| … | |
… | |
| 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] |
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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 | Useful for short background jobs. |
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334 | |
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335 | =cut |
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336 | |
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337 | our @SLOT_QUEUE; |
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338 | our $SLOT_QUEUE; |
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339 | |
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340 | $SLOT_QUEUE->cancel if $SLOT_QUEUE; |
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341 | $SLOT_QUEUE = Coro::async { |
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342 | my $signal = new Coro::Signal; |
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343 | |
|
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344 | while () { |
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345 | next_job: |
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346 | my $avail = cf::till_tick; |
|
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347 | if ($avail > 0.01) { |
|
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348 | for (0 .. $#SLOT_QUEUE) { |
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349 | if ($SLOT_QUEUE[$_][0] < $avail) { |
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350 | my $job = splice @SLOT_QUEUE, $_, 1, (); |
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351 | $job->[2]->send; |
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352 | Coro::cede; |
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353 | goto next_job; |
|
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354 | } |
|
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355 | } |
|
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356 | } |
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357 | |
|
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358 | if (@SLOT_QUEUE) { |
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359 | # we do not use wait_For_tick() as it returns immediately when tick is inactive |
|
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360 | push @cf::WAIT_FOR_TICK, $signal; |
|
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361 | $signal->wait; |
|
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362 | } else { |
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363 | Coro::schedule; |
|
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364 | } |
|
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365 | } |
|
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366 | }; |
|
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367 | |
|
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368 | sub get_slot($;$) { |
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369 | my ($time, $pri) = @_; |
|
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370 | |
|
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371 | push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal]; |
|
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372 | @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; |
|
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373 | $SLOT_QUEUE->ready; |
|
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374 | $sig->wait; |
| 325 | } |
375 | } |
| 326 | |
376 | |
| 327 | =item cf::async { BLOCK } |
377 | =item cf::async { BLOCK } |
| 328 | |
378 | |
| 329 | Currently the same as Coro::async_pool, meaning you cannot use |
379 | Currently the same as Coro::async_pool, meaning you cannot use |
