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kernel32: Implement FindFirstChangeNotification with NtNotifyChangeDirectoryFile.

This commit is contained in:
Mike McCormack 2006-01-27 12:54:31 +01:00 committed by Alexandre Julliard
parent 385e693e44
commit 53dab15200
1 changed files with 18 additions and 31 deletions
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49
dlls/kernel/change.c
View File

@ -58,14 +58,14 @@ HANDLE WINAPI FindFirstChangeNotificationW( LPCWSTR lpPathName, BOOL bWatchSubtr
OBJECT_ATTRIBUTES attr;
IO_STATUS_BLOCK io;
NTSTATUS status;
HANDLE file, ret = INVALID_HANDLE_VALUE;
HANDLE handle = INVALID_HANDLE_VALUE;
TRACE( "%s %d %lx\n", debugstr_w(lpPathName), bWatchSubtree, dwNotifyFilter );
if (!RtlDosPathNameToNtPathName_U( lpPathName, &nt_name, NULL, NULL ))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return ret;
return handle;
}
attr.Length = sizeof(attr);
@ -75,7 +75,7 @@ HANDLE WINAPI FindFirstChangeNotificationW( LPCWSTR lpPathName, BOOL bWatchSubtr
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
status = NtOpenFile( &file, SYNCHRONIZE, &attr, &io,
status = NtOpenFile( &handle, SYNCHRONIZE, &attr, &io,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
RtlFreeUnicodeString( &nt_name );
@ -83,21 +83,18 @@ HANDLE WINAPI FindFirstChangeNotificationW( LPCWSTR lpPathName, BOOL bWatchSubtr
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return ret;
return INVALID_HANDLE_VALUE;
}
SERVER_START_REQ( read_directory_changes )
status = NtNotifyChangeDirectoryFile( handle, NULL, NULL, NULL, &io,
NULL, 0, dwNotifyFilter, bWatchSubtree );
if (status != STATUS_PENDING)
{
req->handle = file;
req->event = NULL;
req->filter = dwNotifyFilter;
status = wine_server_call( req );
if (status == STATUS_PENDING)
ret = file;
NtClose( handle );
SetLastError( RtlNtStatusToDosError(status) );
return INVALID_HANDLE_VALUE;
}
SERVER_END_REQ;
return ret;
return handle;
}
/****************************************************************************
@ -105,29 +102,19 @@ HANDLE WINAPI FindFirstChangeNotificationW( LPCWSTR lpPathName, BOOL bWatchSubtr
*/
BOOL WINAPI FindNextChangeNotification( HANDLE handle )
{
BOOL ret = FALSE;
IO_STATUS_BLOCK io;
NTSTATUS status;
TRACE("%p\n",handle);
if (!handle)
status = NtNotifyChangeDirectoryFile( handle, NULL, NULL, NULL, &io,
NULL, 0, FILE_NOTIFY_CHANGE_SIZE, 0 );
if (status != STATUS_PENDING)
{
SetLastError( ERROR_INVALID_HANDLE );
return ret;
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
SERVER_START_REQ( read_directory_changes )
{
req->handle = handle;
req->event = NULL;
req->filter = FILE_NOTIFY_CHANGE_SIZE; /* valid but ignored */
status = wine_server_call( req );
if (status == STATUS_PENDING)
ret = TRUE;
}
SERVER_END_REQ;
return ret;
return TRUE;
}
/****************************************************************************