mdw@git.distorted.org.uk Git - mLib-python/blob - fdutils.pyx

   1 # -*-pyrex-*-
   2 #
   3 # $Id$
   4 #
   5 # Messing with file descriptors
   6 #
   7 # (c) 2007 Straylight/Edgeware
   8 #
   9
  10 #----- Licensing notice -----------------------------------------------------
  11 #
  12 # This file is part of the Python interface to mLib.
  13 #
  14 # mLib/Python is free software; you can redistribute it and/or modify
  15 # it under the terms of the GNU General Public License as published by
  16 # the Free Software Foundation; either version 2 of the License, or
  17 # (at your option) any later version.
  18 #
  19 # mLib/Python is distributed in the hope that it will be useful,
  20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU General Public License for more details.
  23 #
  24 # You should have received a copy of the GNU General Public License
  25 # along with mLib/Python; if not, write to the Free Software Foundation,
  26 # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27
  28 def fdflags(file,
  29             unsigned fbic = 0, unsigned fxor = 0,
  30             unsigned fdbic = 0, unsigned fdxor = 0):
  31   cdef int rc
  32   rc = _fdflags(_getfd(fd), fbix, fxor, fdbic, fdxor)
  33   if rc < 0:
  34     _oserror()
  35   return rc
  36
  37 def fdsend(sock, file, buffer):
  38   cdef void *p
  39   cdef int len
  40   cdef int rc
  41   PyObject_AsReadBuffer(buffer, &p, &len)
  42   rc = fdpass_send(_getfd(sock), _getfd(file), p, len)
  43   if rc < 0:
  44     _oserror()
  45   return rc
  46
  47 def fdrecv(sock, unsigned size):
  48   cdef void *p
  49   cdef buf
  50   cdef int len
  51   cdef PyObject *obj
  52   cdef int fd
  53   buf = PyString_FromStringAndSize(NULL, len)
  54   p = PyString_AS_STRING(buf)
  55   len = fdpass_recv(_getfd(sock), &fd, p, size)
  56   if len < 0:
  57     _oserror()
  58   obj = <PyObject *>buf
  59   _PyString_Resize(&obj, len)
  60   return fd, <object>obj
  61
  62 #----- That's all, folks ----------------------------------------------------