$s;
}
-sub spawn_listener {
- my ($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} = $$;
- $ENV{LISTEN_FDS} = scalar @$socks;
- %ENV = (%ENV, %$env) if $env;
- exec @$cmd;
- die "FAIL: ",join(' ', @$cmd), ": $!\n";
- }
- $pid;
-}
-
sub require_git ($;$) {
my ($req, $maybe) = @_;
my ($req_maj, $req_min) = split(/\./, $req);
1;
}
-my %cached_scripts;
sub key2script ($) {
my ($key) = @_;
return $key if $key =~ m!\A/!;
die RUN_SCRIPT_EXIT;
}
-sub run_script ($;$$) {
- my ($cmd, $env, $opt) = @_;
- my ($key, @argv) = @$cmd;
- my $run_mode = $ENV{TEST_RUN_MODE} // $opt->{run_mode} // 1;
- my $sub = $run_mode == 0 ? undef : ($cached_scripts{$key} //= do {
+my %cached_scripts;
+sub key2sub ($) {
+ my ($key) = @_;
+ $cached_scripts{$key} //= do {
my $f = key2script($key);
open my $fh, '<', $f or die "open $f: $!";
my $str = do { local $/; <$fh> };
1;
EOF
$pkg->can('main');
- }); # do
+ }
+}
+sub _run_sub ($$$) {
+ my ($sub, $key, $argv) = @_;
+ local @ARGV = @$argv;
+ $run_script_exit_code = undef;
+ my $exit_code = eval { $sub->(@$argv) };
+ if ($@ eq RUN_SCRIPT_EXIT) {
+ $@ = '';
+ $exit_code = $run_script_exit_code;
+ $? = ($exit_code << 8);
+ } elsif (defined($exit_code)) {
+ $? = ($exit_code << 8);
+ } elsif ($@) { # mimic die() behavior when uncaught
+ warn "E: eval-ed $key: $@\n";
+ $? = ($! << 8) if $!;
+ $? = (255 << 8) if $? == 0;
+ } else {
+ die "BUG: eval-ed $key: no exit code or \$@\n";
+ }
+}
+
+sub run_script ($;$$) {
+ my ($cmd, $env, $opt) = @_;
+ my ($key, @argv) = @$cmd;
+ my $run_mode = $ENV{TEST_RUN_MODE} // $opt->{run_mode} // 1;
+ my $sub = $run_mode == 0 ? undef : key2sub($key);
my $fhref = [];
my $spawn_opt = {};
for my $fd (0..2) {
local %ENV = $env ? (%ENV, %$env) : %ENV;
local %SIG = %SIG;
_prepare_redirects($fhref);
- local @ARGV = @argv;
- $run_script_exit_code = undef;
- my $exit_code = eval { $sub->(@argv) };
- if ($@ eq RUN_SCRIPT_EXIT) {
- $@ = '';
- $exit_code = $run_script_exit_code;
- $? = ($exit_code << 8);
- } elsif (defined($exit_code)) {
- $? = ($exit_code << 8);
- } elsif ($@) { # mimic die() behavior when uncaught
- warn "E: eval-ed $key: $@\n";
- $? = ($! << 8) if $!;
- $? = (255 << 8) if $? == 0;
- } else {
- die "BUG: eval-ed $key: no exit code or \$@\n";
- }
+ _run_sub($sub, $key, \@argv);
}
# slurp the redirects back into user-supplied strings
$? == 0;
}
+sub wait_for_tail () { sleep(2) }
+
+sub start_script {
+ my ($cmd, $env, $opt) = @_;
+ my ($key, @argv) = @$cmd;
+ my $run_mode = $ENV{TEST_RUN_MODE} // $opt->{run_mode} // 1;
+ my $sub = $run_mode == 0 ? undef : key2sub($key);
+ my $tail_pid;
+ if (my $tail_cmd = $ENV{TAIL}) {
+ my @paths;
+ for (@argv) {
+ next unless /\A--std(?:err|out)=(.+)\z/;
+ push @paths, $1;
+ }
+ if (@paths) {
+ defined($tail_pid = fork) or die "fork: $!\n";
+ if ($tail_pid == 0) {
+ # make sure files exist, first
+ open my $fh, '>>', $_ for @paths;
+ open(STDOUT, '>&STDERR') or die "1>&2: $!";
+ exec(split(' ', $tail_cmd), @paths);
+ die "$tail_cmd failed: $!";
+ }
+ wait_for_tail();
+ }
+ }
+ defined(my $pid = fork) or die "fork: $!\n";
+ if ($pid == 0) {
+ # pretend to be systemd (cf. sd_listen_fds(3))
+ # 3 == SD_LISTEN_FDS_START
+ my $fd;
+ for ($fd = 0; 1; $fd++) {
+ my $s = $opt->{$fd};
+ last if $fd >= 3 && !defined($s);
+ next unless $s;
+ 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: $!\n";
+ }
+ %ENV = (%ENV, %$env) if $env;
+ my $fds = $fd - 3;
+ if ($fds > 0) {
+ $ENV{LISTEN_PID} = $$;
+ $ENV{LISTEN_FDS} = $fds;
+ }
+ $0 = join(' ', @$cmd);
+ if ($sub) {
+ _run_sub($sub, $key, \@argv);
+ POSIX::_exit($? >> 8);
+ } else {
+ exec(key2script($key), @argv);
+ die "FAIL: ",join(' ', $key, @argv), ": $!\n";
+ }
+ }
+ TestProcess->new($pid, $tail_pid);
+}
+
+package TestProcess;
+use strict;
+
+# prevent new threads from inheriting these objects
+sub CLONE_SKIP { 1 }
+
+sub new {
+ my ($klass, $pid, $tail_pid) = @_;
+ bless { pid => $pid, tail_pid => $tail_pid, owner => $$ }, $klass;
+}
+
+sub kill {
+ my ($self, $sig) = @_;
+ CORE::kill($sig // 'TERM', $self->{pid});
+}
+
+sub join {
+ my ($self) = @_;
+ my $pid = delete $self->{pid} or return;
+ my $ret = waitpid($pid, 0);
+ defined($ret) or die "waitpid($pid): $!";
+ $ret == $pid or die "waitpid($pid) != $ret";
+}
+
+sub DESTROY {
+ my ($self) = @_;
+ return if $self->{owner} != $$;
+ if (my $tail = delete $self->{tail_pid}) {
+ ::wait_for_tail();
+ CORE::kill('TERM', $tail);
+ }
+ my $pid = delete $self->{pid} or return;
+ CORE::kill('TERM', $pid);
+}
+
1;