RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 06:37:43 +00:00
Code Issues Activity Actions

Kernel: Move all tasks-related code to the Tasks subdirectory

Browse source
This commit is contained in:
Liav A 2023-02-24 19:45:37 +02:00 • committed by Jelle Raaijmakers
parent 788022d5d1
commit 1b04726c85
184 changed files with 245 additions and 243 deletions
Download patch file Download diff file Expand all files Collapse all files

59
Kernel/Tasks/ProcessGroup.cpp Normal file
View file

@ -0,0 +1,59 @@
/*
* Copyright (c) 2020, the SerenityOS developers.
* Copyright (c) 2021-2023, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Singleton.h>
#include <Kernel/Tasks/ProcessGroup.h>
namespace Kernel {
static Singleton<SpinlockProtected<ProcessGroup::AllInstancesList, LockRank::None>> s_all_instances;
SpinlockProtected<ProcessGroup::AllInstancesList, LockRank::None>& ProcessGroup::all_instances()
{
return s_all_instances;
}
ProcessGroup::~ProcessGroup() = default;
ErrorOr<NonnullRefPtr<ProcessGroup>> ProcessGroup::create_if_unused_pgid(ProcessGroupID pgid)
{
return all_instances().with([&](auto& all_instances) -> ErrorOr<NonnullRefPtr<ProcessGroup>> {
for (auto& process_group : all_instances) {
if (process_group.pgid() == pgid)
return EPERM;
}
auto process_group = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) ProcessGroup(pgid)));
all_instances.prepend(*process_group);
return process_group;
});
}
ErrorOr<NonnullRefPtr<ProcessGroup>> ProcessGroup::find_or_create(ProcessGroupID pgid)
{
return all_instances().with([&](auto& all_instances) -> ErrorOr<NonnullRefPtr<ProcessGroup>> {
for (auto& group : all_instances) {
if (group.pgid() == pgid)
return group;
}
auto process_group = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) ProcessGroup(pgid)));
all_instances.prepend(*process_group);
return process_group;
});
}
RefPtr<ProcessGroup> ProcessGroup::from_pgid(ProcessGroupID pgid)
{
return all_instances().with([&](auto& groups) -> RefPtr<ProcessGroup> {
for (auto& group : groups) {
if (group.pgid() == pgid)
return &group;
}
return nullptr;
});
}
}