Avoid exceptions when waking events.

Assisted-By: devx/3236e566-7538-432e-a30a-2bdf37265ed4

Author: samuel-williams-shopify

lib/async/container/events.rb

@@ -25,11 +25,8 @@ def initialize
 			def <<(event)
 				@queue << event
 
-				begin
-					@output.write_nonblock(".")
-				rescue ::IO::WaitWritable
-					# The pipe is already full, so any select waiter is already awake:
-				end
+				# If the pipe is full, any select waiter is already awake:
+				@output.write_nonblock(".", exception: false)
 
 				return self
 			end
@@ -46,13 +43,9 @@ def pop(non_block = false, timeout: nil)
 
 				return unless event
 
-				@input.read_nonblock(1)
+				@input.read_nonblock(1, exception: false)
 
 				return event
-			rescue ::IO::WaitReadable
-				return event if event
-				
-				raise
 			end
 		end
 	end