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Make the Posix driver initialization nogc.

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This commit is contained in:
Sönke Ludwig 2018-10-21 20:16:26 +02:00
parent a4eaafce9a
commit e7e4a0f5f5
9 changed files with 128 additions and 85 deletions
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33
source/eventcore/drivers/posix/kqueue.d
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@ -34,14 +34,14 @@ alias KqueueEventDriver = PosixEventDriver!KqueueEventLoop;
final class KqueueEventLoop : PosixEventLoop {
private {
int m_queue;
kevent_t[] m_changes;
kevent_t[] m_events;
size_t m_changeCount = 0;
kevent_t[100] m_changes;
kevent_t[100] m_events;
}
this()
@safe nothrow {
@safe nothrow @nogc {
m_queue = () @trusted { return kqueue(); } ();
m_events.length = 100;
assert(m_queue >= 0, "Failed to create kqueue.");
}
@ -57,9 +57,8 @@ final class KqueueEventLoop : PosixEventLoop {
ts.tv_sec = cast(time_t)secs;
ts.tv_nsec = cast(uint)hnsecs * 100;
auto ret = kevent(m_queue, m_changes.ptr, cast(int)m_changes.length, m_events.ptr, cast(int)m_events.length, timeout == Duration.max ? null : &ts);
m_changes.length = 0;
m_changes.assumeSafeAppend();
auto ret = kevent(m_queue, m_changes.ptr, cast(int)m_changeCount, m_events.ptr, cast(int)m_events.length, timeout == Duration.max ? null : &ts);
m_changeCount = 0;
//print("kevent returned %s", ret);
@ -97,11 +96,11 @@ final class KqueueEventLoop : PosixEventLoop {
if (edge_triggered) ev.flags |= EV_CLEAR;
if (mask & EventMask.read) {
ev.filter = EVFILT_READ;
m_changes ~= ev;
putChange(ev);
}
if (mask & EventMask.write) {
ev.filter = EVFILT_WRITE;
m_changes ~= ev;
putChange(ev);
}
//if (mask & EventMask.status) ev.events |= EPOLLERR|EPOLLRDHUP;
}
@ -111,7 +110,7 @@ final class KqueueEventLoop : PosixEventLoop {
kevent_t ev;
ev.ident = fd;
ev.flags = EV_DELETE;
m_changes ~= ev;
putChange(ev);
}
override void updateFD(FD fd, EventMask old_mask, EventMask new_mask, bool edge_triggered = true)
@ -124,16 +123,26 @@ final class KqueueEventLoop : PosixEventLoop {
ev.filter = EVFILT_READ;
ev.flags = new_mask & EventMask.read ? EV_ADD : EV_DELETE;
if (edge_triggered) ev.flags |= EV_CLEAR;
m_changes ~= ev;
putChange(ev);
}
if (changes & EventMask.write) {
ev.filter = EVFILT_WRITE;
ev.flags = new_mask & EventMask.write ? EV_ADD : EV_DELETE;
if (edge_triggered) ev.flags |= EV_CLEAR;
m_changes ~= ev;
putChange(ev);
}
//if (mask & EventMask.status) ev.events |= EPOLLERR|EPOLLRDHUP;
}
private void putChange(ref kevent_t ev)
@safe nothrow @nogc {
m_changes[m_changeCount++] = ev;
if (m_changeCount == m_changes.length) {
auto ret = (() @trusted => kevent(m_queue, &m_changes[0], cast(int)m_changes.length, null, 0, null)) ();
assert(ret == 0);
m_changeCount = 0;
}
}
}