- flock($lockfh, LOCK_UN) or die "unlock failed: $!\n";
- close $lockfh or die "close failed: $!\n";
+ flock($lockfh, LOCK_UN) or croak "unlock $lock_path failed: $!\n";
+ close $lockfh or croak "close $lock_path failed: $!\n";
+}
+
+# caller must use return value
+sub lock_for_scope {
+ my ($self, @single_pid) = @_;
+ lock_acquire($self) or return; # lock_path not set
+ PublicInbox::OnDestroy->new(@single_pid, \&lock_release, $self);
+}
+
+sub lock_acquire_fast {
+ $_[0]->{lockfh} or return lock_acquire($_[0]);
+ flock($_[0]->{lockfh}, LOCK_EX) or croak "lock (fast) failed: $!";
+}
+
+sub lock_release_fast {
+ flock($_[0]->{lockfh} // return, LOCK_UN) or
+ croak "unlock (fast) $_[0]->{lock_path}: $!";
+}
+
+# caller must use return value
+sub lock_for_scope_fast {
+ my ($self, @single_pid) = @_;
+ lock_acquire_fast($self) or return; # lock_path not set
+ PublicInbox::OnDestroy->new(@single_pid, \&lock_release_fast, $self);