… | |
… | |
409 | Coro::Storable. May, of course, block. Note that the executed sub may |
409 | Coro::Storable. May, of course, block. Note that the executed sub may |
410 | never block itself or use any form of Event handling. |
410 | never block itself or use any form of Event handling. |
411 | |
411 | |
412 | =cut |
412 | =cut |
413 | |
413 | |
|
|
414 | sub _store_scalar { |
|
|
415 | open my $fh, ">", \my $buf |
|
|
416 | or die "fork_call: cannot open fh-to-buf in child : $!"; |
|
|
417 | Storable::store_fd $_[0], $fh; |
|
|
418 | close $fh; |
|
|
419 | |
|
|
420 | $buf |
|
|
421 | } |
|
|
422 | |
414 | sub fork_call(&@) { |
423 | sub fork_call(&@) { |
415 | my ($cb, @args) = @_; |
424 | my ($cb, @args) = @_; |
416 | |
425 | |
417 | # socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC |
426 | # socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC |
418 | # or die "socketpair: $!"; |
427 | # or die "socketpair: $!"; |
… | |
… | |
421 | |
430 | |
422 | if (my $pid = fork) { |
431 | if (my $pid = fork) { |
423 | close $fh2; |
432 | close $fh2; |
424 | |
433 | |
425 | my $res = (Coro::Handle::unblock $fh1)->readline (undef); |
434 | my $res = (Coro::Handle::unblock $fh1)->readline (undef); |
|
|
435 | warn "pst<$res>" unless $res =~ /^pst/; |
426 | $res = Coro::Storable::thaw $res; |
436 | $res = Coro::Storable::thaw $res; |
427 | |
437 | |
428 | waitpid $pid, 0; # should not block anymore, we expect the child to simply behave |
438 | waitpid $pid, 0; # should not block anymore, we expect the child to simply behave |
429 | |
439 | |
430 | die $$res unless "ARRAY" eq ref $res; |
440 | Carp::confess $$res unless "ARRAY" eq ref $res; |
431 | |
441 | |
432 | return wantarray ? @$res : $res->[-1]; |
442 | return wantarray ? @$res : $res->[-1]; |
433 | } else { |
443 | } else { |
434 | reset_signals; |
444 | reset_signals; |
435 | local $SIG{__WARN__}; |
445 | local $SIG{__WARN__}; |
436 | local $SIG{__DIE__}; |
446 | local $SIG{__DIE__}; |
|
|
447 | # just in case, this hack effectively disables event |
|
|
448 | # in the child. cleaner and slower would be canceling all watchers, |
|
|
449 | # but this works for the time being. |
|
|
450 | local $Coro::idle; |
|
|
451 | $Coro::current->prio (Coro::PRIO_MAX); |
|
|
452 | |
437 | eval { |
453 | eval { |
438 | close $fh1; |
454 | close $fh1; |
439 | |
455 | |
440 | my @res = eval { $cb->(@args) }; |
456 | my @res = eval { $cb->(@args) }; |
|
|
457 | |
441 | syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); |
458 | syswrite $fh2, _store_scalar $@ ? \"$@" : \@res; |
|
|
459 | close $fh2; |
442 | }; |
460 | }; |
443 | |
461 | |
444 | warn $@ if $@; |
462 | warn $@ if $@; |
445 | _exit 0; |
463 | _exit 0; |
446 | } |
464 | } |
… | |
… | |
2357 | my $hp = $exit->stats->hp; |
2375 | my $hp = $exit->stats->hp; |
2358 | my $sp = $exit->stats->sp; |
2376 | my $sp = $exit->stats->sp; |
2359 | |
2377 | |
2360 | $self->enter_link; |
2378 | $self->enter_link; |
2361 | |
2379 | |
|
|
2380 | # if exit is damned, update players death & WoR home-position |
|
|
2381 | $self->contr->savebed ($slaying, $hp, $sp) |
|
|
2382 | if $exit->flag (FLAG_DAMNED); |
|
|
2383 | |
2362 | (async { |
2384 | (async { |
2363 | $self->deactivate_recursive; # just to be sure |
2385 | $self->deactivate_recursive; # just to be sure |
2364 | unless (eval { |
2386 | unless (eval { |
2365 | $self->goto ($slaying, $hp, $sp); |
2387 | $self->goto ($slaying, $hp, $sp); |
2366 | |
2388 | |
… | |
… | |
2578 | |
2600 | |
2579 | =pod |
2601 | =pod |
2580 | |
2602 | |
2581 | The following functions and methods are available within a safe environment: |
2603 | The following functions and methods are available within a safe environment: |
2582 | |
2604 | |
2583 | cf::object contr pay_amount pay_player map |
2605 | cf::object |
|
|
2606 | contr pay_amount pay_player map x y force_find force_add |
|
|
2607 | insert remove |
|
|
2608 | |
2584 | cf::object::player player |
2609 | cf::object::player |
2585 | cf::player peaceful |
2610 | player |
2586 | cf::map trigger |
2611 | |
|
|
2612 | cf::player |
|
|
2613 | peaceful |
|
|
2614 | |
|
|
2615 | cf::map |
|
|
2616 | trigger |
2587 | |
2617 | |
2588 | =cut |
2618 | =cut |
2589 | |
2619 | |
2590 | for ( |
2620 | for ( |
2591 | ["cf::object" => qw(contr pay_amount pay_player map)], |
2621 | ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y |
|
|
2622 | insert remove)], |
2592 | ["cf::object::player" => qw(player)], |
2623 | ["cf::object::player" => qw(player)], |
2593 | ["cf::player" => qw(peaceful)], |
2624 | ["cf::player" => qw(peaceful)], |
2594 | ["cf::map" => qw(trigger)], |
2625 | ["cf::map" => qw(trigger)], |
2595 | ) { |
2626 | ) { |
2596 | no strict 'refs'; |
2627 | no strict 'refs'; |