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authorJames Taylor <user234683@users.noreply.github.com>2018-09-14 19:32:27 -0700
committerJames Taylor <user234683@users.noreply.github.com>2018-09-14 19:32:27 -0700
commit4212164e91ba2f49583cf44ad623a29b36db8f77 (patch)
tree47aefe3c0162f03e0c823b43873356f69c1cd636 /python/gevent/libev/corecext.ppyx
parent6ca20ff7010f2bafc7fefcb8cad982be27a8aeae (diff)
downloadyt-local-4212164e91ba2f49583cf44ad623a29b36db8f77.tar.lz
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Windows: Use 32-bit distribution of python
Diffstat (limited to 'python/gevent/libev/corecext.ppyx')
-rw-r--r--python/gevent/libev/corecext.ppyx1134
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diff --git a/python/gevent/libev/corecext.ppyx b/python/gevent/libev/corecext.ppyx
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@@ -1,1134 +0,0 @@
-# Copyright (c) 2009-2012 Denis Bilenko. See LICENSE for details.
-# This directive, supported in Cython 0.24+, causes sources files to be
-# much smaller and thus cythonpp.py to be slightly faster. But it does make
-# debugging more difficult.
-# cython: emit_code_comments=False
-cimport cython
-cimport libev
-# Note this is not the standard cython 'cpython' (which has a backwards compat alias of 'python')
-# it's our custom def. If it's not on the include path, we get warned.
-from python cimport *
-
-# Work around lack of absolute_import in Cython
-# Note for PY3: not doing so will leave reference to locals() on import
-# (reproducible under Python 3.3, not under Python 3.4; see test__refcount_core.py)
-sys = __import__('sys', level=0)
-os = __import__('os', level=0)
-traceback = __import__('traceback', level=0)
-signalmodule = __import__('signal', level=0)
-
-
-__all__ = ['get_version',
- 'get_header_version',
- 'supported_backends',
- 'recommended_backends',
- 'embeddable_backends',
- 'time',
- 'loop']
-
-cdef tuple integer_types
-
-if sys.version_info[0] >= 3:
- integer_types = int,
-else:
- integer_types = (int, long)
-
-
-cdef extern from "callbacks.h":
- void gevent_callback_io(libev.ev_loop, void*, int)
- void gevent_callback_timer(libev.ev_loop, void*, int)
- void gevent_callback_signal(libev.ev_loop, void*, int)
- void gevent_callback_idle(libev.ev_loop, void*, int)
- void gevent_callback_prepare(libev.ev_loop, void*, int)
- void gevent_callback_check(libev.ev_loop, void*, int)
- void gevent_callback_fork(libev.ev_loop, void*, int)
- void gevent_callback_async(libev.ev_loop, void*, int)
- void gevent_callback_child(libev.ev_loop, void*, int)
- void gevent_callback_stat(libev.ev_loop, void*, int)
- void gevent_run_callbacks(libev.ev_loop, void*, int)
- void gevent_periodic_signal_check(libev.ev_loop, void*, int)
- void gevent_call(loop, callback)
- void gevent_noop(libev.ev_loop, void*, int)
-
-cdef extern from *:
- int errno
-
-cdef extern from "stathelper.c":
- object _pystat_fromstructstat(void*)
-
-
-UNDEF = libev.EV_UNDEF
-NONE = libev.EV_NONE
-READ = libev.EV_READ
-WRITE = libev.EV_WRITE
-TIMER = libev.EV_TIMER
-PERIODIC = libev.EV_PERIODIC
-SIGNAL = libev.EV_SIGNAL
-CHILD = libev.EV_CHILD
-STAT = libev.EV_STAT
-IDLE = libev.EV_IDLE
-PREPARE = libev.EV_PREPARE
-CHECK = libev.EV_CHECK
-EMBED = libev.EV_EMBED
-FORK = libev.EV_FORK
-CLEANUP = libev.EV_CLEANUP
-ASYNC = libev.EV_ASYNC
-CUSTOM = libev.EV_CUSTOM
-ERROR = libev.EV_ERROR
-
-READWRITE = libev.EV_READ | libev.EV_WRITE
-
-MINPRI = libev.EV_MINPRI
-MAXPRI = libev.EV_MAXPRI
-
-BACKEND_PORT = libev.EVBACKEND_PORT
-BACKEND_KQUEUE = libev.EVBACKEND_KQUEUE
-BACKEND_EPOLL = libev.EVBACKEND_EPOLL
-BACKEND_POLL = libev.EVBACKEND_POLL
-BACKEND_SELECT = libev.EVBACKEND_SELECT
-FORKCHECK = libev.EVFLAG_FORKCHECK
-NOINOTIFY = libev.EVFLAG_NOINOTIFY
-SIGNALFD = libev.EVFLAG_SIGNALFD
-NOSIGMASK = libev.EVFLAG_NOSIGMASK
-
-
-@cython.internal
-cdef class _EVENTSType:
-
- def __repr__(self):
- return 'gevent.core.EVENTS'
-
-
-cdef public object GEVENT_CORE_EVENTS = _EVENTSType()
-EVENTS = GEVENT_CORE_EVENTS
-
-
-def get_version():
- return 'libev-%d.%02d' % (libev.ev_version_major(), libev.ev_version_minor())
-
-
-def get_header_version():
- return 'libev-%d.%02d' % (libev.EV_VERSION_MAJOR, libev.EV_VERSION_MINOR)
-
-
-# This list backends in the order they are actually tried by libev
-_flags = [(libev.EVBACKEND_PORT, 'port'),
- (libev.EVBACKEND_KQUEUE, 'kqueue'),
- (libev.EVBACKEND_EPOLL, 'epoll'),
- (libev.EVBACKEND_POLL, 'poll'),
- (libev.EVBACKEND_SELECT, 'select'),
- (libev.EVFLAG_NOENV, 'noenv'),
- (libev.EVFLAG_FORKCHECK, 'forkcheck'),
- (libev.EVFLAG_NOINOTIFY, 'noinotify'),
- (libev.EVFLAG_SIGNALFD, 'signalfd'),
- (libev.EVFLAG_NOSIGMASK, 'nosigmask')]
-
-
-_flags_str2int = dict((string, flag) for (flag, string) in _flags)
-
-
-_events = [(libev.EV_READ, 'READ'),
- (libev.EV_WRITE, 'WRITE'),
- (libev.EV__IOFDSET, '_IOFDSET'),
- (libev.EV_PERIODIC, 'PERIODIC'),
- (libev.EV_SIGNAL, 'SIGNAL'),
- (libev.EV_CHILD, 'CHILD'),
- (libev.EV_STAT, 'STAT'),
- (libev.EV_IDLE, 'IDLE'),
- (libev.EV_PREPARE, 'PREPARE'),
- (libev.EV_CHECK, 'CHECK'),
- (libev.EV_EMBED, 'EMBED'),
- (libev.EV_FORK, 'FORK'),
- (libev.EV_CLEANUP, 'CLEANUP'),
- (libev.EV_ASYNC, 'ASYNC'),
- (libev.EV_CUSTOM, 'CUSTOM'),
- (libev.EV_ERROR, 'ERROR')]
-
-
-cpdef _flags_to_list(unsigned int flags):
- cdef list result = []
- for code, value in _flags:
- if flags & code:
- result.append(value)
- flags &= ~code
- if not flags:
- break
- if flags:
- result.append(flags)
- return result
-
-
-if sys.version_info[0] >= 3:
- basestring = (bytes, str)
-else:
- basestring = __builtins__.basestring
-
-
-cpdef unsigned int _flags_to_int(object flags) except? -1:
- # Note, that order does not matter, libev has its own predefined order
- if not flags:
- return 0
- if isinstance(flags, integer_types):
- return flags
- cdef unsigned int result = 0
- try:
- if isinstance(flags, basestring):
- flags = flags.split(',')
- for value in flags:
- value = value.strip().lower()
- if value:
- result |= _flags_str2int[value]
- except KeyError as ex:
- raise ValueError('Invalid backend or flag: %s\nPossible values: %s' % (ex, ', '.join(sorted(_flags_str2int.keys()))))
- return result
-
-
-cdef str _str_hex(object flag):
- if isinstance(flag, integer_types):
- return hex(flag)
- return str(flag)
-
-
-cpdef _check_flags(unsigned int flags):
- cdef list as_list
- flags &= libev.EVBACKEND_MASK
- if not flags:
- return
- if not (flags & libev.EVBACKEND_ALL):
- raise ValueError('Invalid value for backend: 0x%x' % flags)
- if not (flags & libev.ev_supported_backends()):
- as_list = [_str_hex(x) for x in _flags_to_list(flags)]
- raise ValueError('Unsupported backend: %s' % '|'.join(as_list))
-
-
-cpdef _events_to_str(int events):
- cdef list result = []
- cdef int c_flag
- for (flag, string) in _events:
- c_flag = flag
- if events & c_flag:
- result.append(string)
- events = events & (~c_flag)
- if not events:
- break
- if events:
- result.append(hex(events))
- return '|'.join(result)
-
-
-def supported_backends():
- return _flags_to_list(libev.ev_supported_backends())
-
-
-def recommended_backends():
- return _flags_to_list(libev.ev_recommended_backends())
-
-
-def embeddable_backends():
- return _flags_to_list(libev.ev_embeddable_backends())
-
-
-def time():
- return libev.ev_time()
-
-
-#define LOOP_PROPERTY(NAME) property NAME: \
- \
- def __get__(self): \
- CHECK_LOOP3(self) \
- return self._ptr.NAME
-
-
-cdef bint _default_loop_destroyed = False
-
-
-#define CHECK_LOOP2(LOOP) \
- if not LOOP._ptr: \
- raise ValueError('operation on destroyed loop')
-
-
-#define CHECK_LOOP3(LOOP) \
- if not LOOP._ptr: \
- raise ValueError('operation on destroyed loop')
-
-
-
-cdef public class loop [object PyGeventLoopObject, type PyGeventLoop_Type]:
- cdef libev.ev_loop* _ptr
- cdef public object error_handler
- cdef libev.ev_prepare _prepare
- cdef public list _callbacks
- cdef libev.ev_timer _timer0
-#ifdef _WIN32
- cdef libev.ev_timer _periodic_signal_checker
-#endif
-
- def __init__(self, object flags=None, object default=None, size_t ptr=0):
- cdef unsigned int c_flags
- cdef object old_handler = None
- libev.ev_prepare_init(&self._prepare, <void*>gevent_run_callbacks)
-#ifdef _WIN32
- libev.ev_timer_init(&self._periodic_signal_checker, <void*>gevent_periodic_signal_check, 0.3, 0.3)
-#endif
- libev.ev_timer_init(&self._timer0, <void*>gevent_noop, 0.0, 0.0)
- if ptr:
- self._ptr = <libev.ev_loop*>ptr
- else:
- c_flags = _flags_to_int(flags)
- _check_flags(c_flags)
- c_flags |= libev.EVFLAG_NOENV
- c_flags |= libev.EVFLAG_FORKCHECK
- if default is None:
- default = True
- if _default_loop_destroyed:
- default = False
- if default:
- self._ptr = libev.gevent_ev_default_loop(c_flags)
- if not self._ptr:
- raise SystemError("ev_default_loop(%s) failed" % (c_flags, ))
-#ifdef _WIN32
- libev.ev_timer_start(self._ptr, &self._periodic_signal_checker)
- libev.ev_unref(self._ptr)
-#endif
- else:
- self._ptr = libev.ev_loop_new(c_flags)
- if not self._ptr:
- raise SystemError("ev_loop_new(%s) failed" % (c_flags, ))
- if default or __SYSERR_CALLBACK is None:
- set_syserr_cb(self._handle_syserr)
- libev.ev_prepare_start(self._ptr, &self._prepare)
- libev.ev_unref(self._ptr)
- self._callbacks = []
-
- cdef _run_callbacks(self):
- cdef callback cb
- cdef object callbacks
- cdef int count = 1000
- libev.ev_timer_stop(self._ptr, &self._timer0)
- while self._callbacks and count > 0:
- callbacks = self._callbacks
- self._callbacks = []
- for cb in callbacks:
- libev.ev_unref(self._ptr)
- gevent_call(self, cb)
- count -= 1
- if self._callbacks:
- libev.ev_timer_start(self._ptr, &self._timer0)
-
- def _stop_watchers(self):
- if libev.ev_is_active(&self._prepare):
- libev.ev_ref(self._ptr)
- libev.ev_prepare_stop(self._ptr, &self._prepare)
-#ifdef _WIN32
- if libev.ev_is_active(&self._periodic_signal_checker):
- libev.ev_ref(self._ptr)
- libev.ev_timer_stop(self._ptr, &self._periodic_signal_checker)
-#endif
-
- def destroy(self):
- global _default_loop_destroyed
- if self._ptr:
- self._stop_watchers()
- if __SYSERR_CALLBACK == self._handle_syserr:
- set_syserr_cb(None)
- if libev.ev_is_default_loop(self._ptr):
- _default_loop_destroyed = True
- libev.ev_loop_destroy(self._ptr)
- self._ptr = NULL
-
- def __dealloc__(self):
- if self._ptr:
- self._stop_watchers()
- if not libev.ev_is_default_loop(self._ptr):
- libev.ev_loop_destroy(self._ptr)
- self._ptr = NULL
-
- property ptr:
-
- def __get__(self):
- return <size_t>self._ptr
-
- property WatcherType:
-
- def __get__(self):
- return watcher
-
- property MAXPRI:
-
- def __get__(self):
- return libev.EV_MAXPRI
-
- property MINPRI:
-
- def __get__(self):
- return libev.EV_MINPRI
-
- def _handle_syserr(self, message, errno):
- if sys.version_info[0] >= 3:
- message = message.decode()
- self.handle_error(None, SystemError, SystemError(message + ': ' + os.strerror(errno)), None)
-
- cpdef handle_error(self, context, type, value, tb):
- cdef object handle_error
- cdef object error_handler = self.error_handler
- if error_handler is not None:
- # we do want to do getattr every time so that setting Hub.handle_error property just works
- handle_error = getattr(error_handler, 'handle_error', error_handler)
- handle_error(context, type, value, tb)
- else:
- self._default_handle_error(context, type, value, tb)
-
- cpdef _default_handle_error(self, context, type, value, tb):
- # note: Hub sets its own error handler so this is not used by gevent
- # this is here to make core.loop usable without the rest of gevent
- traceback.print_exception(type, value, tb)
- if self._ptr:
- libev.ev_break(self._ptr, libev.EVBREAK_ONE)
-
- def run(self, nowait=False, once=False):
- CHECK_LOOP2(self)
- cdef unsigned int flags = 0
- if nowait:
- flags |= libev.EVRUN_NOWAIT
- if once:
- flags |= libev.EVRUN_ONCE
- with nogil:
- libev.ev_run(self._ptr, flags)
-
- def reinit(self):
- if self._ptr:
- libev.ev_loop_fork(self._ptr)
-
- def ref(self):
- CHECK_LOOP2(self)
- libev.ev_ref(self._ptr)
-
- def unref(self):
- CHECK_LOOP2(self)
- libev.ev_unref(self._ptr)
-
- def break_(self, int how=libev.EVBREAK_ONE):
- CHECK_LOOP2(self)
- libev.ev_break(self._ptr, how)
-
- def verify(self):
- CHECK_LOOP2(self)
- libev.ev_verify(self._ptr)
-
- def now(self):
- CHECK_LOOP2(self)
- return libev.ev_now(self._ptr)
-
- def update(self):
- CHECK_LOOP2(self)
- libev.ev_now_update(self._ptr)
-
- def __repr__(self):
- return '<%s at 0x%x %s>' % (self.__class__.__name__, id(self), self._format())
-
- property default:
-
- def __get__(self):
- CHECK_LOOP3(self)
- return True if libev.ev_is_default_loop(self._ptr) else False
-
- property iteration:
-
- def __get__(self):
- CHECK_LOOP3(self)
- return libev.ev_iteration(self._ptr)
-
- property depth:
-
- def __get__(self):
- CHECK_LOOP3(self)
- return libev.ev_depth(self._ptr)
-
- property backend_int:
-
- def __get__(self):
- CHECK_LOOP3(self)
- return libev.ev_backend(self._ptr)
-
- property backend:
-
- def __get__(self):
- CHECK_LOOP3(self)
- cdef unsigned int backend = libev.ev_backend(self._ptr)
- for key, value in _flags:
- if key == backend:
- return value
- return backend
-
- property pendingcnt:
-
- def __get__(self):
- CHECK_LOOP3(self)
- return libev.ev_pending_count(self._ptr)
-
-#ifdef _WIN32
- def io(self, libev.vfd_socket_t fd, int events, ref=True, priority=None):
- return io(self, fd, events, ref, priority)
-#else
- def io(self, int fd, int events, ref=True, priority=None):
- return io(self, fd, events, ref, priority)
-#endif
-
- def timer(self, double after, double repeat=0.0, ref=True, priority=None):
- return timer(self, after, repeat, ref, priority)
-
- def signal(self, int signum, ref=True, priority=None):
- return signal(self, signum, ref, priority)
-
- def idle(self, ref=True, priority=None):
- return idle(self, ref, priority)
-
- def prepare(self, ref=True, priority=None):
- return prepare(self, ref, priority)
-
- def check(self, ref=True, priority=None):
- return check(self, ref, priority)
-
- def fork(self, ref=True, priority=None):
- return fork(self, ref, priority)
-
- def async(self, ref=True, priority=None):
- return async(self, ref, priority)
-
-#ifdef _WIN32
-#else
-
- def child(self, int pid, bint trace=0, ref=True):
- return child(self, pid, trace, ref)
-
- def install_sigchld(self):
- libev.gevent_install_sigchld_handler()
-
- def reset_sigchld(self):
- libev.gevent_reset_sigchld_handler()
-
-#endif
-
- def stat(self, str path, float interval=0.0, ref=True, priority=None):
- return stat(self, path, interval, ref, priority)
-
- def run_callback(self, func, *args):
- CHECK_LOOP2(self)
- cdef callback cb = callback(func, args)
- self._callbacks.append(cb)
- libev.ev_ref(self._ptr)
- return cb
-
- def _format(self):
- if not self._ptr:
- return 'destroyed'
- cdef object msg = self.backend
- if self.default:
- msg += ' default'
- msg += ' pending=%s' % self.pendingcnt
-#ifdef LIBEV_EMBED
- msg += self._format_details()
-#endif
- return msg
-
-#ifdef LIBEV_EMBED
-
- def _format_details(self):
- cdef str msg = ''
- cdef object fileno = self.fileno()
- cdef object sigfd = None
- cdef object activecnt = None
- try:
- sigfd = self.sigfd
- except AttributeError:
- sigfd = None
- try:
- activecnt = self.activecnt
- except AttributeError:
- pass
- if activecnt is not None:
- msg += ' ref=' + repr(activecnt)
- if fileno is not None:
- msg += ' fileno=' + repr(fileno)
- if sigfd is not None and sigfd != -1:
- msg += ' sigfd=' + repr(sigfd)
- return msg
-
- def fileno(self):
- cdef int fd
- if self._ptr:
- fd = self._ptr.backend_fd
- if fd >= 0:
- return fd
-
- LOOP_PROPERTY(activecnt)
-
- LOOP_PROPERTY(sig_pending)
-
-#if EV_USE_SIGNALFD
- LOOP_PROPERTY(sigfd)
-#endif
-
- property origflags:
-
- def __get__(self):
- CHECK_LOOP3(self)
- return _flags_to_list(self._ptr.origflags)
-
- property origflags_int:
-
- def __get__(self):
- CHECK_LOOP3(self)
- return self._ptr.origflags
-
-#endif
-
-
-cdef public class callback [object PyGeventCallbackObject, type PyGeventCallback_Type]:
- cdef public object callback
- cdef public tuple args
-
- def __init__(self, callback, args):
- self.callback = callback
- self.args = args
-
- def stop(self):
- self.callback = None
- self.args = None
-
- # Note, that __nonzero__ and pending are different
- # nonzero is used in contexts where we need to know whether to schedule another callback,
- # so it's true if it's pending or currently running
- # 'pending' has the same meaning as libev watchers: it is cleared before entering callback
-
- def __nonzero__(self):
- # it's nonzero if it's pending or currently executing
- return self.args is not None
-
- property pending:
-
- def __get__(self):
- return self.callback is not None
-
- def __repr__(self):
- if Py_ReprEnter(<PyObjectPtr>self) != 0:
- return "<...>"
- try:
- format = self._format()
- result = "<%s at 0x%x%s" % (self.__class__.__name__, id(self), format)
- if self.pending:
- result += " pending"
- if self.callback is not None:
- result += " callback=%r" % (self.callback, )
- if self.args is not None:
- result += " args=%r" % (self.args, )
- if self.callback is None and self.args is None:
- result += " stopped"
- return result + ">"
- finally:
- Py_ReprLeave(<PyObjectPtr>self)
-
- def _format(self):
- return ''
-
-
-#define PYTHON_INCREF if not self._flags & 1: \
- Py_INCREF(<PyObjectPtr>self) \
- self._flags |= 1
-
-#define LIBEV_UNREF if self._flags & 6 == 4: \
- libev.ev_unref(self.loop._ptr) \
- self._flags |= 2
-
-# about readonly _flags attribute:
-# bit #1 set if object owns Python reference to itself (Py_INCREF was called and we must call Py_DECREF later)
-# bit #2 set if ev_unref() was called and we must call ev_ref() later
-# bit #3 set if user wants to call ev_unref() before start()
-
-#define WATCHER_BASE(TYPE) \
- cdef public loop loop \
- cdef object _callback \
- cdef public tuple args \
- cdef readonly int _flags \
- cdef libev.ev_##TYPE _watcher \
- \
- property ref: \
- \
- def __get__(self): \
- return False if self._flags & 4 else True \
- \
- def __set__(self, object value): \
- CHECK_LOOP3(self.loop) \
- if value: \
- if not self._flags & 4: \
- return # ref is already True \
- if self._flags & 2: # ev_unref was called, undo \
- libev.ev_ref(self.loop._ptr) \
- self._flags &= ~6 # do not want unref, no outstanding unref \
- else: \
- if self._flags & 4: \
- return # ref is already False \
- self._flags |= 4 \
- if not self._flags & 2 and libev.ev_is_active(&self._watcher): \
- libev.ev_unref(self.loop._ptr) \
- self._flags |= 2 \
- \
- property callback: \
- \
- def __get__(self): \
- return self._callback \
- \
- def __set__(self, object callback): \
- if not PyCallable_Check(<PyObjectPtr>callback) and callback is not None: \
- raise TypeError("Expected callable, not %r" % (callback, )) \
- self._callback = callback \
- \
- def stop(self): \
- CHECK_LOOP2(self.loop) \
- if self._flags & 2: \
- libev.ev_ref(self.loop._ptr) \
- self._flags &= ~2 \
- libev.ev_##TYPE##_stop(self.loop._ptr, &self._watcher) \
- self._callback = None \
- self.args = None \
- if self._flags & 1: \
- Py_DECREF(<PyObjectPtr>self) \
- self._flags &= ~1 \
- \
- property priority: \
- \
- def __get__(self): \
- return libev.ev_priority(&self._watcher) \
- \
- def __set__(self, int priority): \
- if libev.ev_is_active(&self._watcher): \
- raise AttributeError("Cannot set priority of an active watcher") \
- libev.ev_set_priority(&self._watcher, priority) \
- \
- def feed(self, int revents, object callback, *args): \
- CHECK_LOOP2(self.loop) \
- self.callback = callback \
- self.args = args \
- LIBEV_UNREF \
- libev.ev_feed_event(self.loop._ptr, &self._watcher, revents) \
- PYTHON_INCREF
-
-#define ACTIVE property active: \
- \
- def __get__(self): \
- return True if libev.ev_is_active(&self._watcher) else False
-
-#define START(TYPE) def start(self, object callback, *args): \
- CHECK_LOOP2(self.loop) \
- if callback is None: \
- raise TypeError('callback must be callable, not None') \
- self.callback = callback \
- self.args = args \
- LIBEV_UNREF \
- libev.ev_##TYPE##_start(self.loop._ptr, &self._watcher) \
- PYTHON_INCREF
-
-
-#define PENDING \
- property pending: \
- \
- def __get__(self): \
- return True if libev.ev_is_pending(&self._watcher) else False
-
-
-
-#define WATCHER(TYPE) WATCHER_BASE(TYPE) \
- \
- START(TYPE) \
- \
- ACTIVE \
- \
- PENDING
-
-
-#define COMMA ,
-
-
-#define INIT(TYPE, ARGS_INITIALIZERS, ARGS) \
- def __init__(self, loop loop ARGS_INITIALIZERS, ref=True, priority=None): \
- libev.ev_##TYPE##_init(&self._watcher, <void *>gevent_callback_##TYPE ARGS) \
- self.loop = loop \
- if ref: \
- self._flags = 0 \
- else: \
- self._flags = 4 \
- if priority is not None: \
- libev.ev_set_priority(&self._watcher, priority)
-
-
-cdef public class watcher [object PyGeventWatcherObject, type PyGeventWatcher_Type]:
- """Abstract base class for all the watchers"""
-
- def __repr__(self):
- if Py_ReprEnter(<PyObjectPtr>self) != 0:
- return "<...>"
- try:
- format = self._format()
- result = "<%s at 0x%x%s" % (self.__class__.__name__, id(self), format)
- if self.active:
- result += " active"
- if self.pending:
- result += " pending"
- if self.callback is not None:
- result += " callback=%r" % (self.callback, )
- if self.args is not None:
- result += " args=%r" % (self.args, )
- return result + ">"
- finally:
- Py_ReprLeave(<PyObjectPtr>self)
-
- def _format(self):
- return ''
-
-
-cdef public class io(watcher) [object PyGeventIOObject, type PyGeventIO_Type]:
-
- WATCHER_BASE(io)
-
- def start(self, object callback, *args, pass_events=False):
- CHECK_LOOP2(self.loop)
- if callback is None:
- raise TypeError('callback must be callable, not None')
- self.callback = callback
- if pass_events:
- self.args = (GEVENT_CORE_EVENTS, ) + args
- else:
- self.args = args
- LIBEV_UNREF
- libev.ev_io_start(self.loop._ptr, &self._watcher)
- PYTHON_INCREF
-
- ACTIVE
-
- PENDING
-
-#ifdef _WIN32
-
- def __init__(self, loop loop, libev.vfd_socket_t fd, int events, ref=True, priority=None):
- if events & ~(libev.EV__IOFDSET | libev.EV_READ | libev.EV_WRITE):
- raise ValueError('illegal event mask: %r' % events)
- cdef int vfd = libev.vfd_open(fd)
- libev.vfd_free(self._watcher.fd)
- libev.ev_io_init(&self._watcher, <void *>gevent_callback_io, vfd, events)
- self.loop = loop
- if ref:
- self._flags = 0
- else:
- self._flags = 4
- if priority is not None:
- libev.ev_set_priority(&self._watcher, priority)
-
-#else
-
- def __init__(self, loop loop, int fd, int events, ref=True, priority=None):
- if fd < 0:
- raise ValueError('fd must be non-negative: %r' % fd)
- if events & ~(libev.EV__IOFDSET | libev.EV_READ | libev.EV_WRITE):
- raise ValueError('illegal event mask: %r' % events)
- libev.ev_io_init(&self._watcher, <void *>gevent_callback_io, fd, events)
- self.loop = loop
- if ref:
- self._flags = 0
- else:
- self._flags = 4
- if priority is not None:
- libev.ev_set_priority(&self._watcher, priority)
-
-#endif
-
- property fd:
-
- def __get__(self):
- return libev.vfd_get(self._watcher.fd)
-
- def __set__(self, long fd):
- if libev.ev_is_active(&self._watcher):
- raise AttributeError("'io' watcher attribute 'fd' is read-only while watcher is active")
- cdef int vfd = libev.vfd_open(fd)
- libev.vfd_free(self._watcher.fd)
- libev.ev_io_init(&self._watcher, <void *>gevent_callback_io, vfd, self._watcher.events)
-
- property events:
-
- def __get__(self):
- return self._watcher.events
-
- def __set__(self, int events):
- if libev.ev_is_active(&self._watcher):
- raise AttributeError("'io' watcher attribute 'events' is read-only while watcher is active")
- libev.ev_io_init(&self._watcher, <void *>gevent_callback_io, self._watcher.fd, events)
-
- property events_str:
-
- def __get__(self):
- return _events_to_str(self._watcher.events)
-
- def _format(self):
- return ' fd=%s events=%s' % (self.fd, self.events_str)
-
-#ifdef _WIN32
-
- def __cinit__(self):
- self._watcher.fd = -1;
-
- def __dealloc__(self):
- libev.vfd_free(self._watcher.fd)
-
-#endif
-
-
-cdef public class timer(watcher) [object PyGeventTimerObject, type PyGeventTimer_Type]:
-
- WATCHER_BASE(timer)
-
- def start(self, object callback, *args, update=True):
- CHECK_LOOP2(self.loop)
- if callback is None:
- raise TypeError('callback must be callable, not None')
- self.callback = callback
- self.args = args
- LIBEV_UNREF
- if update:
- libev.ev_now_update(self.loop._ptr)
- libev.ev_timer_start(self.loop._ptr, &self._watcher)
- PYTHON_INCREF
-
- ACTIVE
-
- PENDING
-
- def __init__(self, loop loop, double after=0.0, double repeat=0.0, ref=True, priority=None):
- if repeat < 0.0:
- raise ValueError("repeat must be positive or zero: %r" % repeat)
- libev.ev_timer_init(&self._watcher, <void *>gevent_callback_timer, after, repeat)
- self.loop = loop
- if ref:
- self._flags = 0
- else:
- self._flags = 4
- if priority is not None:
- libev.ev_set_priority(&self._watcher, priority)
-
- property at:
-
- def __get__(self):
- return self._watcher.at
-
- # QQQ: add 'after' and 'repeat' properties?
-
- def again(self, object callback, *args, update=True):
- CHECK_LOOP2(self.loop)
- self.callback = callback
- self.args = args
- LIBEV_UNREF
- if update:
- libev.ev_now_update(self.loop._ptr)
- libev.ev_timer_again(self.loop._ptr, &self._watcher)
- PYTHON_INCREF
-
-
-cdef public class signal(watcher) [object PyGeventSignalObject, type PyGeventSignal_Type]:
-
- WATCHER(signal)
-
- def __init__(self, loop loop, int signalnum, ref=True, priority=None):
- if signalnum < 1 or signalnum >= signalmodule.NSIG:
- raise ValueError('illegal signal number: %r' % signalnum)
- # still possible to crash on one of libev's asserts:
- # 1) "libev: ev_signal_start called with illegal signal number"
- # EV_NSIG might be different from signal.NSIG on some platforms
- # 2) "libev: a signal must not be attached to two different loops"
- # we probably could check that in LIBEV_EMBED mode, but not in general
- libev.ev_signal_init(&self._watcher, <void *>gevent_callback_signal, signalnum)
- self.loop = loop
- if ref:
- self._flags = 0
- else:
- self._flags = 4
- if priority is not None:
- libev.ev_set_priority(&self._watcher, priority)
-
-
-cdef public class idle(watcher) [object PyGeventIdleObject, type PyGeventIdle_Type]:
-
- WATCHER(idle)
-
- INIT(idle,,)
-
-
-cdef public class prepare(watcher) [object PyGeventPrepareObject, type PyGeventPrepare_Type]:
-
- WATCHER(prepare)
-
- INIT(prepare,,)
-
-
-cdef public class check(watcher) [object PyGeventCheckObject, type PyGeventCheck_Type]:
-
- WATCHER(check)
-
- INIT(check,,)
-
-
-cdef public class fork(watcher) [object PyGeventForkObject, type PyGeventFork_Type]:
-
- WATCHER(fork)
-
- INIT(fork,,)
-
-
-cdef public class async(watcher) [object PyGeventAsyncObject, type PyGeventAsync_Type]:
-
- WATCHER_BASE(async)
-
- START(async)
-
- ACTIVE
-
- property pending:
-
- def __get__(self):
- return True if libev.ev_async_pending(&self._watcher) else False
-
- INIT(async,,)
-
- def send(self):
- CHECK_LOOP2(self.loop)
- libev.ev_async_send(self.loop._ptr, &self._watcher)
-
-#ifdef _WIN32
-#else
-
-cdef public class child(watcher) [object PyGeventChildObject, type PyGeventChild_Type]:
-
- WATCHER(child)
-
- def __init__(self, loop loop, int pid, bint trace=0, ref=True):
- if not loop.default:
- raise TypeError('child watchers are only available on the default loop')
- libev.gevent_install_sigchld_handler()
- libev.ev_child_init(&self._watcher, <void *>gevent_callback_child, pid, trace)
- self.loop = loop
- if ref:
- self._flags = 0
- else:
- self._flags = 4
-
- def _format(self):
- return ' pid=%r rstatus=%r' % (self.pid, self.rstatus)
-
- property pid:
-
- def __get__(self):
- return self._watcher.pid
-
- property rpid:
-
- def __get__(self):
- return self._watcher.rpid
-
- def __set__(self, int value):
- self._watcher.rpid = value
-
- property rstatus:
-
- def __get__(self):
- return self._watcher.rstatus
-
- def __set__(self, int value):
- self._watcher.rstatus = value
-
-#endif
-
-
-cdef public class stat(watcher) [object PyGeventStatObject, type PyGeventStat_Type]:
-
- WATCHER(stat)
- cdef readonly str path
- cdef readonly bytes _paths
-
- def __init__(self, loop loop, str path, float interval=0.0, ref=True, priority=None):
- self.path = path
- cdef bytes paths
- if isinstance(path, unicode):
- # the famous Python3 filesystem encoding debacle hits us here. Can we do better?
- # We must keep a reference to the encoded string so that its bytes don't get freed
- # and overwritten, leading to strange errors from libev ("no such file or directory")
- paths = (<unicode>path).encode(sys.getfilesystemencoding())
- self._paths = paths
- else:
- paths = <bytes>path
- self._paths = paths
- libev.ev_stat_init(&self._watcher, <void *>gevent_callback_stat, <char*>paths, interval)
- self.loop = loop
- if ref:
- self._flags = 0
- else:
- self._flags = 4
- if priority is not None:
- libev.ev_set_priority(&self._watcher, priority)
-
- property attr:
-
- def __get__(self):
- if not self._watcher.attr.st_nlink:
- return
- return _pystat_fromstructstat(&self._watcher.attr)
-
- property prev:
-
- def __get__(self):
- if not self._watcher.prev.st_nlink:
- return
- return _pystat_fromstructstat(&self._watcher.prev)
-
- property interval:
-
- def __get__(self):
- return self._watcher.interval
-
-
-__SYSERR_CALLBACK = None
-
-
-cdef void _syserr_cb(char* msg) with gil:
- try:
- __SYSERR_CALLBACK(msg, errno)
- except:
- set_syserr_cb(None)
- print_exc = getattr(traceback, 'print_exc', None)
- if print_exc is not None:
- print_exc()
-
-
-cpdef set_syserr_cb(callback):
- global __SYSERR_CALLBACK
- if callback is None:
- libev.ev_set_syserr_cb(NULL)
- __SYSERR_CALLBACK = None
- elif callable(callback):
- libev.ev_set_syserr_cb(<void *>_syserr_cb)
- __SYSERR_CALLBACK = callback
- else:
- raise TypeError('Expected callable or None, got %r' % (callback, ))
-
-
-#ifdef LIBEV_EMBED
-LIBEV_EMBED = True
-EV_USE_FLOOR = libev.EV_USE_FLOOR
-EV_USE_CLOCK_SYSCALL = libev.EV_USE_CLOCK_SYSCALL
-EV_USE_REALTIME = libev.EV_USE_REALTIME
-EV_USE_MONOTONIC = libev.EV_USE_MONOTONIC
-EV_USE_NANOSLEEP = libev.EV_USE_NANOSLEEP
-EV_USE_INOTIFY = libev.EV_USE_INOTIFY
-EV_USE_SIGNALFD = libev.EV_USE_SIGNALFD
-EV_USE_EVENTFD = libev.EV_USE_EVENTFD
-EV_USE_4HEAP = libev.EV_USE_4HEAP
-#else
-LIBEV_EMBED = False
-#endif