def register(self, fd, eventmask=EPOLLIN | EPOLLPRI | EPOLLOUT, retval=None):
"retval is extension to stdlib, value to use in results from .poll()."
if retval is None:
retval = fd
s = struct.pack(epoll_event, eventmask, retval)
r = epoll_ctl(self.epfd, EPOLL_CTL_ADD, fd, s)
if r == -1 and os.errno_() == errno.EEXIST:
r = epoll_ctl(self.epfd, EPOLL_CTL_MOD, fd, s)
os.check_error(r)
# We must keep reference to retval, or it may be GCed. And we must
# keep mapping from fd to retval to be able to get rid of this retval
# reference later.
self.registry[fd] = retval
def register(self,
fd,
eventmask=EPOLLIN | EPOLLPRI | EPOLLOUT,
retval=None):
"retval is extension to stdlib, value to use in results from .poll()."
if retval is None:
retval = fd
s = struct.pack(epoll_event, eventmask, retval)
r = epoll_ctl(self.epfd, EPOLL_CTL_ADD, fd, s)
if r == -1 and os.errno_() == errno.EEXIST:
r = epoll_ctl(self.epfd, EPOLL_CTL_MOD, fd, s)
os.check_error(r)
# We must keep reference to retval, or it may be GCed. And we must
# keep mapping from fd to retval to be able to get rid of this retval
# reference later.
self.registry[fd] = retval