| … | |
… | |
| 159 | # cannot destroy itself. |
159 | # cannot destroy itself. |
| 160 | my @destroy; |
160 | my @destroy; |
| 161 | my $manager; |
161 | my $manager; |
| 162 | |
162 | |
| 163 | $manager = new Coro sub { |
163 | $manager = new Coro sub { |
|
|
164 | $current->desc ("[coro manager]"); |
|
|
165 | |
| 164 | while () { |
166 | while () { |
| 165 | (shift @destroy)->_cancel |
167 | (shift @destroy)->_cancel |
| 166 | while @destroy; |
168 | while @destroy; |
| 167 | |
169 | |
| 168 | &schedule; |
170 | &schedule; |
| … | |
… | |
| 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) || do { |
|
|
| 255 | my $coro = new Coro \&pool_handler; |
260 | my $coro = (pop @pool) || new Coro \&pool_handler;; |
| 256 | $coro->{desc} = "async_pool"; |
|
|
| 257 | $coro |
|
|
| 258 | }; |
|
|
| 259 | |
261 | |
| 260 | $coro->{_invoke} = [@_]; |
262 | $coro->{_invoke} = [@_]; |
| 261 | $coro->ready; |
263 | $coro->ready; |
| 262 | |
264 | |
| 263 | $coro |
265 | $coro |
| … | |
… | |
| 530 | # we create a special coro because we want to cede, |
532 | # we create a special coro because we want to cede, |
| 531 | # to reduce pressure on the coro pool (because most callbacks |
533 | # to reduce pressure on the coro pool (because most callbacks |
| 532 | # return immediately and can be reused) and because we cannot cede |
534 | # return immediately and can be reused) and because we cannot cede |
| 533 | # inside an event callback. |
535 | # inside an event callback. |
| 534 | our $unblock_scheduler = async { |
536 | our $unblock_scheduler = async { |
|
|
537 | $current->desc ("[unblock_sub scheduler]"); |
| 535 | while () { |
538 | while () { |
| 536 | while (my $cb = pop @unblock_queue) { |
539 | while (my $cb = pop @unblock_queue) { |
| 537 | # this is an inlined copy of async_pool |
540 | # this is an inlined copy of async_pool |
| 538 | my $coro = (pop @pool or new Coro \&pool_handler); |
541 | my $coro = (pop @pool or new Coro \&pool_handler); |
| 539 | |
542 | |
