Hi Nicolas, Looks like a well discussed question. On Posix systems, SIGTERM should work for you. That's the default signal sent by the 'kill' command on Linux. e.g. please take a look here: http://stackoverflow.com/questions/2541597/how-to-gracefully-handle-the-sigkill-signal-in-java
- Kris On Tue, Mar 4, 2014 at 2:45 AM, LE PICARD NICOLAS <n.lepic...@chu-tours.fr>wrote: > Hello everyone ! > > I looked for the answer in this list and did not find anything relevant. > > I don't know it it's possible to close a Process et call shutdown hooks > automatically. I looked into the code and found it was not possible (in > jdk7). > When we call destroy() on a Process, it will call terminateProcess of > ProcessImpl class. > This link shows that a TerminateProcess < kills > the process and WH_CBT > hooks are NOT called. > > http://msdn.microsoft.com/en-us/library/windows/desktop/ms686722(v=vs.85).aspx > Calling exitProcess (instead of TeminateProcess) seems to be dangerous ... > but I don't understand why (ok, dlls could be locked, but when you do a > CTRL +C it calls an exitProcess... so what's the problem ???) > > So I ask < how can we close a process, with the hooks called ? >. My > knowledge is way smaller than people on openjdk... so I hope someone has an > answer or a workaround. > > Byte the way, I looked for sending signals (SIGINT for Windows, SIGKILL > for linux etc) to close a process. > Maybe I'm wrong, but a solution could be to add to ProcessImpl_md.c : > > #include <signal.h> > > > > JNIEXPORT jboolean JNICALL > > Java_java_lang_ProcessImpl_CloseHandleWithHooks(JNIEnv *env, jclass > ignored, jlong handle) > > { > > raise(SIGINT) ; > > } > > I think,it will call an ExitProcess so ... dangerous or not ? > Of course, we have to add also a function in ProcessImpl and make call > available from Process through an abstract function like < close() > > > > Any clever thoughts on this subject (I'm sure it is a common problem...) ? > Thanks :) > > > Regards. > > Nicolas Le Picard > >
