| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| use std::sync::OnceLock; |
| |
| pub fn runtime() -> &'static tokio::runtime::Runtime { |
| static RUNTIME: OnceLock<tokio::runtime::Runtime> = OnceLock::new(); |
| |
| RUNTIME.get_or_init(|| { |
| // The runtime is intentionally lazy and must not be initialized from PHP MINIT. |
| // Do not call pcntl_fork() after first use; Tokio worker threads are not inherited. |
| tokio::runtime::Builder::new_multi_thread() |
| .enable_all() |
| .build() |
| .expect("failed to initialize Tokio runtime") |
| }) |
| } |