-# Copyright (C) 2015-2019 all contributors <meta@public-inbox.org>
+# Copyright (C) 2015-2020 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
use strict;
use warnings;
use Test::More;
use PublicInbox::Spawn qw(which spawn popen_rd);
+use PublicInbox::Sigfd;
{
my $true = which('true');
is($?, 0, 'true exited successfully');
}
+{ # ensure waitpid(-1, 0) and SIGCHLD works in spawned process
+ my $script = <<'EOF';
+$| = 1; # unbuffer stdout
+defined(my $pid = fork) or die "fork: $!";
+if ($pid == 0) { exit }
+elsif ($pid > 0) {
+ my $waited = waitpid(-1, 0);
+ $waited == $pid or die "mismatched child $pid != $waited";
+ $? == 0 or die "child err: $>";
+ $SIG{CHLD} = sub { print "HI\n"; exit };
+ print "RDY $$\n";
+ select(undef, undef, undef, 0.01) while 1;
+}
+EOF
+ my $oldset = PublicInbox::Sigfd::block_signals();
+ my $rd = popen_rd([$^X, '-e', $script]);
+ diag 'waiting for child to reap grandchild...';
+ chomp(my $line = readline($rd));
+ my ($rdy, $pid) = split(' ', $line);
+ is($rdy, 'RDY', 'got ready signal, waitpid(-1) works in child');
+ ok(kill('CHLD', $pid), 'sent SIGCHLD to child');
+ is(readline($rd), "HI\n", '$SIG{CHLD} works in child');
+ ok(close $rd, 'popen_rd close works');
+ PublicInbox::Sigfd::sig_setmask($oldset);
+}
+
{
my ($r, $w);
pipe $r, $w or die "pipe failed: $!";
my ($r, $w);
pipe $r, $w or die "pipe failed: $!";
my $pid = spawn(['sh', '-c', 'echo $HELLO'],
- { 'HELLO' => 'world' }, { 1 => fileno($w) });
+ { 'HELLO' => 'world' }, { 1 => $w });
close $w or die "close pipe[1] failed: $!";
is(<$r>, "world\n", 'read stdout of spawned from pipe');
is(waitpid($pid, 0), $pid, 'waitpid succeeds on spawned process');
is($?, 0, 'sh exited successfully');
}
-{
- my ($r, $w);
- pipe $r, $w or die "pipe failed: $!";
- my $pid = spawn(['env'], {}, { -env => 1, 1 => fileno($w) });
- close $w or die "close pipe[1] failed: $!";
- ok(!defined(<$r>), 'read stdout of spawned from pipe');
- is(waitpid($pid, 0), $pid, 'waitpid succeeds on spawned process');
- is($?, 0, 'env(1) exited successfully');
-}
-
{
my $fh = popen_rd([qw(echo hello)]);
ok(fileno($fh) >= 0, 'tied fileno works');