| … | |
… | |
| 320 | my $guard = Coro::guard { |
320 | my $guard = Coro::guard { |
| 321 | $TICK_WATCHER->start; |
321 | $TICK_WATCHER->start; |
| 322 | }; |
322 | }; |
| 323 | $TICK_WATCHER->stop; |
323 | $TICK_WATCHER->stop; |
| 324 | $guard |
324 | $guard |
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325 | } |
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326 | |
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327 | =item cf::get_slot $time[, $priority[, $name]] |
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328 | |
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329 | Allocate $time seconds of blocking CPU time at priority C<$priority>: |
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330 | This call blocks and returns only when you have at least C<$time> seconds |
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331 | of cpu time till the next tick. The slot is only valid till the next cede. |
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332 | |
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333 | The optional C<$name> can be used to identify the job to run. It might be |
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334 | used for statistical purposes and should identify the same time-class. |
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335 | |
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336 | Useful for short background jobs. |
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337 | |
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338 | =cut |
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339 | |
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340 | our @SLOT_QUEUE; |
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341 | our $SLOT_QUEUE; |
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342 | |
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343 | $SLOT_QUEUE->cancel if $SLOT_QUEUE; |
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344 | $SLOT_QUEUE = Coro::async { |
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345 | my $signal = new Coro::Signal; |
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346 | |
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347 | while () { |
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348 | next_job: |
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349 | my $avail = cf::till_tick; |
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350 | if ($avail > 0.01) { |
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351 | for (0 .. $#SLOT_QUEUE) { |
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352 | if ($SLOT_QUEUE[$_][0] < $avail) { |
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353 | my $job = splice @SLOT_QUEUE, $_, 1, (); |
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354 | $job->[2]->send; |
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355 | Coro::cede; |
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356 | goto next_job; |
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357 | } |
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358 | } |
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359 | } |
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360 | |
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361 | if (@SLOT_QUEUE) { |
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362 | # we do not use wait_For_tick() as it returns immediately when tick is inactive |
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363 | push @cf::WAIT_FOR_TICK, $signal; |
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364 | $signal->wait; |
|
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365 | } else { |
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366 | Coro::schedule; |
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367 | } |
|
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368 | } |
|
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369 | }; |
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370 | |
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371 | sub get_slot($;$$) { |
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372 | my ($time, $pri, $name) = @_; |
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373 | |
|
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374 | $time = $TICK * .6 if $time > $TICK * .6; |
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375 | my $sig = new Coro::Signal; |
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376 | |
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377 | push @SLOT_QUEUE, [$time, $pri, $sig, $name]; |
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378 | @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; |
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379 | $SLOT_QUEUE->ready; |
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380 | $sig->wait; |
| 325 | } |
381 | } |
| 326 | |
382 | |
| 327 | =item cf::async { BLOCK } |
383 | =item cf::async { BLOCK } |
| 328 | |
384 | |
| 329 | Currently the same as Coro::async_pool, meaning you cannot use |
385 | Currently the same as Coro::async_pool, meaning you cannot use |
