wwwstream: show relative coderepo URLs correctly

[public-inbox.git] / lib / PublicInbox / SpawnPP.pm

diff --git a/lib/PublicInbox/SpawnPP.pm b/lib/PublicInbox/SpawnPP.pm
index 2ac02c564c76e36b24353f1b32d85e3677c0c9ad..a72d5a2d86fb02a0ea4469eb0e38d5c650c13f9f 100644 (file)
--- a/lib/PublicInbox/SpawnPP.pm
+++ b/lib/PublicInbox/SpawnPP.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2016-2019 all contributors <meta@public-inbox.org>
+# Copyright (C) 2016-2020 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 
 # Pure-Perl implementation of "spawn".  This can't take advantage
@@ -9,8 +9,8 @@ use warnings;
 use POSIX qw(dup2 :signal_h);
 
 # Pure Perl implementation for folks that do not use Inline::C
-sub pi_fork_exec ($$$$$) {
-       my ($redir, $f, $cmd, $env, $rlim) = @_;
+sub pi_fork_exec ($$$$$$) {
+       my ($redir, $f, $cmd, $env, $rlim, $cd) = @_;
        my $old = POSIX::SigSet->new();
        my $set = POSIX::SigSet->new();
        $set->fillset or die "fillset failed: $!";
@@ -33,6 +33,14 @@ sub pi_fork_exec ($$$$$) {
                        dup2($parent_fd, $child_fd) or
                                die "dup2($parent_fd, $child_fd): $!\n";
                }
+               if ($cd ne '') {
+                       chdir $cd or die "chdir $cd: $!";
+               }
+               $SIG{$_} = 'DEFAULT' for keys %SIG;
+               my $cset = POSIX::SigSet->new();
+               $cset->addset(POSIX::SIGCHLD) or die "can't add SIGCHLD: $!";
+               sigprocmask(SIG_UNBLOCK, $cset) or
+                                       die "can't unblock SIGCHLD: $!";
                if ($ENV{MOD_PERL}) {
                        exec which('env'), '-i', @$env, @$cmd;
                        die "exec env -i ... $cmd->[0] failed: $!\n";