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Kernel: Use KResultOr better in ProcessGroup construction

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This allows us to use TRY() more.
This commit is contained in:
Andreas Kling 2021-09-05 21:48:04 +02:00
parent 540d62d3b2
commit 98dc08fe56
3 changed files with 11 additions and 21 deletions
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17
Kernel/ProcessGroup.cpp
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@ -24,27 +24,24 @@ ProcessGroup::~ProcessGroup()
});
}
RefPtr<ProcessGroup> ProcessGroup::try_create(ProcessGroupID pgid)
KResultOr<NonnullRefPtr<ProcessGroup>> ProcessGroup::try_create(ProcessGroupID pgid)
{
auto process_group = adopt_ref_if_nonnull(new (nothrow) ProcessGroup(pgid));
if (!process_group)
return {};
auto process_group = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) ProcessGroup(pgid)));
process_groups().with([&](auto& groups) {
groups.prepend(*process_group);
});
return process_group;
}
RefPtr<ProcessGroup> ProcessGroup::try_find_or_create(ProcessGroupID pgid)
KResultOr<NonnullRefPtr<ProcessGroup>> ProcessGroup::try_find_or_create(ProcessGroupID pgid)
{
return process_groups().with([&](auto& groups) -> RefPtr<ProcessGroup> {
return process_groups().with([&](auto& groups) -> KResultOr<NonnullRefPtr<ProcessGroup>> {
for (auto& group : groups) {
if (group.pgid() == pgid)
return &group;
return group;
}
auto process_group = adopt_ref_if_nonnull(new (nothrow) ProcessGroup(pgid));
if (process_group)
groups.prepend(*process_group);
auto process_group = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) ProcessGroup(pgid)));
groups.prepend(*process_group);
return process_group;
});
}