debian-packages/eventcore
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Create the event object in ThreadedFileEventDriver lazily.

Browse source 
Avoids creating event objects for every worker thread, even if never used.
This commit is contained in:
Sönke Ludwig 2018-03-14 21:39:18 +01:00
parent 0044946413
commit 4192d31716
1 changed files with 27 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
source/eventcore/drivers/threadedfile.d
View file

@ -108,7 +108,7 @@ final class ThreadedFileEventDriver(Events : EventDriverEvents) : EventDriverFil
ChoppedVector!FileInfo m_files;
SmallIntegerSet!FileFD m_activeReads;
SmallIntegerSet!FileFD m_activeWrites;
EventID m_readyEvent;
EventID m_readyEvent = EventID.invalid;
bool m_waiting;
Events m_events;
}
@ -118,19 +118,24 @@ final class ThreadedFileEventDriver(Events : EventDriverEvents) : EventDriverFil
this(Events events)
{
m_events = events;
m_readyEvent = events.create();
}
void dispose()
{
if (m_fileThreadPool)
if (m_fileThreadPool) {
StaticTaskPool.releaseRef();
m_fileThreadPool = null;
}
if (m_readyEvent != EventID.invalid) {
log("finishing file events");
m_events.cancelWait(m_readyEvent, &onReady);
onReady(m_readyEvent);
m_events.releaseRef(m_readyEvent);
m_readyEvent = EventID.invalid;
log("finished file events");
}
}
final override FileFD open(string path, FileOpenMode mode)
{
@ -191,8 +196,7 @@ final class ThreadedFileEventDriver(Events : EventDriverEvents) : EventDriverFil
assert(f.callback is null, "Concurrent file writes are not allowed.");
f.callback = on_write_finish;
m_activeWrites.insert(file);
if (m_fileThreadPool is null)
m_fileThreadPool = StaticTaskPool.addRef();
threadSetup();
log("start write task");
try {
m_fileThreadPool.put(task!(taskFun!("write", const(ubyte)))(this, file, offset, buffer));
@ -223,8 +227,7 @@ final class ThreadedFileEventDriver(Events : EventDriverEvents) : EventDriverFil
assert(f.callback is null, "Concurrent file reads are not allowed.");
f.callback = on_read_finish;
m_activeReads.insert(file);
if (m_fileThreadPool is null)
m_fileThreadPool = StaticTaskPool.addRef();
threadSetup();
log("start read task");
try {
m_fileThreadPool.put(task!(taskFun!("read", ubyte))(this, file, offset, buffer));
@ -330,6 +333,18 @@ log("ready event");
m_waiting = true;
}
}
private void threadSetup()
{
if (m_readyEvent == EventID.invalid) {
log("create file event");
m_readyEvent = m_events.create();
}
if (m_fileThreadPool is null) {
log("aquire thread pool");
m_fileThreadPool = StaticTaskPool.addRef();
}
}
}
private auto safeAtomicLoad(T)(ref shared(T) v) @trusted { return atomicLoad(v); }