… | |
… | |
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 { |