# File lib/net/ssh/ruby_compat.rb, line 26 26: def self.io_select(*params) 27: # It should be safe to wrap calls in a mutex when the timeout is 0 28: # (that is, the call is not supposed to block). 29: # We leave blocking calls unprotected to avoid causing deadlocks. 30: # This should still catch the main case for Capistrano users. 31: if params[3] == 0 32: SELECT_MUTEX.synchronize do 33: IO.select(*params) 34: end 35: else 36: IO.select(*params) 37: end 38: end