def register(self, fileobj, events, data=None):
key = super(KqueueSelector, self).register(fileobj, events, data)
if events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
if events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
return key
python类KQ_FILTER_WRITE的实例源码
def unregister(self, fileobj):
key = super(KqueueSelector, self).unregister(fileobj)
if key.events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
if key.events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
return key
def register(self, fileobj, events, data=None):
key = super(KqueueSelector, self).register(fileobj, events, data)
if events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
if events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
return key
def unregister(self, fileobj):
key = super(KqueueSelector, self).unregister(fileobj)
if key.events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
if key.events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
return key
def unregister(self, fileobj):
key = super(KqueueSelector, self).unregister(fileobj)
if key.events & EVENT_READ:
kev = select.kevent(key.fd, select.KQ_FILTER_READ,
select.KQ_EV_DELETE)
try:
self._kqueue.control([kev], 0, 0)
except OSError:
# This can happen if the FD was closed since it
# was registered.
pass
if key.events & EVENT_WRITE:
kev = select.kevent(key.fd, select.KQ_FILTER_WRITE,
select.KQ_EV_DELETE)
try:
self._kqueue.control([kev], 0, 0)
except OSError:
# See comment above.
pass
return key
def select(self, timeout=None):
timeout = None if timeout is None else max(timeout, 0)
max_ev = len(self._fd_to_key)
ready = []
try:
kev_list = wrap_error(self._kqueue.control,
None, max_ev, timeout)
except InterruptedError:
return ready
for kev in kev_list:
fd = kev.ident
flag = kev.filter
events = 0
if flag == select.KQ_FILTER_READ:
events |= EVENT_READ
if flag == select.KQ_FILTER_WRITE:
events |= EVENT_WRITE
key = self._key_from_fd(fd)
if key:
ready.append((key, events & key.events))
return ready
def register(self, fileobj, events, data=None):
key = super(KqueueSelector, self).register(fileobj, events, data)
if events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_ADD)
_syscall_wrapper(self._wrap_control, False, [kevent], 0, 0)
if events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_ADD)
_syscall_wrapper(self._wrap_control, False, [kevent], 0, 0)
return key
def unregister(self, fileobj):
key = super(KqueueSelector, self).unregister(fileobj)
if key.events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._wrap_control, False, [kevent], 0, 0)
except _ERROR_TYPES:
pass
if key.events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._wrap_control, False, [kevent], 0, 0)
except _ERROR_TYPES:
pass
return key
def register(self, fileobj, events, data=None):
key = super(KqueueSelector, self).register(fileobj, events, data)
if events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
if events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
return key
def unregister(self, fileobj):
key = super(KqueueSelector, self).unregister(fileobj)
if key.events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
if key.events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
return key
def register(self, fileobj, events, data=None):
key = super(KqueueSelector, self).register(fileobj, events, data)
if events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
if events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
return key
def unregister(self, fileobj):
key = super(KqueueSelector, self).unregister(fileobj)
if key.events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
if key.events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
return key
def register(self, fileobj, events, data=None):
key = super(KqueueSelector, self).register(fileobj, events, data)
if events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
if events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
return key
def unregister(self, fileobj):
key = super(KqueueSelector, self).unregister(fileobj)
if key.events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
if key.events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
return key
def register(self, fileobj, events, data=None):
key = super(KqueueSelector, self).register(fileobj, events, data)
if events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
if events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
return key
def unregister(self, fileobj):
key = super(KqueueSelector, self).unregister(fileobj)
if key.events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
if key.events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
return key
def register(self, fileobj, events, data=None):
key = super(KqueueSelector, self).register(fileobj, events, data)
if events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
if events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
return key
def unregister(self, fileobj):
key = super(KqueueSelector, self).unregister(fileobj)
if key.events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
if key.events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
return key
def register(self, fileobj, events, data=None):
key = super(KqueueSelector, self).register(fileobj, events, data)
if events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
if events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_ADD)
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
return key
def unregister(self, fileobj):
key = super(KqueueSelector, self).unregister(fileobj)
if key.events & EVENT_READ:
kevent = select.kevent(key.fd,
select.KQ_FILTER_READ,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
if key.events & EVENT_WRITE:
kevent = select.kevent(key.fd,
select.KQ_FILTER_WRITE,
select.KQ_EV_DELETE)
try:
_syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0)
except SelectorError:
pass
return key
