MhdZ ddlZn #e$rdZYnwxYwddlZddlZddlZddlZddlZddlm Z ddl m Z ddl m Z Gdde ZGdd e ZdS) zA parent poller for unix.N)interrupt_main)Thread) get_loggerc(eZdZdZfdZdZxZS)ParentPollerUnixzxA Unix-specific daemon thread that terminates the program immediately when the parent process no longer exists. cVtd|_dS)zInitialize the poller.TN)super__init__daemon)self __class__s V/var/www/html/test/jupyter/venv/lib/python3.11/site-packages/ipykernel/parentpoller.pyr zParentPollerUnix.__init__s$  cddlm} tjdkr5t dtjdtjdn##t$r}|j|krYd}~}d}~wwxYw)zRun the poller.r)EINTRT-Parent appears to have exited, shutting down.g?N) errnorosgetppidrwarning_exittimesleepOSError)r res rrunzParentPollerUnix.runs   :<<1$$LL(()XYYYHQKKK 3   7e##HHHH  sA A** B 4 BBB __name__ __module__ __qualname____doc__r r __classcell__r s@rrrsQ rrc*eZdZdZdfd ZdZxZS)ParentPollerWindowszA Windows-specific daemon thread that listens for a special event that signals an interrupt and, optionally, terminates the program immediately when the parent process no longer exists. Nc|s|sJttd}t|d|_||_||_dS)aCreate the poller. At least one of the optional parameters must be provided. Parameters ---------- interrupt_handle : HANDLE (int), optional If provided, the program will generate a Ctrl+C event when this handle is signaled. parent_handle : HANDLE (int), optional If provided, the program will terminate immediately when this handle is signaled. Nz#ParentPollerWindows requires ctypesT)r r ctypes ImportErrorr interrupt_handle parent_handle)r r*r+msgr s rr zParentPollerWindows.__init__5sa 0=000  >7Cc"" " 0*rc ddlm}m}n#t$r ddlm}m}YnwxYwg}|jr||j|jr||jtj d}| dr tj n tj } tjjt#||t#|z|d|}||cxkrt#|krnn|||z }||jkr:t%t'jt&jrt-n_||jkr5t/dt3jdn|dkrt7jdd d S) z-Run the poll loop. This method never returns.r)INFINITE WAIT_OBJECT_064TFrrzParent poll failed. If the frontend dies, the kernel may be left running. Please let us know about your system (bitness, Python, etc.) at ipython-dev@scipy.org) stacklevelN)_winapir.r/r) _subprocessr*appendr+platform architecture startswithr(c_int64c_intwindllkernel32WaitForMultipleObjectslencallablesignal getsignalSIGINTrrrrrwarningswarn)r r.r/handlesarchr:resulthandles rrzParentPollerWindows.runKs < 7 7 7 7 7 7 7 7 7 < < < ; ; ; ; ; ; ; ; ; ; <   2 NN40 1 1 1   / NN4- . . .$&&q)"&//$"7"7IV\ ]+BBG %W%0 F5555W55555 -!78T222  0 ? ?@@)&(((t111LL(()XYYYHQKKK! ) ! ; s    )NNrr$s@rr&r&/sV ++++++,.......rr&)r"r(r)rr6r@rrC_threadr threadingr traitlets.logrrr&rrrMs MMMM FFF  """"""$$$$$$v6JJJJJ&JJJJJs