return false;
struct kevent ke;
- EV_SET(&ke, fd, eh->Readable() ? EVFILT_READ : EVFILT_WRITE, EV_DELETE, 0, 0, NULL);
+ EV_SET(&ke, eh->GetFd(), EVFILT_READ, EV_DELETE, 0, 0, NULL);
int i = kevent(EngineHandle, &ke, 1, 0, 0, NULL);
- if (i == -1)
- {
- ServerInstance->Log(DEBUG,"kqueue: Failed to remove socket from queue: %s",strerror(errno));
+
+ EV_SET(&ke, eh->GetFd(), EVFILT_WRITE, EV_DELETE, 0, 0, NULL);
+
+ int j = kevent(EngineHandle, &ke, 1, 0, 0, NULL);
+
+ if ((j < 0) && (i < 0))
return false;
- }
CurrentSetSize--;
ref[fd] = NULL;
void KQueueEngine::WantWrite(EventHandler* eh)
{
+ /** When changing an item in a kqueue, there is no 'modify' call
+ * as in epoll. Instead, we add the item again, and this overwrites
+ * the original setting rather than adding it twice. See man kqueue.
+ */
struct kevent ke;
EV_SET(&ke, eh->GetFd(), EVFILT_WRITE, EV_ADD | EV_ONESHOT, 0, 0, NULL);
int i = kevent(EngineHandle, &ke, 1, 0, 0, NULL);
{
ServerInstance->Log(DEBUG,"kqueue: Unable to set fd %d for wanting write", eh->GetFd());
}
- else
- {
- ServerInstance->Log(DEBUG,"kqueue: Set fd %d for want write", eh->GetFd());
- }
}
int KQueueEngine::GetMaxFds()
for (int j = 0; j < i; j++)
{
ServerInstance->Log(DEBUG,"Handle %s event on fd %d",ke_list[j].flags & EVFILT_WRITE ? "write" : "read", ke_list[j].ident);
+ if (ke_list[j].flags & EV_EOF)
+ {
+ ServerInstance->Log(DEBUG,"kqueue: Error on FD %d", ke_list[j].ident);
+ /* We love you kqueue, oh yes we do *sings*!
+ * kqueue gives us the error number directly in the EOF state!
+ * Unlike smelly epoll and select, where we have to getsockopt
+ * to get the error, this saves us time and cpu cycles. Go BSD!
+ */
+ ref[ke_list[j].ident]->HandleEvent(EVENT_ERROR, ke_list[j].fflags);
+ continue;
+ }
if (ke_list[j].flags & EVFILT_WRITE)
{
- ServerInstance->Log(DEBUG,"kqueue: Write socket wants to be set back to read");
+ /* This looks wrong but its right. As above, theres no modify
+ * call in kqueue. See the manpage.
+ */
struct kevent ke;
EV_SET(&ke, ke_list[j].ident, EVFILT_READ, EV_ADD, 0, 0, NULL);
int i = kevent(EngineHandle, &ke, 1, 0, 0, NULL);
{
ServerInstance->Log(DEBUG,"kqueue: Unable to set fd %d back to just wanting to read!", ke_list[j].ident);
}
- ref[ke_list[j].ident]->HandleEvent(EVENT_WRITE);
+ if (ref[ke_list[j].ident])
+ ref[ke_list[j].ident]->HandleEvent(EVENT_WRITE);
}
else
{
- ref[ke_list[j].ident]->HandleEvent(EVENT_READ);
+ if (ref[ke_list[j].ident])
+ ref[ke_list[j].ident]->HandleEvent(EVENT_READ);
}
}