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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/Lock.h>
#include <Kernel/SpinLock.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 RefPtr<ProcessGroup> create(ProcessGroupID);
static RefPtr<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)
{
}
IntrusiveListNode<ProcessGroup> m_list_node;
ProcessGroupID m_pgid;
public:
using List = IntrusiveList<ProcessGroup, RawPtr<ProcessGroup>, &ProcessGroup::m_list_node>;
};
extern ProcessGroup::List* g_process_groups;
extern RecursiveSpinLock g_process_groups_lock;
}
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