ladybird/Kernel/ProcessGroup.cpp
Brian Gianforcaro 425195e93f Kernel: Standardize the header include style to 'include <Kernel/...>'
This is the overwhelming standard in the project, but there were some
cases in the kernel which were not following it, lets fix those cases!
2021-07-11 21:37:38 +02:00

53 lines
1.1 KiB
C++

/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/ProcessGroup.h>
namespace Kernel {
RecursiveSpinLock g_process_groups_lock;
ProcessGroup::List* g_process_groups;
ProcessGroup::~ProcessGroup()
{
ScopedSpinLock lock(g_process_groups_lock);
g_process_groups->remove(*this);
}
RefPtr<ProcessGroup> ProcessGroup::create(ProcessGroupID pgid)
{
auto process_group = adopt_ref_if_nonnull(new (nothrow) ProcessGroup(pgid));
if (process_group) {
ScopedSpinLock lock(g_process_groups_lock);
g_process_groups->prepend(*process_group);
}
return process_group;
}
RefPtr<ProcessGroup> ProcessGroup::find_or_create(ProcessGroupID pgid)
{
ScopedSpinLock lock(g_process_groups_lock);
if (auto existing = from_pgid(pgid))
return existing.release_nonnull();
return create(pgid);
}
RefPtr<ProcessGroup> ProcessGroup::from_pgid(ProcessGroupID pgid)
{
ScopedSpinLock lock(g_process_groups_lock);
for (auto& group : *g_process_groups) {
if (group.pgid() == pgid)
return &group;
}
return nullptr;
}
}