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Kernel+LibC: Turn errno codes into a strongly typed enum

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..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
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4
Kernel/Syscalls/waitid.cpp
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@ -38,12 +38,12 @@ KResultOr<siginfo_t> Process::do_waitid(idtype_t idtype, int id, int options)
case P_PGID:
break;
default:
return KResult(-EINVAL);
return EINVAL;
}
KResultOr<siginfo_t> result = KResult(KSuccess);
if (Thread::current()->block<Thread::WaitBlocker>({}, options, idtype, id, result).was_interrupted())
return KResult(-EINTR);
return EINTR;
ASSERT(!result.is_error() || (options & WNOHANG) || result.error() != KSuccess);
return result;
}