🐛 Synchronize on loadingLinks correctly

diff --git a/src/main/kotlin/net/pterodactylus/sone/core/DefaultElementLoader.kt b/src/main/kotlin/net/pterodactylus/sone/core/DefaultElementLoader.kt
index 72e9c78..12d24e4 100644 (file)
--- a/src/main/kotlin/net/pterodactylus/sone/core/DefaultElementLoader.kt
+++ b/src/main/kotlin/net/pterodactylus/sone/core/DefaultElementLoader.kt
@@ -106,7 +106,7 @@ class DefaultElementLoader(private val freenetInterface: FreenetInterface, ticke
        }
 
        val loadingElements: Set<String>
-               get() = loadingLinks.asMap().keys
+               get() = synchronized(loadingLinks) { loadingLinks.asMap().keys.toSet() }
 
        val loadedElements: Set<LinkedElement>
                get() = elementCache.asMap().values.toSet()