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| -rw-r--r-- | ev.pod | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -607,7 +607,9 @@ example, libev itself uses this for its internal signal pipe: It is not visible to the libev user and should not keep C<ev_loop> from exiting if no event watchers registered by it are active. It is also an excellent way to do this for generic recurring timers or from within third-party -libraries. Just remember to I<unref after start> and I<ref before stop>. +libraries. Just remember to I<unref after start> and I<ref before stop> +(but only if the watcher wasn't active before, or was active before, +respectively). Example: Create a signal watcher, but keep it from keeping C<ev_loop> running when nothing else is active. |