mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 21:02:44 +00:00
35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
/*
|
|
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/Process.h>
|
|
#include <Kernel/Scheduler.h>
|
|
#include <Kernel/Sections.h>
|
|
#include <Kernel/Tasks/FinalizerTask.h>
|
|
|
|
namespace Kernel {
|
|
|
|
static void finalizer_task(void*)
|
|
{
|
|
Thread::current()->set_priority(THREAD_PRIORITY_LOW);
|
|
for (;;) {
|
|
// The order of this if-else is important: We want to continue trying to finalize the threads in case
|
|
// Thread::finalize_dying_threads set g_finalizer_has_work back to true due to OOM conditions
|
|
if (g_finalizer_has_work.exchange(false, AK::MemoryOrder::memory_order_acq_rel) == true)
|
|
Thread::finalize_dying_threads();
|
|
else
|
|
g_finalizer_wait_queue->wait_forever("FinalizerTask");
|
|
}
|
|
};
|
|
|
|
UNMAP_AFTER_INIT void FinalizerTask::spawn()
|
|
{
|
|
RefPtr<Thread> finalizer_thread;
|
|
auto finalizer_process = Process::create_kernel_process(finalizer_thread, KString::must_create("FinalizerTask"), finalizer_task, nullptr);
|
|
VERIFY(finalizer_process);
|
|
g_finalizer = finalizer_thread;
|
|
}
|
|
|
|
}
|