1 files changed, 20 insertions, 0 deletions
diff --git a/t/epoll.t b/t/epoll.t
new file mode 100644
index 00000000..56ade672
--- /dev/null
+++ b/t/epoll.t
@@ -0,0 +1,20 @@
+use strict;
+use Test::More;
+use IO::Handle;
+use PublicInbox::Syscall qw(:epoll);
+plan skip_all => 'not Linux' if $^O ne 'linux';
+my $epfd = epoll_create();
+ok($epfd >= 0, 'epoll_create');
+my $hnd = IO::Handle->new_from_fd($epfd, 'r+'); # close on exit
+
+pipe(my ($r, $w)) or die "pipe: $!";
+is(epoll_ctl($epfd, EPOLL_CTL_ADD, fileno($w), EPOLLOUT), 0,
+    'epoll_ctl socket EPOLLOUT');
+
+my @events;
+is(epoll_wait($epfd, 100, 10000, \@events), 1, 'epoll_wait returns');
+is_deeply(\@events, [ [ fileno($w), EPOLLOUT ] ], 'got expected events');
+close $w;
+is(epoll_wait($epfd, 100, 0, \@events), 0, 'epoll_wait timeout');
+
+done_testing;