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[Executors] Remote distributed actors get "crash on enqueue" default executor (#64969)

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This commit is contained in:
Konrad `ktoso` Malawski
2023-04-10 19:12:03 +09:00
committed by GitHub
parent 8d709c4e80
commit b666fc672e
23 changed files with 255 additions and 213 deletions
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42
test/Distributed/distributed_actor_executor_ast.swift
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@@ -26,39 +26,19 @@ distributed actor DefaultWorker {
// Check DefaultWorker, the DefaultActor version of the synthesis:
// CHECK: (class_decl range=[{{.*}}] "DefaultWorker" interface type='DefaultWorker.Type' access=internal non-resilient actor
// The unowned executor property:
// CHECK: (var_decl implicit "localUnownedExecutor" type='Optional<UnownedSerialExecutor>' interface type='Optional<UnownedSerialExecutor>' access=internal final readImpl=getter immutable
// CHECK: (accessor_decl implicit 'anonname={{.*}}' interface type='(DefaultWorker) -> () -> Optional<UnownedSerialExecutor>' access=internal {{.*}}get_for=localUnownedExecutor
// CHECK: (parameter "self" type='DefaultWorker' interface type='DefaultWorker')
// CHECK: (parameter_list)
// CHECK: (brace_stmt implicit
// CHECK: (var_decl implicit "unownedExecutor" type='UnownedSerialExecutor' interface type='UnownedSerialExecutor' access=internal final readImpl=getter immutable
// We guard the rest of the body; we only return a default executor if the actor is local:
// CHECK: (guard_stmt implicit
// CHECK: (call_expr implicit type='Bool' nothrow
// CHECK: (declref_expr implicit type='@_NO_EXTINFO (AnyObject) -> Bool' decl=Distributed.(file).__isLocalActor function_ref=unapplied)
// CHECK: (argument_list implicit
// CHECK: (argument
// CHECK: (erasure_expr implicit type='AnyObject'
// CHECK: (declref_expr implicit type='DefaultWorker' decl=main.(file).DefaultWorker.<anonymous>.self function_ref=unapplied)))))
// CHECK: (brace_stmt implicit
// CHECK: (return_stmt implicit
// CHECK: (nil_literal_expr implicit type='Optional<UnownedSerialExecutor>' initializer=**NULL**))))
// If the actor is not local, we return a default executor for it, same as normal actors:
// CHECK: (return_stmt implicit
// CHECK: (inject_into_optional implicit type='Optional<UnownedSerialExecutor>'
// CHECK: (call_expr implicit type='UnownedSerialExecutor' nothrow
// CHECK: (constructor_ref_call_expr implicit type='(Builtin.Executor) -> UnownedSerialExecutor' nothrow
// CHECK: (declref_expr implicit type='(UnownedSerialExecutor.Type) -> (Builtin.Executor) -> UnownedSerialExecutor' decl=_Concurrency.(file).UnownedSerialExecutor.init(_:) function_ref=unapplied)
// CHECK: (argument_list implicit
// CHECK: (argument
// CHECK: (type_expr implicit type='UnownedSerialExecutor.Type' typerepr='<<NULL>>'))))
// CHECK: (argument_list implicit
// CHECK: (argument
// CHECK: (call_expr implicit type='Builtin.Executor' nothrow
// CHECK: (declref_expr implicit type='(DefaultWorker) -> Builtin.Executor' decl=Builtin.(file).buildDefaultActorExecutorRef [with (substitution_map generic_signature=<T where T : AnyObject> (substitution T -> DefaultWorker))] function_ref=unapplied)
// CHECK: (argument_list implicit
// CHECK: (argument
// CHECK: (declref_expr implicit type='DefaultWorker' decl=main.(file).DefaultWorker.<anonymous>.self function_ref=unapplied))))))))))))
// CHECK: (pattern_binding_decl implicit
// CHECK: (pattern_typed implicit type='Optional<UnownedSerialExecutor>'
// CHECK: (pattern_named implicit type='Optional<UnownedSerialExecutor>' 'localUnownedExecutor')))
// Check that we create the "remote reference" executor:
// CHECK: (return_stmt implicit
// CHECK: (call_expr implicit type='UnownedSerialExecutor' nothrow
// CHECK: (declref_expr implicit type='(DefaultWorker) -> UnownedSerialExecutor' decl=Distributed.(file).buildDefaultDistributedRemoteActorExecutor [with (substitution_map generic_signature=<Act where Act : DistributedActor> (substitution Act -> DefaultWorker))]
// Check the default executor synthesis for local actor otherwise:
// CHECK: (return_stmt implicit
// CHECK: (call_expr implicit type='Builtin.Executor' nothrow
// CHECK: (declref_expr implicit type='(DefaultWorker) -> Builtin.Executor' decl=Builtin.(file).buildDefaultActorExecutorRef [with (substitution_map generic_signature=<T where T : AnyObject> (substitution T -> DefaultWorker))] function_ref=unapplied)