Merge pull request #48 from lorentey/fix-UnsafeAtomic-Sendable

Fix `UnsafeAtomic`'s `Sendable` conformance
apple · Sep 24, 2021 · 919eb1d · 919eb1d
2 parents de1a622 + 44bf6b5
commit 919eb1d
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diff --git a/Sources/Atomics/AtomicLazyReference.swift.gyb b/Sources/Atomics/AtomicLazyReference.swift.gyb
@@ -47,6 +47,11 @@ public struct UnsafeAtomicLazyReference<Instance: AnyObject> {
   }
 }
 
+#if compiler(>=5.5) && canImport(_Concurrency)
+extension UnsafeAtomicLazyReference: @unchecked Sendable
+where Instance: Sendable {}
+#endif
+
 extension UnsafeAtomicLazyReference {
   /// The storage representation for an atomic lazy reference value.
   @frozen

diff --git a/Sources/Atomics/HighLevelTypes.swift.gyb b/Sources/Atomics/HighLevelTypes.swift.gyb
@@ -71,6 +71,10 @@ public struct UnsafeAtomic<Value: AtomicValue> {
   }
 }
 
+#if compiler(>=5.5) && canImport(_Concurrency)
+extension UnsafeAtomic: @unchecked Sendable where Value: Sendable {}
+#endif
+
 /// A reference type holding an atomic value, with automatic memory management.
 @_fixed_layout
 public class ManagedAtomic<Value: AtomicValue> {

diff --git a/Sources/Atomics/autogenerated/AtomicLazyReference.swift b/Sources/Atomics/autogenerated/AtomicLazyReference.swift
@@ -50,6 +50,11 @@ public struct UnsafeAtomicLazyReference<Instance: AnyObject> {
   }
 }
 
+#if compiler(>=5.5) && canImport(_Concurrency)
+extension UnsafeAtomicLazyReference: @unchecked Sendable
+where Instance: Sendable {}
+#endif
+
 extension UnsafeAtomicLazyReference {
   /// The storage representation for an atomic lazy reference value.
   @frozen

diff --git a/Sources/Atomics/autogenerated/HighLevelTypes.swift b/Sources/Atomics/autogenerated/HighLevelTypes.swift
@@ -73,6 +73,10 @@ public struct UnsafeAtomic<Value: AtomicValue> {
   }
 }
 
+#if compiler(>=5.5) && canImport(_Concurrency)
+extension UnsafeAtomic: @unchecked Sendable where Value: Sendable {}
+#endif
+
 /// A reference type holding an atomic value, with automatic memory management.
 @_fixed_layout
 public class ManagedAtomic<Value: AtomicValue> {