| … | |
… | |
| 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 = '3.62'; |
55 | our $VERSION = '3.7'; |
| 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 | ); |
| … | |
… | |
| 113 | reasons. If performance is not essential you are encouraged to use the |
113 | reasons. If performance is not essential you are encouraged to use the |
| 114 | C<Coro::current> function instead. |
114 | C<Coro::current> function instead. |
| 115 | |
115 | |
| 116 | =cut |
116 | =cut |
| 117 | |
117 | |
|
|
118 | $main->{desc} = "[main::]"; |
|
|
119 | |
| 118 | # maybe some other module used Coro::Specific before... |
120 | # maybe some other module used Coro::Specific before... |
| 119 | $main->{specific} = $current->{specific} |
121 | $main->{specific} = $current->{specific} |
| 120 | if $current; |
122 | if $current; |
| 121 | |
123 | |
| 122 | _set_current $main; |
124 | _set_current $main; |
| … | |
… | |
| 166 | while @destroy; |
168 | while @destroy; |
| 167 | |
169 | |
| 168 | &schedule; |
170 | &schedule; |
| 169 | } |
171 | } |
| 170 | }; |
172 | }; |
| 171 | |
173 | $manager->desc ("[coro manager]"); |
| 172 | $manager->prio (PRIO_MAX); |
174 | $manager->prio (PRIO_MAX); |
| 173 | |
175 | |
| 174 | # static methods. not really. |
176 | # static methods. not really. |
| 175 | |
177 | |
| 176 | =back |
178 | =back |
| … | |
… | |
| 228 | terminate }> once per second or so to slowly replenish the pool. |
230 | terminate }> once per second or so to slowly replenish the pool. |
| 229 | |
231 | |
| 230 | =cut |
232 | =cut |
| 231 | |
233 | |
| 232 | our $POOL_SIZE = 8; |
234 | our $POOL_SIZE = 8; |
|
|
235 | our $MAX_POOL_RSS = 64 * 1024; |
| 233 | our @pool; |
236 | our @pool; |
| 234 | |
237 | |
| 235 | sub pool_handler { |
238 | sub pool_handler { |
| 236 | while () { |
239 | while () { |
|
|
240 | $current->{desc} = "[async_pool]"; |
|
|
241 | |
| 237 | eval { |
242 | eval { |
| 238 | my ($cb, @arg) = @{ delete $current->{_invoke} or return }; |
243 | my ($cb, @arg) = @{ delete $current->{_invoke} or return }; |
| 239 | $cb->(@arg); |
244 | $cb->(@arg); |
| 240 | }; |
245 | }; |
| 241 | warn $@ if $@; |
246 | warn $@ if $@; |
| 242 | |
247 | |
| 243 | last if @pool >= $POOL_SIZE; |
248 | last if @pool >= $POOL_SIZE || $current->rss >= $MAX_POOL_RSS; |
|
|
249 | |
| 244 | push @pool, $current; |
250 | push @pool, $current; |
| 245 | |
251 | $current->{desc} = "[async_pool idle]"; |
| 246 | $current->save (Coro::State::SAVE_DEF); |
252 | $current->save (Coro::State::SAVE_DEF); |
| 247 | $current->prio (0); |
253 | $current->prio (0); |
| 248 | schedule; |
254 | schedule; |
| 249 | } |
255 | } |
| 250 | } |
256 | } |
| 251 | |
257 | |
| 252 | sub async_pool(&@) { |
258 | sub async_pool(&@) { |
| 253 | # this is also inlined into the unlock_scheduler |
259 | # this is also inlined into the unlock_scheduler |
| 254 | my $coro = (pop @pool or new Coro \&pool_handler); |
260 | my $coro = (pop @pool) || new Coro \&pool_handler;; |
| 255 | |
261 | |
| 256 | $coro->{_invoke} = [@_]; |
262 | $coro->{_invoke} = [@_]; |
| 257 | $coro->ready; |
263 | $coro->ready; |
| 258 | |
264 | |
| 259 | $coro |
265 | $coro |
| … | |
… | |
| 525 | |
531 | |
| 526 | # we create a special coro because we want to cede, |
532 | # we create a special coro because we want to cede, |
| 527 | # to reduce pressure on the coro pool (because most callbacks |
533 | # to reduce pressure on the coro pool (because most callbacks |
| 528 | # return immediately and can be reused) and because we cannot cede |
534 | # return immediately and can be reused) and because we cannot cede |
| 529 | # inside an event callback. |
535 | # inside an event callback. |
| 530 | our $unblock_scheduler = async { |
536 | our $unblock_scheduler = new Coro sub { |
| 531 | while () { |
537 | while () { |
| 532 | while (my $cb = pop @unblock_queue) { |
538 | while (my $cb = pop @unblock_queue) { |
| 533 | # this is an inlined copy of async_pool |
539 | # this is an inlined copy of async_pool |
| 534 | my $coro = (pop @pool or new Coro \&pool_handler); |
540 | my $coro = (pop @pool or new Coro \&pool_handler); |
| 535 | |
541 | |
| … | |
… | |
| 538 | cede; # for short-lived callbacks, this reduces pressure on the coro pool |
544 | cede; # for short-lived callbacks, this reduces pressure on the coro pool |
| 539 | } |
545 | } |
| 540 | schedule; # sleep well |
546 | schedule; # sleep well |
| 541 | } |
547 | } |
| 542 | }; |
548 | }; |
|
|
549 | $unblock_scheduler->desc ("[unblock_sub scheduler]"); |
| 543 | |
550 | |
| 544 | sub unblock_sub(&) { |
551 | sub unblock_sub(&) { |
| 545 | my $cb = shift; |
552 | my $cb = shift; |
| 546 | |
553 | |
| 547 | sub { |
554 | sub { |
