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server: Introduce ConDrv device. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2020-06-25 22:26:35 +02:00 committed by Alexandre Julliard
parent 9bdfb1a29a
commit 6898bdca94
3 changed files with 84 additions and 1 deletions
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78
server/console.c
View File

@ -212,6 +212,35 @@ static const struct fd_ops console_fd_ops =
default_fd_reselect_async /* reselect_async */
};
static struct object_type *console_device_get_type( struct object *obj );
static void console_device_dump( struct object *obj, int verbose );
static struct object *console_device_lookup_name( struct object *obj, struct unicode_str *name, unsigned int attr );
static struct object *console_device_open_file( struct object *obj, unsigned int access,
unsigned int sharing, unsigned int options );
static const struct object_ops console_device_ops =
{
sizeof(struct object), /* size */
console_device_dump, /* dump */
console_device_get_type, /* get_type */
no_add_queue, /* add_queue */
NULL, /* remove_queue */
NULL, /* signaled */
no_satisfied, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
default_fd_map_access, /* map_access */
default_get_sd, /* get_sd */
default_set_sd, /* set_sd */
console_device_lookup_name, /* lookup_name */
directory_link_name, /* link_name */
default_unlink_name, /* unlink_name */
console_device_open_file, /* open_file */
no_kernel_obj_list, /* get_kernel_obj_list */
no_close_handle, /* close_handle */
no_destroy /* destroy */
};
static struct list screen_buffer_list = LIST_INIT(screen_buffer_list);
static const char_info_t empty_char_info = { ' ', 0x000f }; /* white on black space */
@ -1440,6 +1469,55 @@ static void scroll_console_output( struct screen_buffer *screen_buffer, int xsrc
console_input_events_append( screen_buffer->input, &evt );
}
static struct object_type *console_device_get_type( struct object *obj )
{
static const WCHAR name[] = {'D','e','v','i','c','e'};
static const struct unicode_str str = { name, sizeof(name) };
return get_object_type( &str );
}
static void console_device_dump( struct object *obj, int verbose )
{
fputs( "Console device\n", stderr );
}
static struct object *console_device_lookup_name( struct object *obj, struct unicode_str *name, unsigned int attr )
{
static const WCHAR consoleW[] = {'C','o','n','s','o','l','e'};
if (name->len == sizeof(consoleW) && !memcmp( name->str, consoleW, name->len ))
{
name->len = 0;
return grab_object( obj );
}
return NULL;
}
static struct object *console_device_open_file( struct object *obj, unsigned int access,
unsigned int sharing, unsigned int options )
{
int is_output;
access = default_fd_map_access( obj, access );
is_output = access & FILE_WRITE_DATA;
if (!current->process->console || (is_output && !current->process->console))
{
set_error( STATUS_INVALID_HANDLE );
return NULL;
}
if (is_output && (access & FILE_READ_DATA))
{
set_error( STATUS_INVALID_PARAMETER );
return NULL;
}
return is_output ? grab_object( current->process->console->active ) : grab_object( current->process->console );
}
struct object *create_console_device( struct object *root, const struct unicode_str *name )
{
return create_named_object( root, &console_device_ops, name, 0, NULL );
}
/* allocate a console for the renderer */
DECL_HANDLER(alloc_console)
{

6
server/directory.c
View File

@ -356,9 +356,11 @@ void init_directories(void)
/* devices */
static const WCHAR named_pipeW[] = {'N','a','m','e','d','P','i','p','e'};
static const WCHAR mailslotW[] = {'M','a','i','l','S','l','o','t'};
static const WCHAR condrvW[] = {'C','o','n','D','r','v'};
static const WCHAR nullW[] = {'N','u','l','l'};
static const struct unicode_str named_pipe_str = {named_pipeW, sizeof(named_pipeW)};
static const struct unicode_str mailslot_str = {mailslotW, sizeof(mailslotW)};
static const struct unicode_str condrv_str = {condrvW, sizeof(condrvW)};
static const struct unicode_str null_str = {nullW, sizeof(nullW)};
/* events */
@ -386,7 +388,7 @@ void init_directories(void)
struct directory *dir_driver, *dir_device, *dir_global, *dir_kernel;
struct object *link_dosdev, *link_global, *link_nul, *link_pipe, *link_mailslot;
struct object *named_pipe_device, *mailslot_device, *null_device, *user_data_mapping;
struct object *named_pipe_device, *mailslot_device, *null_device, *user_data_mapping, *console_device;
struct keyed_event *keyed_event;
unsigned int i;
@ -403,10 +405,12 @@ void init_directories(void)
/* devices */
named_pipe_device = create_named_pipe_device( &dir_device->obj, &named_pipe_str );
mailslot_device = create_mailslot_device( &dir_device->obj, &mailslot_str );
console_device = create_console_device( &dir_device->obj, &condrv_str );
null_device = create_unix_device( &dir_device->obj, &null_str, "/dev/null" );
make_object_static( named_pipe_device );
make_object_static( mailslot_device );
make_object_static( null_device );
make_object_static( console_device );
/* sessions */
create_session( 0 );

1
server/file.h
View File

@ -179,6 +179,7 @@ extern struct object *create_user_data_mapping( struct object *root, const struc
extern struct object *create_named_pipe_device( struct object *root, const struct unicode_str *name );
extern struct object *create_mailslot_device( struct object *root, const struct unicode_str *name );
extern struct object *create_console_device( struct object *root, const struct unicode_str *name );
extern struct object *create_unix_device( struct object *root, const struct unicode_str *name,
const char *unix_path );