diff options
Diffstat (limited to 't/common.perl')
| -rw-r--r-- | t/common.perl | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/t/common.perl b/t/common.perl index 5c5fcd84..688e30ad 100644 --- a/t/common.perl +++ b/t/common.perl @@ -1,6 +1,9 @@ # Copyright (C) 2015-2018 all contributors <meta@public-inbox.org> # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt> +use Fcntl qw(FD_CLOEXEC F_SETFD F_GETFD); +use POSIX qw(dup2); + sub stream_to_string { my ($res) = @_; my $body = $res->[2]; @@ -12,4 +15,28 @@ sub stream_to_string { $str; } +sub spawn_listener { + my ($env, $cmd, $socks) = @_; + my $pid = fork; + defined $pid or die "fork failed: $!\n"; + if ($pid == 0) { + # pretend to be systemd (cf. sd_listen_fds(3)) + my $fd = 3; # 3 == SD_LISTEN_FDS_START + foreach my $s (@$socks) { + my $fl = fcntl($s, F_GETFD, 0); + if (($fl & FD_CLOEXEC) != FD_CLOEXEC) { + warn "got FD:".fileno($s)." w/o CLOEXEC\n"; + } + fcntl($s, F_SETFD, $fl &= ~FD_CLOEXEC); + dup2(fileno($s), $fd++) or die "dup2 failed: $!\n"; + } + $ENV{LISTEN_PID} = $$; + $ENV{LISTEN_FDS} = scalar @$socks; + %ENV = (%ENV, %$env) if $env; + exec @$cmd; + die "FAIL: ",join(' ', @$cmd), ": $!\n"; + } + $pid; +} + 1; |