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[Concurrency] TaskLocals lookup "skip" optimization

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This commit is contained in:
Konrad `ktoso` Malawski
2021-01-07 15:21:54 +09:00
parent 1044723787
commit b811b12246
10 changed files with 309 additions and 133 deletions
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18
include/swift/Runtime/Concurrency.h
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@@ -257,8 +257,7 @@ void swift_task_localValuePush(AsyncTask* task,
/* +1 */ OpaqueValue *value,
const Metadata *valueType);
/// Remove task `count` local bindings from the task local binding stack.
/// Crashes if `count` is greater if the number of task locals stored in the task.
/// Remove task a local binding from the task local values stack.
///
/// This must be only invoked by the task itself to avoid concurrent writes.
///
@@ -266,22 +265,11 @@ void swift_task_localValuePush(AsyncTask* task,
///
/// \code
/// public func _taskLocalValuePop(
/// _ task: Builtin.NativeObject,
/// count: Int
/// _ task: Builtin.NativeObject
/// )
/// \endcode
SWIFT_EXPORT_FROM(swift_Concurrency) SWIFT_CC(swift)
void swift_task_localValuePop(AsyncTask* task, int count);
/// Checks if task (or any of its parent tasks) has task local values.
///
/// \code
/// func swift_task_hasTaskLocalValues<Key>(
/// _ task: Builtin.NativeObject,
/// ) -> Bool
/// \endcode
SWIFT_EXPORT_FROM(swift_Concurrency) SWIFT_CC(swift)
bool swift_task_hasTaskLocalValues(AsyncTask* task);
void swift_task_localValuePop(AsyncTask* task);
/// This should have the same representation as an enum like this:
/// enum NearestTaskDeadline {