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Marc Alexander Lehmann 2008-03-31 01:14:12 +00:00
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commit 9beb8fda87
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@ -1087,6 +1087,18 @@ C<ev_default_fork ()> or C<ev_loop_fork ()> after a fork in the child,
enable C<EVFLAG_FORKCHECK>, or resort to C<EVBACKEND_SELECT> or
C<EVBACKEND_POLL>.
=head3 The special problem of SIGPIPE
While not really specific to libev, it is easy to forget about SIGPIPE:
when reading from a pipe whose other end has been closed, your program
gets send a SIGPIPE, which, by default, aborts your program. For most
programs this is sensible behaviour, for daemons, this is usually
undesirable.
So when you encounter spurious, unexplained daemon exits, make sure you
ignore SIGPIPE (and maybe make sure you log the exit status of your daemon
somewhere, as that would have given you a big clue).
=head3 Watcher-Specific Functions