The type of the field ucontext::uc_sigmask isn't k_rtsigset_t
if the struct ucontext is imported from system headers
rather than provided by an architecture-specific header.
Signed-off-by: Alexander Kartashov <alekskartashov@parallels.com>
Cc: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>