XhdZ ddlZddlZddlZddlZddlZddlZddlm Z ddl m Z ddl m Z Gdde ZGdd e Zy#e$rdZYFwxYw) zA parent poller for unix.N)interrupt_main)Thread) get_loggerc(eZdZdZfdZdZxZS)ParentPollerUnixzxA Unix-specific daemon thread that terminates the program immediately when the parent process no longer exists. c0t|d|_y)zInitialize the poller.TN)super__init__daemon)self __class__s J/var/www/html/myenv/lib/python3.12/site-packages/ipykernel/parentpoller.pyr zParentPollerUnix.__init__s  cddlm} tjdk(r.t j dtj dtjd\#t$r}|j|k(rYd}~zd}~wwxYw)zRun the poller.r)EINTR-Parent appears to have exited, shutting down.g?N) errnorosgetppidrwarning_exittimesleepOSError)r res rrunzParentPollerUnix.runsm  ::<1$L(()XYHHQK 3   77e# sAA$$ B-BBB__name__ __module__ __qualname____doc__r r __classcell__r s@rrrs rrc*eZdZdZdfd ZdZxZS)ParentPollerWindowszA Windows-specific daemon thread that listens for a special event that signals an interrupt and, optionally, terminates the program immediately when the parent process no longer exists. c~|s|sJt|t d}t|d|_||_||_y)aCreate the poller. At least one of the optional parameters must be provided. Parameters ---------- interrupt_handle : HANDLE (int), optional If provided, the program will generate a Ctrl+C event when this handle is signaled. parent_handle : HANDLE (int), optional If provided, the program will terminate immediately when this handle is signaled. Nz#ParentPollerWindows requires ctypesT)r r ctypes ImportErrorr interrupt_handle parent_handle)r r*r+msgr s rr zParentPollerWindows.__init__5sG =00  >7Cc" " 0*rc ddlm}m}g}|j r|j |j |jr|j |jtjd}|jdrtjntj} tjjj!t#||t#|z|d|}||cxkrt#|krnn|||z }||j k(r7t%t'j(t&j*rft-n[||jk(rLt/j1dt3j4dn|dkrt7j8dd y #t$r ddlm}m}YwxYw) z-Run the poll loop. This method never returns.r)INFINITE WAIT_OBJECT_064FrrzParent poll failed. If the frontend dies, the kernel may be left running. Please let us know about your system (bitness, Python, etc.) at ipython-dev@scipy.org) stacklevelN)_winapir.r/r) _subprocessr*appendr+platform architecture startswithr(c_int64c_intwindllkernel32WaitForMultipleObjectslencallablesignal getsignalSIGINTrrrrrwarningswarn)r r.r/handlesarchr:resulthandles rrzParentPollerWindows.runKsj < 7   NN400 1    NN4-- .$$&q)"&//$"7V\\]]++BBG %W%0 F5W5 -!78T222  0 0 ?@&(t111L(()XYHHQK! ) ! ; < ; ; =F>)NNrr$s@rr&r&/s +,.rr&)r"r(r)rr6r@rrC_threadr threadingr traitlets.logrrr&rrrMs[  "$v6J&JQ FsAAA