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50 | |
50 | |
51 | our $idle; # idle handler |
51 | our $idle; # idle handler |
52 | our $main; # main coroutine |
52 | our $main; # main coroutine |
53 | our $current; # current coroutine |
53 | our $current; # current coroutine |
54 | |
54 | |
55 | our $VERSION = '3.7'; |
55 | our $VERSION = '3.8'; |
56 | |
56 | |
57 | our @EXPORT = qw(async async_pool cede schedule terminate current unblock_sub); |
57 | our @EXPORT = qw(async async_pool cede schedule terminate current unblock_sub); |
58 | our %EXPORT_TAGS = ( |
58 | our %EXPORT_TAGS = ( |
59 | prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], |
59 | prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], |
60 | ); |
60 | ); |
… | |
… | |
116 | =cut |
116 | =cut |
117 | |
117 | |
118 | $main->{desc} = "[main::]"; |
118 | $main->{desc} = "[main::]"; |
119 | |
119 | |
120 | # maybe some other module used Coro::Specific before... |
120 | # maybe some other module used Coro::Specific before... |
121 | $main->{specific} = $current->{specific} |
121 | $main->{_specific} = $current->{_specific} |
122 | if $current; |
122 | if $current; |
123 | |
123 | |
124 | _set_current $main; |
124 | _set_current $main; |
125 | |
125 | |
126 | sub current() { $current } |
126 | sub current() { $current } |
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151 | # free coroutine data and mark as destructed |
151 | # free coroutine data and mark as destructed |
152 | $self->_destroy |
152 | $self->_destroy |
153 | or return; |
153 | or return; |
154 | |
154 | |
155 | # call all destruction callbacks |
155 | # call all destruction callbacks |
156 | $_->(@{$self->{status}}) |
156 | $_->(@{$self->{_status}}) |
157 | for @{(delete $self->{destroy_cb}) || []}; |
157 | for @{(delete $self->{_on_destroy}) || []}; |
158 | } |
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159 | |
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160 | sub _do_trace { |
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161 | $current->{_trace_cb}->(); |
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162 | } |
158 | } |
163 | |
159 | |
164 | # this coroutine is necessary because a coroutine |
160 | # this coroutine is necessary because a coroutine |
165 | # cannot destroy itself. |
161 | # cannot destroy itself. |
166 | my @destroy; |
162 | my @destroy; |
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312 | |
308 | |
313 | =item terminate [arg...] |
309 | =item terminate [arg...] |
314 | |
310 | |
315 | Terminates the current coroutine with the given status values (see L<cancel>). |
311 | Terminates the current coroutine with the given status values (see L<cancel>). |
316 | |
312 | |
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313 | =item killall |
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314 | |
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315 | Kills/terminates/cancels all coroutines except the currently running |
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316 | one. This is useful after a fork, either in the child or the parent, as |
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317 | usually only one of them should inherit the running coroutines. |
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318 | |
317 | =cut |
319 | =cut |
318 | |
320 | |
319 | sub terminate { |
321 | sub terminate { |
320 | $current->cancel (@_); |
322 | $current->cancel (@_); |
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323 | } |
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324 | |
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325 | sub killall { |
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326 | for (Coro::State::list) { |
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327 | $_->cancel |
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328 | if $_ != $current && UNIVERSAL::isa $_, "Coro"; |
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329 | } |
321 | } |
330 | } |
322 | |
331 | |
323 | =back |
332 | =back |
324 | |
333 | |
325 | # dynamic methods |
334 | # dynamic methods |
… | |
… | |
369 | |
378 | |
370 | =cut |
379 | =cut |
371 | |
380 | |
372 | sub cancel { |
381 | sub cancel { |
373 | my $self = shift; |
382 | my $self = shift; |
374 | $self->{status} = [@_]; |
383 | $self->{_status} = [@_]; |
375 | |
384 | |
376 | if ($current == $self) { |
385 | if ($current == $self) { |
377 | push @destroy, $self; |
386 | push @destroy, $self; |
378 | $manager->ready; |
387 | $manager->ready; |
379 | &schedule while 1; |
388 | &schedule while 1; |
… | |
… | |
383 | } |
392 | } |
384 | |
393 | |
385 | =item $coroutine->join |
394 | =item $coroutine->join |
386 | |
395 | |
387 | Wait until the coroutine terminates and return any values given to the |
396 | Wait until the coroutine terminates and return any values given to the |
388 | C<terminate> or C<cancel> functions. C<join> can be called multiple times |
397 | C<terminate> or C<cancel> functions. C<join> can be called concurrently |
389 | from multiple coroutine. |
398 | from multiple coroutines. |
390 | |
399 | |
391 | =cut |
400 | =cut |
392 | |
401 | |
393 | sub join { |
402 | sub join { |
394 | my $self = shift; |
403 | my $self = shift; |
395 | |
404 | |
396 | unless ($self->{status}) { |
405 | unless ($self->{_status}) { |
397 | my $current = $current; |
406 | my $current = $current; |
398 | |
407 | |
399 | push @{$self->{destroy_cb}}, sub { |
408 | push @{$self->{_on_destroy}}, sub { |
400 | $current->ready; |
409 | $current->ready; |
401 | undef $current; |
410 | undef $current; |
402 | }; |
411 | }; |
403 | |
412 | |
404 | &schedule while $current; |
413 | &schedule while $current; |
405 | } |
414 | } |
406 | |
415 | |
407 | wantarray ? @{$self->{status}} : $self->{status}[0]; |
416 | wantarray ? @{$self->{_status}} : $self->{_status}[0]; |
408 | } |
417 | } |
409 | |
418 | |
410 | =item $coroutine->on_destroy (\&cb) |
419 | =item $coroutine->on_destroy (\&cb) |
411 | |
420 | |
412 | Registers a callback that is called when this coroutine gets destroyed, |
421 | Registers a callback that is called when this coroutine gets destroyed, |
… | |
… | |
416 | =cut |
425 | =cut |
417 | |
426 | |
418 | sub on_destroy { |
427 | sub on_destroy { |
419 | my ($self, $cb) = @_; |
428 | my ($self, $cb) = @_; |
420 | |
429 | |
421 | push @{ $self->{destroy_cb} }, $cb; |
430 | push @{ $self->{_on_destroy} }, $cb; |
422 | } |
431 | } |
423 | |
432 | |
424 | =item $oldprio = $coroutine->prio ($newprio) |
433 | =item $oldprio = $coroutine->prio ($newprio) |
425 | |
434 | |
426 | Sets (or gets, if the argument is missing) the priority of the |
435 | Sets (or gets, if the argument is missing) the priority of the |
… | |
… | |
450 | |
459 | |
451 | =item $olddesc = $coroutine->desc ($newdesc) |
460 | =item $olddesc = $coroutine->desc ($newdesc) |
452 | |
461 | |
453 | Sets (or gets in case the argument is missing) the description for this |
462 | Sets (or gets in case the argument is missing) the description for this |
454 | coroutine. This is just a free-form string you can associate with a coroutine. |
463 | coroutine. This is just a free-form string you can associate with a coroutine. |
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464 | |
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465 | This method simply sets the C<< $coroutine->{desc} >> member to the given string. You |
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466 | can modify this member directly if you wish. |
455 | |
467 | |
456 | =cut |
468 | =cut |
457 | |
469 | |
458 | sub desc { |
470 | sub desc { |
459 | my $old = $_[0]{desc}; |
471 | my $old = $_[0]{desc}; |