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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
def send(long s, object buff, object obj, unsigned long flags = 0):
cdef int rc
cdef myOVERLAPPED *ov
cdef WSABUF ws_buf
cdef unsigned long bytes
cdef Py_ssize_t size
PyObject_AsReadBuffer(buff, <void **>&ws_buf.buf, &size)
ws_buf.len = <DWORD>size
ov = makeOV()
if obj is not None:
ov.obj = <PyObject *>obj
rc = WSASend(s, &ws_buf, 1, &bytes, flags, <OVERLAPPED *>ov, NULL)
if rc == SOCKET_ERROR:
rc = WSAGetLastError()
if rc != ERROR_IO_PENDING:
PyMem_Free(ov)
return rc, bytes
Py_XINCREF(obj)
return rc, bytes
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