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Kernel: Make Threads always have a name

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We previously allowed Thread to exist in a state where its m_name was
null, and had to work around that in various places.

This patch removes that possibility and forces those who would create a
thread (or change the name of one) to provide a NonnullOwnPtr<KString>
with the name.
This commit is contained in:
Andreas Kling 2021-09-06 12:44:27 +02:00
parent cda2b9e71c
commit 7981422500
7 changed files with 25 additions and 13 deletions
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6
Kernel/Thread.cpp
View file

@ -47,11 +47,13 @@ KResultOr<NonnullRefPtr<Thread>> Thread::try_create(NonnullRefPtr<Process> proce
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(), move(name)));
return adopt_nonnull_ref_or_enomem(new (nothrow) Thread(move(process), move(kernel_stack_region), block_timer.release_nonnull(), name.release_nonnull()));
}
Thread::Thread(NonnullRefPtr<Process> process, NonnullOwnPtr<Memory::Region> kernel_stack_region, NonnullRefPtr<Timer> block_timer, OwnPtr<KString> name)
Thread::Thread(NonnullRefPtr<Process> process, NonnullOwnPtr<Memory::Region> kernel_stack_region, NonnullRefPtr<Timer> block_timer, NonnullOwnPtr<KString> name)
: m_process(move(process))
, m_kernel_stack_region(move(kernel_stack_region))
, m_name(move(name))