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    SubjectRe: [RESEND][RFC PATCH v2] waitfd
    On Sat, 10 Jan 2009, Oleg Nesterov wrote:

    > > Thus:
    > >
    > > - child process #1 dies
    > > - main loop woken up by SIGCHLD
    > > - pending status of signal cleared
    > > - enter wait loop
    > > - child process #2 dies
    > > - SIGCHLD pending again
    > > - waitpid() called first time, child process #1 reaped
    > > - waitpid() called second time, child process #2 reaped
    > > (SIGCHLD still pending)
    > > - waitpid() called third time, no child processes remain
    > > - exit wait loop
    > > - back to top of main loop, immediately woken up by pending SIGCHLD
    > > - pending status of signal cleared
    > > - enter wait loop
    > > - waitpid() called first time, but no child processes remain
    > > (we reaped it last time round)
    > > - exit wait loop
    > > - back to top of main loop, sleep
    >
    > Scott, I don't really understand why are you trying to explain this
    > all to me. I do understand this. At least I hope ;)

    Indeed :)
    Scott, you're teaching Linux signals to the guy that is likely the
    de-facto mantainer of the subsystem. See the irony?



    - Davide




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