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[orbis-kernel] reduced log spam

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fixed rmdir
This commit is contained in:
DH 2023-11-13 21:38:21 +03:00
parent d6a4d74d10
commit 0f86008b9b
8 changed files with 105 additions and 52 deletions
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68
orbis-kernel/src/utils/SharedCV.cpp
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@ -8,46 +8,56 @@ namespace orbis::utils {
void shared_cv::impl_wait(shared_mutex &mutex, unsigned _val,
std::uint64_t usec_timeout) noexcept {
// Not supposed to fail
if (!_val)
if (!_val) {
std::abort();
}
// Wait with timeout
struct timespec timeout {};
timeout.tv_nsec = (usec_timeout % 1000'000) * 1000;
timeout.tv_sec = (usec_timeout / 1000'000);
again:
auto result = syscall(SYS_futex, &m_value, FUTEX_WAIT, _val,
usec_timeout + 1 ? &timeout : nullptr, 0, 0);
if (result < 0)
result = errno;
// Cleanup
const auto old = atomic_fetch_op(m_value, [&](unsigned &value) {
// Remove waiter if no signals
if (!(value & ~c_waiter_mask) && result != EAGAIN)
value -= 1;
while (true) {
auto result = syscall(SYS_futex, &m_value, FUTEX_WAIT, _val,
usec_timeout + 1 ? &timeout : nullptr, 0, 0);
if (result < 0) {
result = errno;
}
// Try to remove signal
if (value & c_signal_mask)
value -= c_signal_one;
if (value & c_locked_mask)
value -= c_locked_mask;
});
// Cleanup
const auto old = atomic_fetch_op(m_value, [&](unsigned &value) {
// Remove waiter if no signals
if (!(value & ~c_waiter_mask) && result != EAGAIN && result != EINTR) {
value -= 1;
}
// Lock is already acquired
if (old & c_locked_mask) {
return;
// Try to remove signal
if (value & c_signal_mask) {
value -= c_signal_one;
}
if (value & c_locked_mask) {
value -= c_locked_mask;
}
});
// Lock is already acquired
if (old & c_locked_mask) {
return;
}
// Wait directly (waiter has been added)
if (old & c_signal_mask) {
mutex.impl_wait();
return;
}
// Possibly spurious wakeup
if (result != EAGAIN && result != EINTR) {
break;
}
}
// Wait directly (waiter has been added)
if (old & c_signal_mask) {
mutex.impl_wait();
return;
}
// Possibly spurious wakeup
if (result == EAGAIN)
goto again;
mutex.lock();
}