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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.
This commit is contained in:
Andreas Kling 2021-01-20 23:11:17 +01:00
parent e279b45aed
commit 19d3f8cab7
48 changed files with 591 additions and 506 deletions

View file

@ -748,11 +748,11 @@ public:
KResult try_join(AddBlockerHandler add_blocker)
{
if (Thread::current() == this)
return KResult(-EDEADLK);
return EDEADLK;
ScopedSpinLock lock(m_lock);
if (!m_is_joinable || state() == Dead)
return KResult(-EINVAL);
return EINVAL;
add_blocker();