ladybird/Userland/Libraries/LibThread/BackgroundAction.cpp
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

54 lines
1.3 KiB
C++

/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Queue.h>
#include <LibThread/BackgroundAction.h>
#include <LibThread/Lock.h>
#include <LibThread/Thread.h>
static LibThread::Lockable<Queue<Function<void()>>>* s_all_actions;
static LibThread::Thread* s_background_thread;
static int background_thread_func()
{
while (true) {
Function<void()> work_item;
{
LOCKER(s_all_actions->lock());
if (!s_all_actions->resource().is_empty())
work_item = s_all_actions->resource().dequeue();
}
if (work_item)
work_item();
else
sleep(1);
}
VERIFY_NOT_REACHED();
}
static void init()
{
s_all_actions = new LibThread::Lockable<Queue<Function<void()>>>();
s_background_thread = &LibThread::Thread::construct(background_thread_func).leak_ref();
s_background_thread->set_name("Background thread");
s_background_thread->start();
}
LibThread::Lockable<Queue<Function<void()>>>& LibThread::BackgroundActionBase::all_actions()
{
if (s_all_actions == nullptr)
init();
return *s_all_actions;
}
LibThread::Thread& LibThread::BackgroundActionBase::background_thread()
{
if (s_background_thread == nullptr)
init();
return *s_background_thread;
}