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Kernel+LibC: Turn errno codes into a strongly typed enum
..and allow implicit creation of KResult and KResultOr from ErrnoCode. This means that kernel functions that return those types can finally do "return EINVAL;" and it will just work. There's a handful of functions that still deal with signed integers that should be converted to return KResults.
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48 changed files with 591 additions and 506 deletions
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@ -748,11 +748,11 @@ public:
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KResult try_join(AddBlockerHandler add_blocker)
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{
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if (Thread::current() == this)
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return KResult(-EDEADLK);
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return EDEADLK;
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ScopedSpinLock lock(m_lock);
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if (!m_is_joinable || state() == Dead)
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return KResult(-EINVAL);
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return EINVAL;
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add_blocker();
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