Sha256: 0a018cd6c3014c345cc2b915150a5c9572abc2419058b4357f0cbc32e9f1d1fc
Contents?: true
Size: 804 Bytes
Versions: 6
Compression:
Stored size: 804 Bytes
Contents
module Debugger
class Lock
def initialize
@locker = nil
@waiting = []
@locked = false;
end
def locked?
@locked
end
def lock
return if Thread.critical
return if @locker == Thread.current
while (Thread.critical = true; @locked)
@waiting.push Thread.current
Thread.stop
end
@locked = true
@locker = Thread.current
Thread.critical = false
self
end
def unlock
return if Thread.critical
return unless @locked
unless @locker == Thread.current
raise RuntimeError, "unlocked by other"
end
Thread.critical = true
t = @waiting.shift
@locked = false
@locker = nil
Thread.critical = false
t.run if t
self
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems