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//===--- TracingSignpost.cpp - Tracing with the signpost API -------*- C++ -*-//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
//
// Concurrency tracing implemented with the os_signpost API.
//
//===----------------------------------------------------------------------===//
#if SWIFT_STDLIB_CONCURRENCY_TRACING
#include "TracingSignpost.h"
#include <stdio.h>
#define SWIFT_LOG_CONCURRENCY_SUBSYSTEM "com.apple.swift.concurrency"
#define SWIFT_LOG_ACTOR_CATEGORY "Actor"
#define SWIFT_LOG_TASK_CATEGORY "Task"
namespace swift {
namespace concurrency {
namespace trace {
os_log_t ActorLog;
os_log_t TaskLog;
swift::once_t LogsToken;
bool TracingEnabled;
void setupLogs(void *unused) {
if (!swift::runtime::trace::shouldEnableTracing()) {
TracingEnabled = false;
return;
}
TracingEnabled = true;
ActorLog = os_log_create(SWIFT_LOG_CONCURRENCY_SUBSYSTEM,
SWIFT_LOG_ACTOR_CATEGORY);
TaskLog = os_log_create(SWIFT_LOG_CONCURRENCY_SUBSYSTEM,
SWIFT_LOG_TASK_CATEGORY);
}
} // namespace trace
} // namespace concurrency
} // namespace swift
#endif
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