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Remove special case for zero-wait processing off events.

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This ensures that all kinds of events are processed, including timers and I/O events.
This commit is contained in:
Sönke Ludwig 2018-06-05 11:35:57 +02:00
parent abdbc91c4b
commit 5d317ca9e7
1 changed files with 39 additions and 48 deletions
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87
source/eventcore/drivers/winapi/core.d
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@ -73,28 +73,21 @@ final class WinAPIEventDriverCore : EventDriverCore {
if (!waiterCount) return ExitReason.outOfWaiters;
bool got_event;
long now = currStdTime;
do {
auto nextto = min(m_timers.getNextTimeout(now), timeout);
got_event |= doProcessEvents(nextto);
long prev_step = now;
now = currStdTime;
got_event |= m_timers.process(now);
if (timeout <= 0.seconds) {
got_event = doProcessEvents(0.seconds);
got_event |= m_timers.process(currStdTime);
return got_event ? ExitReason.idle : ExitReason.timeout;
} else {
long now = currStdTime;
do {
auto nextto = min(m_timers.getNextTimeout(now), timeout);
got_event |= doProcessEvents(nextto);
long prev_step = now;
now = currStdTime;
got_event |= m_timers.process(now);
if (m_exit) {
m_exit = false;
return ExitReason.exited;
} else if (got_event) break;
if (timeout != Duration.max)
timeout -= (now - prev_step).hnsecs;
} while (timeout > 0.seconds);
}
if (m_exit) {
m_exit = false;
return ExitReason.exited;
} else if (got_event) break;
if (timeout != Duration.max)
timeout -= (now - prev_step).hnsecs;
} while (timeout > 0.seconds);
if (!waiterCount) return ExitReason.outOfWaiters;
if (got_event) return ExitReason.idle;
@ -159,41 +152,39 @@ final class WinAPIEventDriverCore : EventDriverCore {
private bool doProcessEvents(Duration max_wait)
{
import core.time : seconds;
import std.algorithm.comparison : min;
import std.algorithm.comparison : min, max;
executeThreadCallbacks();
bool got_event;
if (max_wait > 0.seconds) {
DWORD timeout_msecs = max_wait == Duration.max ? INFINITE : cast(DWORD)min(max_wait.total!"msecs", DWORD.max);
auto ret = () @trusted { return MsgWaitForMultipleObjectsEx(cast(DWORD)m_registeredEvents.length, m_registeredEvents.ptr,
timeout_msecs, QS_ALLEVENTS, MWMO_ALERTABLE|MWMO_INPUTAVAILABLE); } ();
DWORD timeout_msecs = max_wait == Duration.max ? INFINITE : cast(DWORD)min(max(max_wait.total!"msecs", 0), DWORD.max);
auto ret = () @trusted { return MsgWaitForMultipleObjectsEx(cast(DWORD)m_registeredEvents.length, m_registeredEvents.ptr,
timeout_msecs, QS_ALLEVENTS, MWMO_ALERTABLE|MWMO_INPUTAVAILABLE); } ();
while (!m_ioEvents.empty) {
auto evt = m_ioEvents.consumeOne();
evt.process(evt.error, evt.bytesTransferred, evt.overlapped);
}
if (ret == WAIT_IO_COMPLETION) got_event = true;
else if (ret >= WAIT_OBJECT_0 && ret < WAIT_OBJECT_0 + m_registeredEvents.length) {
if (auto pc = m_registeredEvents[ret - WAIT_OBJECT_0] in m_eventCallbacks) {
(*pc)();
got_event = true;
}
}
/*if (ret == WAIT_OBJECT_0) {
got_event = true;
Win32TCPConnection[] to_remove;
foreach( fw; m_fileWriters.byKey )
if( fw.testFileWritten() )
to_remove ~= fw;
foreach( fw; to_remove )
m_fileWriters.remove(fw);
}*/
while (!m_ioEvents.empty) {
auto evt = m_ioEvents.consumeOne();
evt.process(evt.error, evt.bytesTransferred, evt.overlapped);
}
if (ret == WAIT_IO_COMPLETION) got_event = true;
else if (ret >= WAIT_OBJECT_0 && ret < WAIT_OBJECT_0 + m_registeredEvents.length) {
if (auto pc = m_registeredEvents[ret - WAIT_OBJECT_0] in m_eventCallbacks) {
(*pc)();
got_event = true;
}
}
/*if (ret == WAIT_OBJECT_0) {
got_event = true;
Win32TCPConnection[] to_remove;
foreach( fw; m_fileWriters.byKey )
if( fw.testFileWritten() )
to_remove ~= fw;
foreach( fw; to_remove )
m_fileWriters.remove(fw);
}*/
MSG msg;
//uint cnt = 0;
while (() @trusted { return PeekMessageW(&msg, null, 0, 0, PM_REMOVE); } ()) {