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/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/InlineLinkedList.h>
#include <AK/RefCounted.h>
#include <AK/Weakable.h>
#include <Kernel/Lock.h>
#include <Kernel/SpinLock.h>
#include <Kernel/UnixTypes.h>
namespace Kernel {
class ProcessGroup
: public RefCounted<ProcessGroup>
, public Weakable<ProcessGroup>
, public InlineLinkedListNode<ProcessGroup> {
AK_MAKE_NONMOVABLE(ProcessGroup);
AK_MAKE_NONCOPYABLE(ProcessGroup);
friend InlineLinkedListNode<ProcessGroup>;
public:
~ProcessGroup();
static NonnullRefPtr<ProcessGroup> create(ProcessGroupID);
static NonnullRefPtr<ProcessGroup> find_or_create(ProcessGroupID);
static RefPtr<ProcessGroup> from_pgid(ProcessGroupID);
const ProcessGroupID& pgid() const { return m_pgid; }
private:
ProcessGroup(ProcessGroupID pgid)
: m_pgid(pgid)
{
}
ProcessGroup* m_prev { nullptr };
ProcessGroup* m_next { nullptr };
ProcessGroupID m_pgid;
};
extern InlineLinkedList<ProcessGroup>* g_process_groups;
extern RecursiveSpinLock g_process_groups_lock;
}
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