user/dev discussion of public-inbox itself
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From: Eric Wong <e@80x24.org>
To: meta@public-inbox.org
Subject: [PATCH 6/7] ipc: move on_destroy scope to inside the eval
Date: Fri, 29 Jan 2021 12:42:59 +0500	[thread overview]
Message-ID: <20210129074300.14475-7-e@80x24.org> (raw)
In-Reply-To: <20210129074300.14475-1-e@80x24.org>

It saves us a line of code
---
 lib/PublicInbox/IPC.pm | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/PublicInbox/IPC.pm b/lib/PublicInbox/IPC.pm
index ece0e8b8..d2ff038d 100644
--- a/lib/PublicInbox/IPC.pm
+++ b/lib/PublicInbox/IPC.pm
@@ -119,13 +119,12 @@ sub ipc_worker_spawn {
 		PublicInbox::DS::sig_setmask($sigset);
 		# ensure we properly exit even if warn() dies:
 		my $end = PublicInbox::OnDestroy->new($$, sub { exit(!!$@) });
-		my $on_destroy = $self->ipc_atfork_child;
 		eval {
+			my $on_destroy = $self->ipc_atfork_child;
 			local %SIG = %SIG;
 			ipc_worker_loop($self, $r_req, $w_res);
 		};
 		die "worker $ident PID:$$ died: $@\n" if $@;
-		undef $on_destroy;
 		undef $end; # trigger exit
 	}
 	PublicInbox::DS::sig_setmask($sigset) unless $oldset;
@@ -336,13 +335,12 @@ sub _wq_worker_start ($$$) {
 		PublicInbox::DS::sig_setmask($oldset);
 		# ensure we properly exit even if warn() dies:
 		my $end = PublicInbox::OnDestroy->new($$, sub { exit(!!$@) });
-		my $on_destroy = $self->ipc_atfork_child;
 		eval {
+			my $on_destroy = $self->ipc_atfork_child;
 			local %SIG = %SIG;
 			wq_worker_loop($self);
 		};
 		warn "worker $self->{-wq_ident} PID:$$ died: $@" if $@;
-		undef $on_destroy;
 		undef $end; # trigger exit
 	} else {
 		$self->{-wq_workers}->{$pid} = \undef;

  parent reply	other threads:[~2021-01-29  7:43 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-29  7:42 [PATCH 0/7] lei: more half-baked updates Eric Wong
2021-01-29  7:42 ` [PATCH 1/7] ipc: wq: support passing fields to workers Eric Wong
2021-01-29  7:42 ` [PATCH 2/7] lei_xsearch: drop repeated "Xapian" in error message Eric Wong
2021-01-29  7:42 ` [PATCH 3/7] ipc: more consistent behavior between worker types Eric Wong
2021-01-29  7:42 ` [PATCH 4/7] lei: less error-prone FD mapping Eric Wong
2021-01-29  7:42 ` [PATCH 5/7] git: synchronous cat_file may return type and OID Eric Wong
2021-01-29  7:42 ` Eric Wong [this message]
2021-01-29  7:43 ` [PATCH 7/7] shared_kv: simplify PID+object guard for cleanup Eric Wong

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