X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FSpawnPP.pm;h=179aba5e737ccb524947dfd424d208c2618abed8;hb=2c69f7bc34a2b12dc7f55e2bb24fa28565f24f03;hp=36223e8132eefa30c380bf1b07fef42bbf40628b;hpb=e748f75979046724ead380bd00eadc677bdc07e9;p=public-inbox.git

diff --git a/lib/PublicInbox/SpawnPP.pm b/lib/PublicInbox/SpawnPP.pm
index 36223e81..179aba5e 100644
--- a/lib/PublicInbox/SpawnPP.pm
+++ b/lib/PublicInbox/SpawnPP.pm
@@ -12,7 +12,12 @@ sub public_inbox_fork_exec ($$$$$$) {
 	my $set = POSIX::SigSet->new();
 	$set->fillset or die "fillset failed: $!";
 	sigprocmask(SIG_SETMASK, $set, $old) or die "can't block signals: $!";
+	my $syserr;
 	my $pid = fork;
+	unless (defined $pid) { # compat with Inline::C version
+		$syserr = $!;
+		$pid = -1;
+	}
 	if ($pid == 0) {
 		if ($in != 0) {
 			dup2($in, 0) or die "dup2 failed for stdin: $!";
@@ -34,6 +39,7 @@ sub public_inbox_fork_exec ($$$$$$) {
 		}
 	}
 	sigprocmask(SIG_SETMASK, $old) or die "can't unblock signals: $!";
+	$! = $syserr;
 	$pid;
 }