David, I don't think there is anything you can do. My kill man page (Mac OS X, BSD) says that a kill -9 is "non-catchable, non-ignorable kill". As to closing files, that would probably be OS dependent. Some other kill, such as -1 or -15 might allow cleanup.
Bruce On Aug 12, 2011, at 11:36 AM, David Ashley wrote: > I want to create a Linux daemon program written in C that invokes a Rexx > script. > This means the script process will be running in the background without a > terminal interface or any normal SYSIN, SYSOUT, or SYSERR file handles > available > (I will be redirecting SYSOUT and SYSERR to a log file). > > My question is what happens when I perform a kill -9 operation on the process > and how can I intercept that action in the ooRexx script to ensure the > program > shuts down gracefully? Will a CALL ON HALT statement catch this kind of > action? > And do I need to enable any other signal handling in the C part of the > program? > > I am asking this because I am unsure if ooRexx will act differently in this > kind > of environment than it would as a foreground process. I just want to make > sure I > am not boxing myself into a corner here. > > -- > > David Ashley > ooRexx Development Team > > > ------------------------------------------------------------------------------ > FREE DOWNLOAD - uberSVN with Social Coding for Subversion. > Subversion made easy with a complete admin console. Easy > to use, easy to manage, easy to install, easy to extend. > Get a Free download of the new open ALM Subversion platform now. > http://p.sf.net/sfu/wandisco-dev2dev > _______________________________________________ > Oorexx-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/oorexx-devel ------------------------------------------------------------------------------ FREE DOWNLOAD - uberSVN with Social Coding for Subversion. Subversion made easy with a complete admin console. Easy to use, easy to manage, easy to install, easy to extend. Get a Free download of the new open ALM Subversion platform now. http://p.sf.net/sfu/wandisco-dev2dev _______________________________________________ Oorexx-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/oorexx-devel
