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Remove unique_cond

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Not very useful.
This commit is contained in:
Nekotekina 2019-09-09 04:41:47 +03:00
parent a808c2aaf6
commit 92a75cfa80
2 changed files with 0 additions and 95 deletions
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48
Utilities/cond.cpp
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@ -54,54 +54,6 @@ void cond_variable::imp_wake(u32 _count) noexcept
}));
}
bool unique_cond::imp_wait(u64 _timeout) noexcept
{
// State transition: c_sig -> c_lock \ c_lock -> c_wait
const u32 _old = m_value.fetch_sub(1);
if (LIKELY(_old == c_sig))
return true;
return balanced_wait_until(m_value, _timeout, [&](u32& value, auto... ret) -> int
{
if (value == c_sig)
{
value = c_lock;
return +1;
}
if constexpr (sizeof...(ret))
{
value = c_lock;
return -1;
}
return 0;
});
}
void unique_cond::imp_notify() noexcept
{
auto [old, ok] = m_value.fetch_op([](u32& v)
{
if (UNLIKELY(v > 0 && v < c_sig))
{
v = c_sig;
return true;
}
return false;
});
verify(HERE), old <= c_sig;
if (LIKELY(!ok || old == c_lock))
{
return;
}
balanced_awaken(m_value, 1);
}
bool shared_cond::imp_wait(u32 slot, u64 _timeout) noexcept
{
if (slot >= 32)