import sys
if len( sys.argv )<= 1:
	print 'ok'
	import os
	r, w= os.pipe( )
	print os.write( w, 'abcde' )
	print os.read( r, 1 )

	import msvcrt
	rh= msvcrt.get_osfhandle( r )
	print rh

	import subprocess as sub
	proc= sub.Popen( [ sys.executable, sys.argv[ 0 ], str( rh ) ] )
	proc.wait( )
else:
	print 'sub'
	import msvcrt
	rh= int( sys.argv[ 1 ] )
	r= msvcrt.open_osfhandle( rh, 0 )
	import os
	buf= os.read( r, 100 )
	print buf
	assert buf== 'bcde'