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server: Introduce IOCTL_CONDRV_GET_RENDERER_EVENTS ioctl. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2020-07-08 16:29:36 +02:00 committed by Alexandre Julliard
parent 1320b15dfc
commit 845156cc3d
2 changed files with 63 additions and 2 deletions
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3
include/wine/condrv.h
View File

@ -29,6 +29,9 @@
#define IOCTL_CONDRV_PEEK CTL_CODE(FILE_DEVICE_CONSOLE, 12, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_CONDRV_GET_INPUT_INFO CTL_CODE(FILE_DEVICE_CONSOLE, 13, METHOD_BUFFERED, FILE_READ_PROPERTIES)
/* console renderer ioctls */
#define IOCTL_CONDRV_GET_RENDERER_EVENTS CTL_CODE(FILE_DEVICE_CONSOLE, 70, METHOD_BUFFERED, FILE_READ_PROPERTIES)
/* IOCTL_CONDRV_GET_INPUT_INFO result */
struct condrv_input_info
{

62
server/console.c
View File

@ -116,6 +116,7 @@ struct console_input_events
int num_alloc; /* number of allocated events */
int num_used; /* number of actually used events */
struct console_renderer_event *events;
struct async_queue read_q; /* read queue */
};
static const struct object_ops console_input_events_ops =
@ -141,6 +142,8 @@ static const struct object_ops console_input_events_ops =
console_input_events_destroy /* destroy */
};
static int console_input_events_ioctl( struct fd *fd, ioctl_code_t code, struct async *async );
static const struct fd_ops console_input_events_fd_ops =
{
default_fd_get_poll_events, /* get_poll_events */
@ -151,7 +154,7 @@ static const struct fd_ops console_input_events_fd_ops =
no_fd_flush, /* flush */
no_fd_get_file_info, /* get_file_info */
no_fd_get_volume_info, /* get_volume_info */
default_fd_ioctl, /* ioctl */
console_input_events_ioctl, /* ioctl */
default_fd_queue_async, /* queue_async */
default_fd_reselect_async /* reselect_async */
};
@ -300,6 +303,7 @@ static void console_input_events_destroy( struct object *obj )
{
struct console_input_events *evts = (struct console_input_events *)obj;
assert( obj->ops == &console_input_events_ops );
free_async_queue( &evts->read_q );
if (evts->fd) release_object( evts->fd );
free( evts->events );
}
@ -319,12 +323,42 @@ static struct fd *console_input_events_get_fd( struct object* obj )
return (struct fd*)grab_object( evts->fd );
}
/* retrieves events from the console's renderer events list */
static int get_renderer_events( struct console_input_events* evts, struct async *async )
{
struct iosb *iosb = async_get_iosb( async );
data_size_t num;
num = min( iosb->out_size / sizeof(evts->events[0]), evts->num_used );
if (num && !(iosb->out_data = malloc( num * sizeof(evts->events[0] ))))
{
async_terminate( async, STATUS_NO_MEMORY );
release_object( iosb );
return 0;
}
iosb->status = STATUS_SUCCESS;
iosb->out_size = iosb->result = num * sizeof(evts->events[0]);
if (num) memcpy( iosb->out_data, evts->events, iosb->result );
release_object( iosb );
async_terminate( async, STATUS_ALERTED );
if (num && num < evts->num_used)
{
memmove( &evts->events[0], &evts->events[num],
(evts->num_used - num) * sizeof(evts->events[0]) );
}
evts->num_used -= num;
return 1;
}
/* add an event to the console's renderer events list */
static void console_input_events_append( struct console_input* console,
struct console_renderer_event* evt)
{
struct console_input_events* evts;
int collapsed = FALSE;
struct async *async;
if (!(evts = console->evt)) return;
/* to be done even when evt has been generated by the renderer ? */
@ -357,7 +391,12 @@ static void console_input_events_append( struct console_input* console,
}
evts->events[evts->num_used++] = *evt;
}
wake_up( &evts->obj, 0 );
while (evts->num_used && (async = find_pending_async( &evts->read_q )))
{
get_renderer_events( evts, async );
release_object( async );
}
if (evts->num_used) wake_up( &evts->obj, 0 );
}
/* retrieves events from the console's renderer events list */
@ -382,6 +421,7 @@ static struct console_input_events *create_console_input_events(void)
if (!(evt = alloc_object( &console_input_events_ops ))) return NULL;
evt->num_alloc = evt->num_used = 0;
evt->events = NULL;
init_async_queue( &evt->read_q );
if (!(evt->fd = alloc_pseudo_fd( &console_input_events_fd_ops, &evt->obj, 0 )))
{
release_object( evt );
@ -1600,6 +1640,24 @@ static int console_ioctl( struct fd *fd, ioctl_code_t code, struct async *async
}
}
static int console_input_events_ioctl( struct fd *fd, ioctl_code_t code, struct async *async )
{
struct console_input_events *evts = get_fd_user( fd );
switch (code)
{
case IOCTL_CONDRV_GET_RENDERER_EVENTS:
set_error( STATUS_PENDING );
if (evts->num_used) return get_renderer_events( evts, async );
queue_async( &evts->read_q, async );
return 1;
default:
set_error( STATUS_INVALID_HANDLE );
return 0;
}
}
static struct object_type *console_device_get_type( struct object *obj )
{
static const WCHAR name[] = {'D','e','v','i','c','e'};