2015-08-11 05:27:10 +02:00
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<?php
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namespace Icicle\Tests\Concurrent\Sync;
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2015-09-04 06:23:12 +02:00
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use Icicle\Concurrent\Forking\Fork;
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2016-01-23 07:00:56 +01:00
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use Icicle\Concurrent\Sync\{PosixSemaphore, Semaphore};
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2015-08-11 05:27:10 +02:00
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use Icicle\Coroutine;
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use Icicle\Loop;
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/**
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* @group posix
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2015-08-31 11:18:14 +02:00
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* @requires extension sysvmsg
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2015-08-11 05:27:10 +02:00
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*/
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2015-09-04 06:23:12 +02:00
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class PosixSemaphoreTest extends AbstractSemaphoreTest
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2015-08-11 05:27:10 +02:00
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{
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2015-09-04 06:23:12 +02:00
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public function createSemaphore($locks)
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2015-08-31 11:18:14 +02:00
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{
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2015-09-04 06:23:12 +02:00
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return new PosixSemaphore($locks);
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}
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2015-08-31 11:18:14 +02:00
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2015-09-04 06:23:12 +02:00
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public function tearDown()
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{
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2015-09-26 06:41:15 +02:00
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if ($this->semaphore && !$this->semaphore->isFreed()) {
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2015-09-04 06:23:12 +02:00
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$this->semaphore->free();
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}
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2015-08-31 11:18:14 +02:00
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}
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2015-09-26 06:41:15 +02:00
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public function testCloneIsNewSemaphore()
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{
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Coroutine\create(function () {
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$this->semaphore = $this->createSemaphore(1);
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$clone = clone $this->semaphore;
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2016-01-23 07:00:56 +01:00
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$lock = yield from $clone->acquire();
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2015-09-26 06:41:15 +02:00
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$this->assertCount(1, $this->semaphore);
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$this->assertCount(0, $clone);
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$lock->release();
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$clone->free();
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})->done();
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Loop\run();
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}
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2015-09-04 06:23:12 +02:00
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public function testFree()
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2015-08-31 11:18:14 +02:00
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{
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2015-09-04 06:23:12 +02:00
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$this->semaphore = $this->createSemaphore(1);
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2015-08-31 11:18:14 +02:00
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2015-09-04 06:23:12 +02:00
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$this->assertFalse($this->semaphore->isFreed());
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2015-08-31 11:18:14 +02:00
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2015-09-04 06:23:12 +02:00
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$this->semaphore->free();
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$this->assertTrue($this->semaphore->isFreed());
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2015-08-31 11:18:14 +02:00
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}
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2015-09-04 06:23:12 +02:00
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/**
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* @requires extension pcntl
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*/
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public function testAcquireInMultipleForks()
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2015-08-11 05:27:10 +02:00
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{
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Coroutine\create(function () {
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2015-09-04 06:23:12 +02:00
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$this->semaphore = $this->createSemaphore(1);
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2015-08-31 11:18:14 +02:00
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2015-12-05 06:50:32 +01:00
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$fork1 = new Fork(function (Semaphore $semaphore) {
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2016-01-23 07:00:56 +01:00
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$lock = yield from $semaphore->acquire();
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2015-08-31 11:18:14 +02:00
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2015-09-04 06:23:12 +02:00
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usleep(1e5);
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2015-08-11 05:35:59 +02:00
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2015-09-04 06:23:12 +02:00
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$lock->release();
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2015-08-11 05:27:10 +02:00
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2015-09-04 06:23:12 +02:00
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yield 0;
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}, $this->semaphore);
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2015-08-11 05:27:10 +02:00
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2015-12-05 06:50:32 +01:00
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$fork2 = new Fork(function (Semaphore $semaphore) {
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2016-01-23 07:00:56 +01:00
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$lock = yield from $semaphore->acquire();
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2015-08-31 11:18:14 +02:00
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2015-09-04 06:23:12 +02:00
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usleep(1e5);
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2015-08-31 11:18:14 +02:00
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2015-09-04 06:23:12 +02:00
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$lock->release();
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2015-08-31 11:18:14 +02:00
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2015-09-04 06:23:12 +02:00
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yield 1;
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}, $this->semaphore);
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2015-08-31 11:18:14 +02:00
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2015-09-04 06:23:12 +02:00
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$start = microtime(true);
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2015-08-31 11:18:14 +02:00
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2015-09-04 06:23:12 +02:00
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$fork1->start();
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$fork2->start();
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2015-08-31 11:18:14 +02:00
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2015-09-04 06:23:12 +02:00
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yield $fork1->join();
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yield $fork2->join();
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2015-08-31 11:18:14 +02:00
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2015-09-04 06:23:12 +02:00
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$this->assertGreaterThan(1, microtime(true) - $start);
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2015-08-31 11:18:14 +02:00
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});
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Loop\run();
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}
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2015-08-11 05:27:10 +02:00
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}
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