Fix concurrency warnings

AudioKit · May 27, 2023 · 4516467 · 4516467
1 parent a4f6da0
commit 4516467
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Showing 2 changed files with 6 additions and 5 deletions.
diff --git a/Sources/Audio/Nodes/Node+Graphviz.swift b/Sources/Audio/Nodes/Node+Graphviz.swift
@@ -8,11 +8,12 @@ extension ObjectIdentifier {
     }
 }
 
-private var labels: [ObjectIdentifier: String] = [:]
+@MainActor private var labels: [ObjectIdentifier: String] = [:]
 
 public extension Node {
+
     /// A label for to use when printing the dot.
-    var label: String {
+    @MainActor var label: String {
         get { labels[ObjectIdentifier(self)] ?? "" }
         set { labels[ObjectIdentifier(self)] = newValue }
     }
@@ -24,7 +25,7 @@ public extension Node {
     /// 1. `brew install graphviz` (if not already installed)
     /// 2. Save output to `.dot` file (e.g. `effects.dot`)
     /// 2. `dot -Tpdf effects.dot > effects.pdf`
-    var graphviz: String {
+    @MainActor var graphviz: String {
         var str = "digraph patch {\n"
         str += "  graph [rankdir = \"LR\"];\n"
 
@@ -36,7 +37,7 @@ public extension Node {
     }
 
     /// Auxiliary function to print out the graph of AudioKit nodes.
-    private func printDotAux(seen: inout Set<ObjectIdentifier>, str: inout String) {
+    @MainActor private func printDotAux(seen: inout Set<ObjectIdentifier>, str: inout String) {
         let id = ObjectIdentifier(self)
         if seen.contains(id) {
             return

diff --git a/Tests/AudioKitTests/Node Tests/NodeTests.swift b/Tests/AudioKitTests/Node Tests/NodeTests.swift
@@ -245,7 +245,7 @@ class NodeTests: AKTestCase {
         }
     }
 
-    func testGraphviz() {
+    @MainActor func testGraphviz() {
         let sampler = Sampler()
 
         let verb = Distortion(sampler)