fix for #241

This should fix the dangling pointer issue caused by `GC.compact` moving the monitor object's memory address to a new location.
socketry · Sep 5, 2020 · 507c199 · 507c199
1 parent 8aa37f3
commit 507c199
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/ext/nio4r/monitor.c b/ext/nio4r/monitor.c
@@ -66,6 +66,7 @@ static VALUE NIO_Monitor_allocate(VALUE klass)
 
 static void NIO_Monitor_mark(struct NIO_Monitor *monitor)
 {
+    return rb_gc_mark(monitor->self);
 }
 
 static void NIO_Monitor_free(struct NIO_Monitor *monitor)