Ichthyostega
4d783770d0
...which showed up under high system load. The initialisation of the member variables for the check sum could be delayed while the corresponding thread was already running
90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
/*
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ThreadWrapperSelfRecognitionTest(Test) - detect when code is running within a thread
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Copyright (C) Lumiera.org
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2017, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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#include "lib/test/run.hpp"
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#include "lib/test/test-helper.hpp"
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#include "backend/thread-wrapper.hpp"
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#include "lib/error.hpp"
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using test::Test;
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namespace backend {
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namespace test {
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using lumiera::error::LUMIERA_ERROR_LOGIC;
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namespace {
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class TestThread
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: Thread
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{
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public:
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TestThread()
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: Thread{"test Thread self recognition"
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,[&]()
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{
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CHECK (invocation_happens_within_this_thread());
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}}
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{ }
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bool
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invocation_happens_within_this_thread()
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{
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return invokedWithinThread();
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}
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};
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}
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/******************************************************//**
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* @test verify the ability of a thread to detect code
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* executing within the thread itself.
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*
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* @see Thread::invokedWithinThread()
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* @see proc::control::DispatcherLoop::stateIsSynched()
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*/
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class ThreadWrapperSelfRecognitionTest_test : public Test
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{
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virtual void
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run (Arg)
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{
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TestThread testThread;
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CHECK (not testThread.invocation_happens_within_this_thread());
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usleep(10); // give the thread a chance to run before shutdown
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}
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};
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/** Register this test class... */
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LAUNCHER (ThreadWrapperSelfRecognitionTest_test, "function common");
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}} // namespace backend::test
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