[asalkeld/libqb] 6ba054: RB: make the "sem" abstraction into a notifier

[Angus Salkeld]

  Branch: refs/heads/master
  Home:   https://github.com/asalkeld/libqb
  Commit: 6ba054713ead34280fa2ddb8fa4b98f23f3f3294
      https://github.com/asalkeld/libqb/commit/6ba054713ead34280fa2ddb8fa4b98f2...
  Author: Angus Salkeld <asalkeld(a)redhat.com&gt;
  Date:   2013-02-18 (Mon, 18 Feb 2013)

  Changed paths:
    M lib/ringbuffer.c
    M lib/ringbuffer_helper.c
    M lib/ringbuffer_int.h

  Log Message:
  -----------
  RB: make the "sem" abstraction into a notifier

Signed-off-by: Angus Salkeld <asalkeld(a)redhat.com&gt;