ladybird/Kernel/WaitQueue.cpp

37 lines
668 B
C++

#include <Kernel/Thread.h>
#include <Kernel/WaitQueue.h>
WaitQueue::WaitQueue()
{
}
WaitQueue::~WaitQueue()
{
}
void WaitQueue::enqueue(Thread& thread)
{
InterruptDisabler disabler;
m_threads.append(thread);
}
void WaitQueue::wake_one()
{
InterruptDisabler disabler;
if (m_threads.is_empty())
return;
if (auto* thread = m_threads.take_first())
thread->wake_from_queue();
Scheduler::stop_idling();
}
void WaitQueue::wake_all()
{
InterruptDisabler disabler;
if (m_threads.is_empty())
return;
while (!m_threads.is_empty())
m_threads.take_first()->wake_from_queue();
Scheduler::stop_idling();
}