60 lines
1.5 KiB
D
60 lines
1.5 KiB
D
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/+ dub.sdl:
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name "tests"
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description "Semaphore hang"
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dependency "vibe-core" path="../"
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+/
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module test;
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import std.stdio;
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import std.socket;
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import std.datetime;
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import std.functional;
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import core.time;
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import vibe.core.core;
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import vibe.core.log;
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import vibe.core.concurrency;
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import vibe.core.connectionpool;
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class Conn {}
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void main()
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{
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runTask({
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// create pool with 2 max connections
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bool[int] results;
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auto pool = new ConnectionPool!Conn({ return new Conn; }, 2);
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auto task = Task.getThis(); // main task
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void worker(int id) {
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{
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auto conn = pool.lockConnection(); // <-- worker(4) hangs here
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sleep(1.msecs); // <-- important, without sleep everything works fine
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}
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task.send(id); // send signal to the main task
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}
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// run 4 tasks (2 * pool max connections)
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runTask(&worker, 1);
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runTask(&worker, 2);
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runTask(&worker, 3);
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runTask(&worker, 4);
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// wait for first signal and run one more task
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results[receiveOnly!int] = true;
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runTask(&worker, 5);
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// wait for other signals
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results[receiveOnly!int] = true;
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results[receiveOnly!int] = true;
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results[receiveOnly!int] = true;
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results[receiveOnly!int] = true;
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foreach (r; results.byKey)
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assert(r >= 1 && r <= 5);
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exitEventLoop();
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});
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setTimer(1.seconds, { assert(false, "Test has hung."); });
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runEventLoop();
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}
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