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Kernel: Make KString factories return KResultOr + use TRY() everywhere

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There are a number of places that don't have an error propagation path
right now, so I've added FIXME's about that.
This commit is contained in:
Andreas Kling
2021-09-06 19:24:54 +02:00
parent 69b9b2888c
commit 56a2594de7
21 changed files with 100 additions and 122 deletions
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10
Kernel/Thread.cpp
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@@ -46,11 +46,8 @@ KResultOr<NonnullRefPtr<Thread>> Thread::try_create(NonnullRefPtr<Process> proce
if (!block_timer)
return ENOMEM;
auto name = KString::try_create(process->name());
if (!name)
return ENOMEM;
return adopt_nonnull_ref_or_enomem(new (nothrow) Thread(move(process), move(kernel_stack_region), block_timer.release_nonnull(), name.release_nonnull()));
auto name = TRY(KString::try_create(process->name()));
return adopt_nonnull_ref_or_enomem(new (nothrow) Thread(move(process), move(kernel_stack_region), block_timer.release_nonnull(), move(name)));
}
Thread::Thread(NonnullRefPtr<Process> process, NonnullOwnPtr<Memory::Region> kernel_stack_region, NonnullRefPtr<Timer> block_timer, NonnullOwnPtr<KString> name)
@@ -70,7 +67,8 @@ Thread::Thread(NonnullRefPtr<Process> process, NonnullOwnPtr<Memory::Region> ker
{
// FIXME: Go directly to KString
auto string = String::formatted("Kernel stack (thread {})", m_tid.value());
m_kernel_stack_region->set_name(KString::try_create(string));
// FIXME: Handle KString allocation failure.
m_kernel_stack_region->set_name(KString::try_create(string).release_value());
}
Thread::all_instances().with([&](auto& list) {