src/tools/runtime.rs: implement get_runtime_with_builder
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@ -56,30 +56,41 @@ extern {
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///
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///
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/// This makes sure that tokio's worker threads are marked for us so that we know whether we
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/// This makes sure that tokio's worker threads are marked for us so that we know whether we
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/// can/need to use `block_in_place` in our `block_on` helper.
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/// can/need to use `block_in_place` in our `block_on` helper.
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pub fn get_runtime() -> Arc<Runtime> {
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pub fn get_runtime_with_builder<F: Fn() -> runtime::Builder>(get_builder: F) -> Arc<Runtime> {
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let mut guard = RUNTIME.lock().unwrap();
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let mut guard = RUNTIME.lock().unwrap();
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if let Some(rt) = guard.upgrade() { return rt; }
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if let Some(rt) = guard.upgrade() { return rt; }
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let rt = Arc::new(
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let mut builder = get_builder();
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runtime::Builder::new()
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builder.on_thread_stop(|| {
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.on_thread_stop(|| {
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// avoid openssl bug: https://github.com/openssl/openssl/issues/6214
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// avoid openssl bug: https://github.com/openssl/openssl/issues/6214
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// call OPENSSL_thread_stop to avoid race with openssl cleanup handlers
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// call OPENSSL_thread_stop to avoid race with openssl cleanup handlers
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unsafe { OPENSSL_thread_stop(); }
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unsafe { OPENSSL_thread_stop(); }
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})
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});
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.threaded_scheduler()
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.enable_all()
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let runtime = builder.build().expect("failed to spawn tokio runtime");
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.build()
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let rt = Arc::new(runtime);
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.expect("failed to spawn tokio runtime")
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);
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*guard = Arc::downgrade(&rt.clone());
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*guard = Arc::downgrade(&rt.clone());
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rt
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rt
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}
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}
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/// Get or create the current main tokio runtime.
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///
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/// This calls get_runtime_with_builder() using the tokio default threaded scheduler
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pub fn get_runtime() -> Arc<Runtime> {
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get_runtime_with_builder(|| {
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let mut builder = runtime::Builder::new();
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builder.threaded_scheduler();
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builder.enable_all();
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builder
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})
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}
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/// Block on a synchronous piece of code.
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/// Block on a synchronous piece of code.
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pub fn block_in_place<R>(fut: impl FnOnce() -> R) -> R {
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pub fn block_in_place<R>(fut: impl FnOnce() -> R) -> R {
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// don't double-exit the context (tokio doesn't like that)
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// don't double-exit the context (tokio doesn't like that)
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