Add waitUntilSignaledValue

Author: christiangnrd

lib/mtl/events.jl

@@ -29,6 +29,10 @@ function MTLSharedEvent(dev::MTLDevice)
     return obj
 end
 
+function waitUntilSignaledValue(ev::MTLSharedEvent, value, timeoutMS=typemax(UInt64))
+    @objc [ev::id{MTLSharedEvent} waitUntilSignaledValue:value::UInt64
+                        timeoutMS:timeoutMS::UInt64]::Bool
+end
 
 ## shared event handle