Hi Andy, On Mon, 3 Apr 2017 12:21:36 +0100 Andrew Beverley <[email protected]> wrote:
> On Mon, 3 Apr 2017 13:22:16 +0300 Shlomi Fish wrote: > > > Forking a web app is not as simple as it first seems. > > > > Do you mean forking any web app or just Dancer apps? > > Yes, any web application, and probably any application that runs > continuously. The parent process needs to reap the child processes. > I see. > > > You need to take > > > an approach like the following (hopefully the comments will explain > > > without me regurgitating here, but feel free to ask for > > > clarification): > > > > > > https://github.com/ctrlo/GADS/blob/cb8c9478dee8eac1f40a44486634173bed8d666d/lib/GADS/Record.pm#L1068 > > > > > > > I don't understand the code there in part because it uses too many > > custom APIs > > As Racke says, you just need to use that concept. I.e. the parent > process forks a child; the child process terminates immediately after > it has spawned a grandchild, which allows the parent to reap the child. > The grandchild is then left hanging and becomes init's responsibility. > I see - thanks! > > like "guard"s > > You should consider a guard, to ensure that nothing in the grandchild > causes it to hang around. For example, if there is an exception which > is then caught before the _exit(), you can end up with the grandchild > hanging around serving web requests to nobody ;-) > OK, I will. > > and "try". > > You can ignore that. > OK. > > Furthermore, the licence is the AGPLv3 which cannot be used inside my > > MIT Expat code. > > IANAL, but I wouldn't say that small snippet of code is copywritable. > Nonetheless, I can speak with authority for Ctrl O, and you are welcome > to freely copy without condition that whole forking section if you want. > Thanks! Regards, Shlomi Fish > Andy -- ----------------------------------------------------------------- Shlomi Fish http://www.shlomifish.org/ Freecell Solver - http://fc-solve.shlomifish.org/ Doing linear scans over an associative array is like trying to club someone to death with a loaded Uzi. — Larry Wall Please reply to list if it's a mailing list post - http://shlom.in/reply . _______________________________________________ dancer-users mailing list [email protected] http://lists.preshweb.co.uk/mailman/listinfo/dancer-users
