user.set_name ("unknown");
else
cygheap->user.set_name (username);
}
/* Copyright (C) 1997, 2000 DJ Delorie */

31
winsup/cygwin/path.cc
View File

@ -979,6 +979,11 @@ mount_info::conv_to_win32_path (const char *src_path, char *win32_path,
char *full_win32_path, DWORD &devn, int &unit,
unsigned *flags)
{
while (sys_mount_table_counter < cygwin_shared->sys_mount_table_counter)
{
init ();
sys_mount_table_counter++;
}
int src_path_len = strlen (src_path);
int trailing_slash_p = (src_path_len > 1
&& SLASH_P (src_path[src_path_len - 1]));
@ -1485,6 +1490,9 @@ mount_info::add_reg_mount (const char * native_path, const char * posix_path, un
if (res != ERROR_SUCCESS)
goto err;
res = subkey.set_int ("flags", mountflags);
sys_mount_table_counter++;
cygwin_shared->sys_mount_table_counter++;
}
return 0; /* Success! */
@ -1502,7 +1510,7 @@ mount_info::del_reg_mount (const char * posix_path, unsigned flags)
{
int res;
if ((flags & MOUNT_SYSTEM) == 0) /* Delete from user registry */
if (!(flags & MOUNT_SYSTEM)) /* Delete from user registry */
{
reg_key reg_user (KEY_ALL_ACCESS,
CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, NULL);
@ -1510,6 +1518,8 @@ mount_info::del_reg_mount (const char * posix_path, unsigned flags)
}
else /* Delete from system registry */
{
sys_mount_table_counter++;
cygwin_shared->sys_mount_table_counter++;
reg_key reg_sys (HKEY_LOCAL_MACHINE, KEY_ALL_ACCESS, "SOFTWARE",
CYGWIN_INFO_CYGNUS_REGISTRY_NAME,
CYGWIN_INFO_CYGWIN_REGISTRY_NAME,
@ -1586,6 +1596,12 @@ mount_info::write_cygdrive_info_to_registry (const char *cygdrive_prefix, unsign
/* Determine whether to modify user or system cygdrive path prefix. */
HKEY top = (flags & MOUNT_SYSTEM) ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
if (flags & MOUNT_SYSTEM)
{
sys_mount_table_counter++;
cygwin_shared->sys_mount_table_counter++;
}
/* reg_key for user path prefix in HKEY_CURRENT_USER or system path prefix in
HKEY_LOCAL_MACHINE. */
reg_key r (top, KEY_ALL_ACCESS, "SOFTWARE",
@ -1621,8 +1637,7 @@ mount_info::write_cygdrive_info_to_registry (const char *cygdrive_prefix, unsign
appropriate:
1. setting user path prefix, or
2. overwriting (a previous) system path prefix */
if ((flags & MOUNT_SYSTEM) == 0 ||
(mount_table->cygdrive_flags & MOUNT_SYSTEM) != 0)
if (!(flags & MOUNT_SYSTEM) || (mount_table->cygdrive_flags & MOUNT_SYSTEM))
{
slashify (cygdrive_prefix, mount_table->cygdrive, 1);
mount_table->cygdrive_flags = flags;
@ -1638,6 +1653,12 @@ mount_info::remove_cygdrive_info_from_registry (const char *cygdrive_prefix, uns
/* Determine whether to modify user or system cygdrive path prefix. */
HKEY top = (flags & MOUNT_SYSTEM) ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
if (flags & MOUNT_SYSTEM)
{
sys_mount_table_counter++;
cygwin_shared->sys_mount_table_counter++;
}
/* reg_key for user path prefix in HKEY_CURRENT_USER or system path prefix in
HKEY_LOCAL_MACHINE. */
reg_key r (top, KEY_ALL_ACCESS, "SOFTWARE",
@ -1728,7 +1749,7 @@ sort_by_posix_name (const void *a, const void *b)
if (res == 0)
{
/* need to select between user and system mount to same POSIX path */
if ((bp->flags & MOUNT_SYSTEM) == 0) /* user mount */
if (!(bp->flags & MOUNT_SYSTEM)) /* user mount */
return 1;
else
return -1;
@ -1764,7 +1785,7 @@ sort_by_native_name (const void *a, const void *b)
if (res == 0)
{
/* need to select between user and system mount to same POSIX path */
if ((bp->flags & MOUNT_SYSTEM) == 0) /* user mount */
if (!(bp->flags & MOUNT_SYSTEM)) /* user mount */
return 1;
else
return -1;

5
winsup/cygwin/shared_info.h
View File

@ -47,6 +47,7 @@ class mount_info
{
public:
DWORD version;
DWORD sys_mount_table_counter;
int nmounts;
mount_item mount[MAX_MOUNTS];
@ -138,14 +139,14 @@ public:
class shared_info
{
DWORD inited;
public:
int heap_chunk_in_mb;
unsigned heap_chunk_size (void);
DWORD sys_mount_table_counter;
tty_list tty;
delqueue_list delqueue;
void initialize (void);
unsigned heap_chunk_size (void);
};
extern shared_info *cygwin_shared;