- %ENV = ();
- foreach my $e (@$env) {
- my ($k, $v) = split('=', $e, 2);
- $ENV{$k} = $v;
+ $SIG{$_} = '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";
+ } else {
+ local %ENV = map { split(/=/, $_, 2) } @$env;
+ my @cmd = @$cmd;
+ $cmd[0] = $f;
+ exec @cmd;
+ die "exec $cmd->[0] failed: $!\n";