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test: lower priority of alarm thread in Windows ULT

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notify alarm thread readiness by setting atomic bool

Signed-off-by: Mateusz Jablonski <mateusz.jablonski@intel.com>
This commit is contained in:
Mateusz Jablonski
2023-12-01 16:40:07 +00:00
committed by Compute-Runtime-Automation
parent d07c2a93d9
commit f1841527a9
1 changed files with 7 additions and 5 deletions
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12
shared/test/common/os_interface/windows/signal_utils.cpp
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@@ -73,7 +73,7 @@ int setAlarm(bool enableAlarm) {
if (enableAlarm) {
abortOnTimeout = true;
std::condition_variable threadStarted;
std::atomic<bool> threadStarted{false};
alarmThread = std::make_unique<std::thread>([&]() {
auto currentUltIterationMaxTime = NEO::ultIterationMaxTime;
auto ultIterationMaxTimeEnv = getenv("NEO_ULT_ITERATION_MAX_TIME");
@@ -82,12 +82,13 @@ int setAlarm(bool enableAlarm) {
}
unsigned int alarmTime = currentUltIterationMaxTime * ::testing::GTEST_FLAG(repeat);
std::cout << "set timeout to: " << alarmTime << std::endl;
threadStarted.notify_all();
threadStarted = true;
std::chrono::high_resolution_clock::time_point startTime, endTime;
std::chrono::milliseconds elapsedTime{};
startTime = std::chrono::high_resolution_clock::now();
do {
std::this_thread::yield();
std::this_thread::sleep_for(std::chrono::milliseconds(1));
endTime = std::chrono::high_resolution_clock::now();
elapsedTime = std::chrono::duration_cast<std::chrono::milliseconds>(endTime - startTime);
if (!abortOnTimeout) {
@@ -101,10 +102,11 @@ int setAlarm(bool enableAlarm) {
abort();
}
});
SetThreadPriority(alarmThread->native_handle(), THREAD_PRIORITY_LOWEST);
std::mutex mtx;
std::unique_lock<std::mutex> lock(mtx);
threadStarted.wait(lock);
while (!threadStarted.load()) {
std::this_thread::yield();
}
}
return 0;