Avoid unused function warnings.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>

While investigating https://bugs.winehq.org/show_bug.cgi?id=53953,
it may be a good idea to log any pkg-config error messages instead
of ignoring them.
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>

There is actually an "invalid" event type (sent on invalid input for example),
so this avoids confusion with it.
Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>

Needed to compile Tera Term.

Fixes process_monitor_event() failing to remove already added
devices.

Inspired by a patch from Rémi Bernon.

Inspired by a patch from Rémi Bernon.

Since multiple interfaces can hold onto it, we need to refcount it. In order to
do this just refcount the parent device, and close the handle only when the
parent device refcount reaches 0.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54009