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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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6
Kernel/ThreadBlockers.cpp
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@ -611,7 +611,7 @@ Thread::WaitBlocker::WaitBlocker(int wait_options, idtype_t id_type, pid_t id, K
case P_PID: {
m_waitee = Process::from_pid(m_waitee_id);
if (!m_waitee || m_waitee->ppid() != Process::current()->pid()) {
m_result = KResult(-ECHILD);
m_result = ECHILD;
m_error = true;
return;
}
@ -620,7 +620,7 @@ Thread::WaitBlocker::WaitBlocker(int wait_options, idtype_t id_type, pid_t id, K
case P_PGID: {
m_waitee_group = ProcessGroup::from_pgid(m_waitee_id);
if (!m_waitee_group) {
m_result = KResult(-ECHILD);
m_result = ECHILD;
m_error = true;
return;
}
@ -670,7 +670,7 @@ void Thread::WaitBlocker::do_was_disowned()
{
ASSERT(!m_did_unblock);
m_did_unblock = true;
m_result = KResult(-ECHILD);
m_result = ECHILD;
}
void Thread::WaitBlocker::do_set_result(const siginfo_t& result)