public unsafe bool TryRegister(int fileDescriptor, SocketAsyncEvents current, SocketAsyncEvents events, GCHandle handle, out Interop.Error error)
{
Debug.Assert(current != events);
int op = Interop.libc.EPOLL_CTL_MOD;
if (current == SocketAsyncEvents.None)
{
// This context was not listening for events, add it
op = Interop.libc.EPOLL_CTL_ADD;
}
else if (events == SocketAsyncEvents.None)
{
// This context will no longer be listening for events, remove it
op = Interop.libc.EPOLL_CTL_DEL;
}
// Register events
var evt = new Interop.libc.epoll_event {
events = GetEPollEvents(events) | Interop.libc.EPOLLET, data = (IntPtr)handle
};
int err = Interop.libc.epoll_ctl(_epollFd, op, fileDescriptor, &evt);
if (err == 0)
{
error = Interop.Error.SUCCESS;
return(true);
}
error = Interop.Sys.GetLastError();
return(false);
}
public unsafe bool TryRegister(int fileDescriptor, SocketAsyncEvents current, SocketAsyncEvents events, GCHandle handle, out Interop.Error error)
{
Debug.Assert(current != events);
int op = Interop.libc.EPOLL_CTL_MOD;
if (current == SocketAsyncEvents.None)
{
// This context was not listening for events, add it
op = Interop.libc.EPOLL_CTL_ADD;
}
else if (events == SocketAsyncEvents.None)
{
// This context will no longer be listening for events, remove it
op = Interop.libc.EPOLL_CTL_DEL;
}
// Register events
var evt = new Interop.libc.epoll_event { events = GetEPollEvents(events) | Interop.libc.EPOLLET, data = (IntPtr)handle };
int err = Interop.libc.epoll_ctl(_epollFd, op, fileDescriptor, &evt);
if (err == 0)
{
error = Interop.Error.SUCCESS;
return true;
}
error = Interop.Sys.GetLastError();
return false;
}
