This is the 2nd round of c/r support for pending signals. This version adds process itimers (real/virtual/prof). Changes: - Fix compilation warnings - [Louis Rilling] Remove SIGQUEUE_PREALLOC flag from queued signals - [Louis Rilling] Fail if task has posix-timers or SI_TIMER signal This applies on top of ckpt-v17-dev (44430daae5d6...) Oren.