Current File : //usr/local/lib/python2.7/lib-dynload/select.so
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1 6 7 _fini _init _Jv_RegisterClasses __cxa_finalize PyArg_ParseTuple PyArg_ParseTupleAndKeywords PyArg_UnpackTuple PyBool_FromLong PyDict_DelItem PyDict_GetItem PyDict_New PyDict_Next PyDict_SetItem PyDict_Size PyErr_Format PyErr_NewException PyErr_NoMemory PyErr_Occurred PyErr_SetFromErrno PyErr_SetString PyEval_RestoreThread PyEval_SaveThread PyExc_IOError PyExc_OSError PyExc_OverflowError PyExc_RuntimeError PyExc_TypeError PyExc_ValueError PyFloat_AsDouble PyInt_AsLong PyInt_AsUnsignedLongMask PyInt_FromLong PyList_New PyList_SetItem PyLong_AsUnsignedLong PyLong_AsUnsignedLongLongMask PyMem_Free PyMem_Malloc PyModule_AddIntConstant PyModule_AddObject PyNumber_Check PyNumber_Int PyOS_snprintf PyObject_AsFileDescriptor PyObject_Free PyObject_Size PySequence_Fast PyString_FromString PyTuple_New PyTuple_Pack PyType_GenericNew PyType_IsSubtype PyType_Ready PyType_Type Py_FindMethod Py_InitModule4_64 _PyInt_AsInt _PyObject_New _Py_NoneStruct _Py_NotImplementedStruct _Py_TrueStruct _Py_ZeroStruct __error __stack_chk_fail __stack_chk_guard close free initselect kevent kqueue poll realloc select libc.so.7 FBSD_1.0 FBSD_1.5 /usr/local/lib:/usr/local/lib libthr.so.3 libpython2.7.so.1 i 9 | | 0| " 8| = H| P| ! X| B h| Ѕ `} x} D } E ~ \" ( K pL `M p PN @ P N P X @E h p x `F ` G ! 0H Ȇ @ # Ȍ W i @ 5" h # ȍ W Ѝ ؍ i 5" `O p 0P " ȏ P ؏ @ " P R# ( U 8 k k k l k k k k k 1 k 4 k 9 k : l ; l < k ? X ` h 6 p x & % 3 ' F ȓ Г ؓ 0 > 8 - * A + ( 5 0 8 @ H P = X ` ( h 7 p D x / E
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o This module supports asynchronous I/O on multiple file descriptors.
*** IMPORTANT NOTICE ***
On Windows and OpenVMS, only sockets are supported; on Unix, all file descriptors. 0 P select(rlist, wlist, xlist[, timeout]) -> (rlist, wlist, xlist)
Wait until one or more file descriptors are ready for some kind of I/O.
The first three arguments are sequences of file descriptors to be waited for:
rlist -- wait until ready for reading
wlist -- wait until ready for writing
xlist -- wait for an ``exceptional condition''
If only one kind of condition is required, pass [] for the other lists.
A file descriptor is either a socket or file object, or a small integer
gotten from a fileno() method call on one of those.
The optional 4th argument specifies a timeout in seconds; it may be
a floating point number to specify fractions of seconds. If it is absent
or None, the call will never time out.
The return value is a tuple of three lists corresponding to the first three
arguments; each contains the subset of the corresponding file descriptors
that are ready.
*** IMPORTANT NOTICE ***
On Windows and OpenVMS, only sockets are supported; on Unix, all file
descriptors can be used. Returns a polling object, which supports registering and
unregistering file descriptors, and then polling them for I/O events. register(fd [, eventmask] ) -> None
Register a file descriptor with the polling object.
fd -- either an integer, or an object with a fileno() method returning an
int.
events -- an optional bitmask describing the type of events to check for modify(fd, eventmask) -> None
Modify an already registered file descriptor.
fd -- either an integer, or an object with a fileno() method returning an
int.
events -- an optional bitmask describing the type of events to check for unregister(fd) -> None
Remove a file descriptor being tracked by the polling object. poll( [timeout] ) -> list of (fd, event) 2-tuples
Polls the set of registered file descriptors, returning a list containing
any descriptors that have events or errors to report. kevent(ident, filter=KQ_FILTER_READ, flags=KQ_EV_ADD, fflags=0, data=0, udata=0)
This object is the equivalent of the struct kevent for the C API.
See the kqueue manpage for more detailed information about the meaning
of the arguments.
One minor note: while you might hope that udata could store a
reference to a python object, it cannot, because it is impossible to
keep a proper reference count of the object once it's passed into the
kernel. Therefore, I have restricted it to only storing an integer. I
recommend ignoring it and simply using the 'ident' field to key off
of. You could also set up a dictionary on the python side to store a
udata->object mapping.
( Kqueue syscall wrapper.
For example, to start watching a socket for input:
>>> kq = kqueue()
>>> sock = socket()
>>> sock.connect((host, port))
>>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_ADD)], 0)
To wait one second for it to become writeable:
>>> kq.control(None, 1, 1000)
To stop listening:
>>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_DELETE)], 0) fromfd(fd) -> kqueue
Create a kqueue object from a given control fd. close() -> None
Close the kqueue control file descriptor. Further operations on the kqueue
object will raise an exception. fileno() -> int
Return the kqueue control file descriptor. control(changelist, max_events[, timeout=None]) -> eventlist
Calls the kernel kevent function.
- changelist must be an iterable of kevent objects describing the changes
to be made to the kernel's watch list or None.
- max_events lets you specify the maximum number of events that the
kernel will return.
- timeout is the maximum time to wait in seconds, or else None,
to wait forever. timeout accepts floats for smaller timeouts, too. j FV VV fV vV V V V V V V V V W W &W 6W FW VW fW vW W W W W W W W W X X &X 6X FX VX fX vX X X X X X X X X Y Y &Y 6Y FY VY fY vY Y Y Y Y Y FreeBSD clang version 11.0.1 (git@github.com:llvm/llvm-project.git llvmorg-11.0.1-0-g43ff75f2c3fe) Linker: LLD 11.0.1 (FreeBSD llvmorg-11.0.1-0-g43ff75f2c3fe-1300007) $FreeBSD$ .shstrtab .note.tag .dynsym .gnu.version .gnu.version_r .gnu.hash .hash .dynstr .rela.dyn .rela.plt .rodata .eh_frame_hdr .eh_frame .text .init .fini .plt .ctors .dtors .jcr .init_array .dynamic .got .data .got.plt .bss .comment p p o x x + o
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