| … | |
… | |
| 421 | |
421 | |
| 422 | if (my $pid = fork) { |
422 | if (my $pid = fork) { |
| 423 | close $fh2; |
423 | close $fh2; |
| 424 | |
424 | |
| 425 | my $res = (Coro::Handle::unblock $fh1)->readline (undef); |
425 | my $res = (Coro::Handle::unblock $fh1)->readline (undef); |
|
|
426 | warn "pst<$res>" unless $res =~ /^pst/; |
| 426 | $res = Coro::Storable::thaw $res; |
427 | $res = Coro::Storable::thaw $res; |
| 427 | |
428 | |
| 428 | waitpid $pid, 0; # should not block anymore, we expect the child to simply behave |
429 | waitpid $pid, 0; # should not block anymore, we expect the child to simply behave |
| 429 | |
430 | |
| 430 | die $$res unless "ARRAY" eq ref $res; |
431 | Carp::confess $$res unless "ARRAY" eq ref $res; |
| 431 | |
432 | |
| 432 | return wantarray ? @$res : $res->[-1]; |
433 | return wantarray ? @$res : $res->[-1]; |
| 433 | } else { |
434 | } else { |
| 434 | reset_signals; |
435 | reset_signals; |
| 435 | local $SIG{__WARN__}; |
436 | local $SIG{__WARN__}; |
| 436 | local $SIG{__DIE__}; |
437 | local $SIG{__DIE__}; |
|
|
438 | local $Coro::idle; |
|
|
439 | $Coro::current->prio (Coro::PRIO_MAX); |
| 437 | eval { |
440 | eval { |
| 438 | close $fh1; |
441 | close $fh1; |
| 439 | |
442 | |
| 440 | my @res = eval { $cb->(@args) }; |
443 | my @res = eval { $cb->(@args) }; |
| 441 | syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); |
444 | |
|
|
445 | open my $fh, ">", \my $buf |
|
|
446 | or die "fork_call: cannot open fh-to-buf in child : $!"; |
|
|
447 | Storable::store_fd +($@ ? \"$@" : \@res), $fh; |
|
|
448 | close $fh; |
|
|
449 | |
|
|
450 | warn "writing ", length $buf; |
|
|
451 | my $x; |
|
|
452 | (length $buf) == ($x = syswrite $fh2, $buf) |
|
|
453 | or warn "error writing ".(length $buf)." != $x\n"; |
|
|
454 | close $fh2; |
| 442 | }; |
455 | }; |
| 443 | |
456 | |
| 444 | warn $@ if $@; |
457 | warn $@ if $@; |
| 445 | _exit 0; |
458 | _exit 0; |
| 446 | } |
459 | } |
