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0c96a257f6
We need to provide some of the additional functions, as stubs, for task-to-thread model. rdar://141348916
142 lines
4.4 KiB
C++
142 lines
4.4 KiB
C++
//===--- ExecutorBridge.cpp - C++ side of executor bridge -----------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#if SWIFT_CONCURRENCY_USES_DISPATCH
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#include <dispatch/dispatch.h>
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#endif
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#include "Error.h"
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#include "ExecutorBridge.h"
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using namespace swift;
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wreturn-type-c-linkage"
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extern "C" SWIFT_CC(swift)
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void _swift_exit(int result) {
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exit(result);
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}
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#if SWIFT_STDLIB_TASK_TO_THREAD_MODEL_CONCURRENCY
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extern "C" SWIFT_CC(swift)
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SerialExecutorRef swift_getMainExecutor() {
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return SerialExecutorRef::generic();
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}
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#endif
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extern "C" SWIFT_CC(swift)
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void _swift_task_checkIsolatedSwift(
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HeapObject *executor,
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const Metadata *executorType,
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const SerialExecutorWitnessTable *witnessTable
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);
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extern "C" SWIFT_CC(swift)
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void _swift_task_checkIsolatedSwift(HeapObject *executor,
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const Metadata *executorType,
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const SerialExecutorWitnessTable *witnessTable);
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extern "C" SWIFT_CC(swift)
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bool _swift_task_isIsolatingCurrentContextSwift(
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HeapObject *executor,
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const Metadata *executorType,
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const SerialExecutorWitnessTable *witnessTable
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);
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extern "C" SWIFT_CC(swift)
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bool _swift_task_isMainExecutorSwift(
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HeapObject *executor,
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const Metadata *executorType,
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const SerialExecutorWitnessTable *witnessTable
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);
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extern "C" SWIFT_CC(swift)
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void swift_task_checkIsolatedImpl(SerialExecutorRef executor) {
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HeapObject *identity = executor.getIdentity();
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// We might be being called with an actor rather than a "proper"
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// SerialExecutor; in that case, we won't have a SerialExecutor witness
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// table.
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if (executor.hasSerialExecutorWitnessTable()) {
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_swift_task_checkIsolatedSwift(identity,
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swift_getObjectType(identity),
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executor.getSerialExecutorWitnessTable());
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} else {
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const Metadata *objectType = swift_getObjectType(executor.getIdentity());
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auto typeName = swift_getTypeName(objectType, true);
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swift_Concurrency_fatalError(
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0, "Incorrect actor executor assumption; expected '%.*s' executor.\n",
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(int)typeName.length, typeName.data);
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}
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}
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extern "C" SWIFT_CC(swift)
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bool swift_task_isIsolatingCurrentContextImpl(SerialExecutorRef executor) {
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HeapObject *identity = executor.getIdentity();
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// We might be being called with an actor rather than a "proper"
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// SerialExecutor; in that case, we won't have a SerialExecutor witness
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// table.
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if (executor.hasSerialExecutorWitnessTable()) {
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return _swift_task_isIsolatingCurrentContextSwift(identity,
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swift_getObjectType(identity),
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executor.getSerialExecutorWitnessTable());
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} else {
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const Metadata *objectType = swift_getObjectType(executor.getIdentity());
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auto typeName = swift_getTypeName(objectType, true);
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swift_Concurrency_fatalError(
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0, "Incorrect actor executor assumption; expected '%.*s' executor.\n",
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(int)typeName.length, typeName.data);
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}
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}
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extern "C" SWIFT_CC(swift)
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bool swift_task_isMainExecutorImpl(SerialExecutorRef executor) {
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HeapObject *identity = executor.getIdentity();
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return executor.hasSerialExecutorWitnessTable()
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&& _swift_task_isMainExecutorSwift(identity,
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swift_getObjectType(identity),
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executor.getSerialExecutorWitnessTable());
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}
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extern "C" SWIFT_CC(swift)
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uint8_t swift_job_getPriority(Job *job) {
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return (uint8_t)(job->getPriority());
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}
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extern "C" SWIFT_CC(swift)
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uint8_t swift_job_getKind(Job *job) {
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return (uint8_t)(job->Flags.getKind());
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}
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extern "C" SWIFT_CC(swift)
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void *swift_job_getExecutorPrivateData(Job *job) {
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return &job->SchedulerPrivate[0];
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}
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#if SWIFT_CONCURRENCY_USES_DISPATCH
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extern "C" SWIFT_CC(swift) __attribute__((noreturn))
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void swift_dispatchMain() {
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dispatch_main();
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}
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extern "C" SWIFT_CC(swift)
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void swift_dispatchAssertMainQueue() {
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dispatch_assert_queue(dispatch_get_main_queue());
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}
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#endif // SWIFT_CONCURRENCY_ENABLE_DISPATCH
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#pragma clang diagnostic pop
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