Changes

* KServerSession: Waits for an IPC command to be submitted to the server process

* KServerSession: Waits for an IPC command to be submitted to the server process

* KThread: Waits until the thread terminates

* KThread: Waits until the thread terminates

* KTimer: ???

* KTimer: Wakes when timer activates (this also clears the timer if it is oneshot)

Most synchronization systems seem to have both a "normal" and "light-weight" version

Most synchronization systems seem to have both a "normal" and "light-weight" version