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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <type_traits>
#include <wtf/DataLog.h>
#include <wtf/Threading.h>
#include <wtf/threads/Signals.h>
class ReflectedThread : public Thread {
public:
using Thread::m_mutex;
using Thread::m_handle;
using Thread::hasExited;
};
TEST(Signals, SignalsWorkOnExit)
{
static bool handlerRan = false;
addSignalHandler(Signal::Usr, [] (Signal signal, SigInfo&, PlatformRegisters&) -> SignalAction {
RELEASE_ASSERT(signal == Signal::Usr);
dataLogLn("here");
handlerRan = true;
return SignalAction::Handled;
});
activateSignalHandlersFor(Signal::Usr);
Atomic<bool> receiverShouldKeepRunning(true);
Ref<Thread> receiverThread = (Thread::create("ThreadMessage receiver",
[&receiverShouldKeepRunning] () {
while (receiverShouldKeepRunning.load()) { }
}));
bool signalFired;
{
std::unique_lock<WordLock> locker(static_cast<ReflectedThread&>(receiverThread.get()).m_mutex);
receiverShouldKeepRunning.store(false);
EXPECT_FALSE(static_cast<ReflectedThread&>(receiverThread.get()).hasExited());
sleep(1_s);
signalFired = !pthread_kill(static_cast<ReflectedThread&>(receiverThread.get()).m_handle, std::get<0>(toSystemSignal(Signal::Usr)));
}
receiverThread->waitForCompletion();
EXPECT_TRUE(handlerRan || !signalFired);
}
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