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| 374 | |
374 | |
| 375 | This can be used to localise about any resource (locale, uid, current |
375 | This can be used to localise about any resource (locale, uid, current |
| 376 | working directory etc.) to a block, despite the existance of other |
376 | working directory etc.) to a block, despite the existance of other |
| 377 | coros. |
377 | coros. |
| 378 | |
378 | |
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379 | Another interesting example implements time-sliced multitasking using |
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380 | interval timers (this could obviously be optimised, but does the job): |
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381 | |
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382 | # "timeslice" the given block |
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383 | sub timeslice(&) { |
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384 | use Time::HiRes (); |
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385 | |
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386 | Coro::on_enter { |
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387 | # on entering the thread, we set an VTALRM handler to cede |
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388 | $SIG{VTALRM} = sub { cede }; |
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389 | # and then start the interval timer |
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390 | Time::HiRes::setitimer &Time::HiRes::ITIMER_VIRTUAL, 0.01, 0.01; |
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391 | }; |
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392 | Coro::on_leave { |
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393 | # on leaving the thread, we stop the interval timer again |
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394 | Time::HiRes::setitimer &Time::HiRes::ITIMER_VIRTUAL, 0, 0; |
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395 | }; |
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396 | |
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397 | &{+shift}; |
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398 | } |
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399 | |
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400 | # use like this: |
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401 | timeslice { |
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402 | # The following is an endless loop that would normally |
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403 | # monopolise the process. Sicne it runs in a timeslice |
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404 | # environment, it will regularly cede to other threads. |
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405 | while () { } |
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406 | }; |
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407 | |
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408 | |
| 379 | =item killall |
409 | =item killall |
| 380 | |
410 | |
| 381 | Kills/terminates/cancels all coros except the currently running one. |
411 | Kills/terminates/cancels all coros except the currently running one. |
| 382 | |
412 | |
| 383 | Note that while this will try to free some of the main interpreter |
413 | Note that while this will try to free some of the main interpreter |
