1 files changed, 9 insertions, 0 deletions
diff --git a/lib/pure/selectors.nim b/lib/pure/selectors.nim
index 935250e08..e4c2b2124 100644
--- a/lib/pure/selectors.nim
+++ b/lib/pure/selectors.nim
@@ -261,6 +261,9 @@ else:
       param: int
       data: T
 
+  const
+    InvalidIdent = -1
+
   proc raiseIOSelectorsError[T](message: T) =
     var msg = ""
     when T is string:
@@ -302,6 +305,12 @@ else:
         if posix.sigprocmask(SIG_UNBLOCK, newmask, oldmask) == -1:
           raiseIOSelectorsError(osLastError())
 
+  template clearKey[T](key: ptr SelectorKey[T]) =
+    var empty: T
+    key.ident = InvalidIdent
+    key.events = {}
+    key.data = empty
+
   when defined(linux):
     include ioselects/ioselectors_epoll
   elif bsdPlatform: