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* [PATCH] tail_notify: cleanups and wakeup avoidance
@ 2023-07-14 20:35 Eric Wong
  0 siblings, 0 replies; only message in thread
From: Eric Wong @ 2023-07-14 20:35 UTC (permalink / raw)
  To: meta

Avoid adding redundant watches at initialization, and avoid
unnecessarily wake ups when no timeout is specified.
---
 lib/PublicInbox/TailNotify.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/PublicInbox/TailNotify.pm b/lib/PublicInbox/TailNotify.pm
index a0347aa5..cbbc1041 100644
--- a/lib/PublicInbox/TailNotify.pm
+++ b/lib/PublicInbox/TailNotify.pm
@@ -43,7 +43,6 @@ sub new {
 	} else {
 		$self->{inot} = PublicInbox::FakeInotify->new;
 	}
-	$self->{inot}->watch($fn, $TAIL_MOD);
 	reopen_file($self);
 	$self->{inot}->watch($fn, $TAIL_MOD);
 	$self;
@@ -64,6 +63,8 @@ again:
 			if (defined $end) {
 				$wait = $end - now;
 				$wait = 0 if $wait < 0;
+			} else {
+				undef $wait;
 			}
 		}
 		select($rfds, undef, undef, $wait);

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2023-07-14 20:35 [PATCH] tail_notify: cleanups and wakeup avoidance Eric Wong

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