blob: 2f74ff8d79f0342118618d934e245e320f044aab (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/*
* Copyright (c) 2020-2023, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/IntrusiveList.h>
#include <AK/RefPtr.h>
#include <Kernel/Forward.h>
#include <Kernel/Library/ListedRefCounted.h>
#include <Kernel/Library/LockWeakable.h>
#include <Kernel/Locking/SpinlockProtected.h>
#include <Kernel/UnixTypes.h>
namespace Kernel {
class ProcessGroup
: public ListedRefCounted<ProcessGroup, LockType::Spinlock>
, public LockWeakable<ProcessGroup> {
AK_MAKE_NONMOVABLE(ProcessGroup);
AK_MAKE_NONCOPYABLE(ProcessGroup);
public:
~ProcessGroup();
static ErrorOr<NonnullRefPtr<ProcessGroup>> create_if_unused_pgid(ProcessGroupID);
static ErrorOr<NonnullRefPtr<ProcessGroup>> find_or_create(ProcessGroupID);
static RefPtr<ProcessGroup> from_pgid(ProcessGroupID);
ProcessGroupID const& pgid() const { return m_pgid; }
private:
ProcessGroup(ProcessGroupID pgid)
: m_pgid(pgid)
{
}
ProcessGroupID m_pgid;
mutable IntrusiveListNode<ProcessGroup> m_list_node;
public:
using AllInstancesList = IntrusiveList<&ProcessGroup::m_list_node>;
static SpinlockProtected<AllInstancesList, LockRank::None>& all_instances();
};
}
|
