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Kernel: Add CLOCK_REALTIME support to the TimerQueue

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This allows us to use blocking timeouts with either monotonic or
real time for all blockers. Which means that clock_nanosleep()
now also supports CLOCK_REALTIME.

Also, switch alarm() to use CLOCK_REALTIME as per specification.
This commit is contained in:
Tom
2020-12-01 16:53:47 -07:00
committed by Andreas Kling
parent 4c1e27ec65
commit 12cf6f8650
9 changed files with 182 additions and 97 deletions
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6
Kernel/ThreadBlockers.cpp
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@@ -197,7 +197,7 @@ auto Thread::WriteBlocker::override_timeout(const BlockTimeout& timeout) -> cons
if (description.is_socket()) {
auto& socket = *description.socket();
if (socket.has_send_timeout()) {
m_timeout = BlockTimeout(false, &socket.send_timeout(), timeout.start_time());
m_timeout = BlockTimeout(false, &socket.send_timeout(), timeout.start_time(), timeout.clock_id());
if (timeout.is_infinite() || (!m_timeout.is_infinite() && m_timeout.absolute_time() < timeout.absolute_time()))
return m_timeout;
}
@@ -216,7 +216,7 @@ auto Thread::ReadBlocker::override_timeout(const BlockTimeout& timeout) -> const
if (description.is_socket()) {
auto& socket = *description.socket();
if (socket.has_receive_timeout()) {
m_timeout = BlockTimeout(false, &socket.receive_timeout(), timeout.start_time());
m_timeout = BlockTimeout(false, &socket.receive_timeout(), timeout.start_time(), timeout.clock_id());
if (timeout.is_infinite() || (!m_timeout.is_infinite() && m_timeout.absolute_time() < timeout.absolute_time()))
return m_timeout;
}
@@ -256,7 +256,7 @@ void Thread::SleepBlocker::calculate_remaining()
{
if (!m_remaining)
return;
auto time_now = TimeManagement::the().monotonic_time();
auto time_now = TimeManagement::the().current_time(m_deadline.clock_id()).value();
if (time_now < m_deadline.absolute_time())
timespec_sub(m_deadline.absolute_time(), time_now, *m_remaining);
else