ó æNXc@sVdZddlZddlZddlmZmZmZmZd„Zd„Z dS(s<Substitute for the forkpty system call, to support Solaris. iÿÿÿÿN(t STDIN_FILENOt STDOUT_FILENOt STDERR_FILENOtCHILDcCs²tjƒ\}}|dks*|dkr9tdƒ‚ntjƒ}|tkr›tj|ƒt|ƒtj|tƒtj|t ƒtj|t ƒn tj|ƒ||fS(sáThis implements a substitute for the forkpty system call. This should be more portable than the pty.fork() function. Specifically, this should work on Solaris. Modified 10.06.05 by Geoff Marshall: Implemented __fork_pty() method to resolve the issue with Python's pty.fork() not supporting Solaris, particularly ssh. Based on patch to posixmodule.c authored by Noah Spurrier:: http://mail.python.org/pipermail/python-dev/2003-May/035281.html isos.openpty() failed( tostopenptytOSErrortforkRtclosetpty_make_controlling_ttytdup2RRR(t parent_fdtchild_fdtpid((sL/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/ptyprocess/_fork_pty.pytfork_ptys     cCs#tj|ƒ}y-tjdtjtjBƒ}tj|ƒWn+tk ri}|jtjkrj‚qjnXtj ƒy9tjdtjtjBƒ}tj|ƒt dƒ‚Wn+tk rÚ}|jtjkrÛ‚qÛnXtj|tjƒ}tj|ƒtjdtj ƒ}tj|ƒdS(s¢This makes the pseudo-terminal the controlling tty. This should be more portable than the pty.fork() function. Specifically, this should work on Solaris. s/dev/ttys(OSError of errno.ENXIO should be raised.N( RtttynametopentO_RDWRtO_NOCTTYRRterrnotENXIOtsetsidtExceptionPexpecttO_WRONLY(ttty_fdt child_nametfdterr((sL/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/ptyprocess/_fork_pty.pyR *s&     ( t__doc__RRtptyRRRRRR (((sL/data/av2000/mvv/env_mvv/lib/python2.7/site-packages/ptyprocess/_fork_pty.pyts   " "