}
my $inot = $self->{inot};
my $cur = $self->{pathmap}->{$dir} //= [];
+ my $lock = "$dir/".($ibx->version >= 2 ? 'inbox.lock' : 'ssoma.lock');
# transfer old subscriptions to the current inbox, cancel the old watch
- if (my $old_ibx = $cur->[0]) {
+ my $old_ibx = $cur->[0];
+ $cur->[0] = $ibx;
+ if ($old_ibx) {
$ibx->{unlock_subs} and
die "BUG: $dir->{unlock_subs} should not exist";
$ibx->{unlock_subs} = $old_ibx->{unlock_subs};
+
+ # Linux::Inotify2::Watch::name matches if watches are the
+ # same, no point in replacing a watch of the same name
+ if ($cur->[1]->name eq $lock) {
+ $self->{on_unlock}->{$lock} = $ibx;
+ return;
+ }
+ # rare, name changed (v1 inbox converted to v2)
$cur->[1]->cancel; # Linux::Inotify2::Watch::cancel
}
- $cur->[0] = $ibx;
- my $lock = "$dir/".($ibx->version >= 2 ? 'inbox.lock' : 'ssoma.lock');
- my $w = $cur->[1] = $inot->watch($lock, $IN_MODIFY);
- $self->{on_unlock}->{$w->name} = $ibx;
+ if (my $w = $cur->[1] = $inot->watch($lock, $IN_MODIFY)) {
+ $self->{on_unlock}->{$w->name} = $ibx;
+ } else {
+ warn "E: ".ref($inot)."->watch($lock, IN_MODIFY) failed: $!\n";
+ if ($!{ENOSPC} && $^O eq 'linux') {
+ warn <<"";
+I: consider increasing /proc/sys/fs/inotify/max_user_watches
+
+ }
+ }
# TODO: detect deleted packs (and possibly other files)
}