diff options
Diffstat (limited to 'lib/PublicInbox')
-rw-r--r-- | lib/PublicInbox/DirIdle.pm | 4 | ||||
-rw-r--r-- | lib/PublicInbox/InboxIdle.pm | 4 | ||||
-rw-r--r-- | lib/PublicInbox/Inotify.pm | 30 |
3 files changed, 34 insertions, 4 deletions
diff --git a/lib/PublicInbox/DirIdle.pm b/lib/PublicInbox/DirIdle.pm index 55c3982f..af99811c 100644 --- a/lib/PublicInbox/DirIdle.pm +++ b/lib/PublicInbox/DirIdle.pm @@ -9,14 +9,14 @@ use PublicInbox::Syscall qw(EPOLLIN); use PublicInbox::In2Tie; my ($MAIL_IN, $MAIL_GONE, $ino_cls); -if ($^O eq 'linux' && eval { require Linux::Inotify2; 1 }) { +if ($^O eq 'linux' && eval { require PublicInbox::Inotify; 1 }) { $MAIL_IN = Linux::Inotify2::IN_MOVED_TO() | Linux::Inotify2::IN_CREATE(); $MAIL_GONE = Linux::Inotify2::IN_DELETE() | Linux::Inotify2::IN_DELETE_SELF() | Linux::Inotify2::IN_MOVE_SELF() | Linux::Inotify2::IN_MOVED_FROM(); - $ino_cls = 'Linux::Inotify2'; + $ino_cls = 'PublicInbox::Inotify'; # Perl 5.22+ is needed for fileno(DIRHANDLE) support: } elsif ($^V ge v5.22 && eval { require PublicInbox::KQNotify }) { $MAIL_IN = PublicInbox::KQNotify::MOVED_TO_OR_CREATE(); diff --git a/lib/PublicInbox/InboxIdle.pm b/lib/PublicInbox/InboxIdle.pm index f0d8a972..4231c0a0 100644 --- a/lib/PublicInbox/InboxIdle.pm +++ b/lib/PublicInbox/InboxIdle.pm @@ -10,9 +10,9 @@ use parent qw(PublicInbox::DS); use PublicInbox::Syscall qw(EPOLLIN); my $IN_MODIFY = 0x02; # match Linux inotify my $ino_cls; -if ($^O eq 'linux' && eval { require Linux::Inotify2; 1 }) { +if ($^O eq 'linux' && eval { require PublicInbox::Inotify }) { $IN_MODIFY = Linux::Inotify2::IN_MODIFY(); - $ino_cls = 'Linux::Inotify2'; + $ino_cls = 'PublicInbox::Inotify'; } elsif (eval { require PublicInbox::KQNotify }) { $IN_MODIFY = PublicInbox::KQNotify::NOTE_WRITE(); $ino_cls = 'PublicInbox::KQNotify'; diff --git a/lib/PublicInbox/Inotify.pm b/lib/PublicInbox/Inotify.pm new file mode 100644 index 00000000..3ef271c8 --- /dev/null +++ b/lib/PublicInbox/Inotify.pm @@ -0,0 +1,30 @@ +# Copyright (C) all contributors <meta@public-inbox.org> +# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt> + +# wrap Linux::Inotify2 XS module, support pure Perl via `syscall' someday +package PublicInbox::Inotify; +use v5.12; +our @ISA; +BEGIN { + eval { require Linux::Inotify2 }; + if ($@) { # TODO: get rid of XS dependency + die "W: Linux::Inotify2 missing: $@\n"; + } else { + push @ISA, 'Linux::Inotify2'; + } +}; + +sub new { + $_[0]->SUPER::new // do { + my $msg = $!{EMFILE} ? <<EOM : "$_[0]->new: $!\n"; +inotify_init/inotify_init1: $! +You may need to raise the `fs.inotify.max_user_instances' sysctl limit. +Consult your OS documentation and/or sysctl(8) + sysctl.conf(5) manpages. +EOM + $msg =~ s/^/E: /smg; + require Carp; + Carp::croak($msg); + } +} + +1; |