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/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/IntrusiveList.h>
#include <AK/RefCounted.h>
#include <AK/Weakable.h>
#include <Kernel/Locking/SpinlockProtected.h>
#include <Kernel/UnixTypes.h>
namespace Kernel {
class ProcessGroup
: public RefCounted<ProcessGroup>
, public Weakable<ProcessGroup> {
AK_MAKE_NONMOVABLE(ProcessGroup);
AK_MAKE_NONCOPYABLE(ProcessGroup);
public:
~ProcessGroup();
static ErrorOr<NonnullRefPtr<ProcessGroup>> try_create(ProcessGroupID);
static ErrorOr<NonnullRefPtr<ProcessGroup>> try_find_or_create(ProcessGroupID);
static RefPtr<ProcessGroup> from_pgid(ProcessGroupID);
ProcessGroupID const& pgid() const { return m_pgid; }
private:
ProcessGroup(ProcessGroupID pgid)
: m_pgid(pgid)
{
}
IntrusiveListNode<ProcessGroup> m_list_node;
ProcessGroupID m_pgid;
public:
using List = IntrusiveList<&ProcessGroup::m_list_node>;
};
SpinlockProtected<ProcessGroup::List>& process_groups();
}
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