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Fix lf_queue_base::wait

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Add missing state change
This commit is contained in:
Nekotekina 2019-06-05 15:51:25 +03:00
parent b2e08100ff
commit 1dedeb37bf
1 changed files with 8 additions and 0 deletions
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8
Utilities/cond.cpp
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@ -275,6 +275,14 @@ void shared_cond::imp_notify() noexcept
bool lf_queue_base::wait(u64 _timeout)
{
auto _old = m_head.compare_and_swap(0, 1);
if (_old)
{
verify("lf_queue concurrent wait" HERE), _old != 1;
return true;
}
return balanced_wait_until(m_head, _timeout, [](std::uintptr_t& head, auto... ret) -> int
{
if (head != 1)