| … | |
… | |
| 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 | |
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118 | $main->{desc} = "[main::]"; |
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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; |
| … | |
… | |
| 159 | # cannot destroy itself. |
161 | # cannot destroy itself. |
| 160 | my @destroy; |
162 | my @destroy; |
| 161 | my $manager; |
163 | my $manager; |
| 162 | |
164 | |
| 163 | $manager = new Coro sub { |
165 | $manager = new Coro sub { |
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166 | $current->desc ("[coro manager]"); |
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167 | |
| 164 | while () { |
168 | while () { |
| 165 | (shift @destroy)->_cancel |
169 | (shift @destroy)->_cancel |
| 166 | while @destroy; |
170 | while @destroy; |
| 167 | |
171 | |
| 168 | &schedule; |
172 | &schedule; |
| … | |
… | |
| 228 | terminate }> once per second or so to slowly replenish the pool. |
232 | terminate }> once per second or so to slowly replenish the pool. |
| 229 | |
233 | |
| 230 | =cut |
234 | =cut |
| 231 | |
235 | |
| 232 | our $POOL_SIZE = 8; |
236 | our $POOL_SIZE = 8; |
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237 | our $MAX_POOL_RSS = 64 * 1024; |
| 233 | our @pool; |
238 | our @pool; |
| 234 | |
239 | |
| 235 | sub pool_handler { |
240 | sub pool_handler { |
| 236 | while () { |
241 | while () { |
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|
242 | $current->{desc} = "[async_pool]"; |
|
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243 | |
| 237 | eval { |
244 | eval { |
| 238 | my ($cb, @arg) = @{ delete $current->{_invoke} or return }; |
245 | my ($cb, @arg) = @{ delete $current->{_invoke} or return }; |
| 239 | $cb->(@arg); |
246 | $cb->(@arg); |
| 240 | }; |
247 | }; |
| 241 | warn $@ if $@; |
248 | warn $@ if $@; |
| 242 | |
249 | |
| 243 | last if @pool >= $POOL_SIZE; |
250 | last if @pool >= $POOL_SIZE || $current->rss >= $MAX_POOL_RSS; |
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251 | |
| 244 | push @pool, $current; |
252 | push @pool, $current; |
| 245 | |
253 | $current->{desc} = "[async_pool idle]"; |
| 246 | $current->save (Coro::State::SAVE_DEF); |
254 | $current->save (Coro::State::SAVE_DEF); |
| 247 | $current->prio (0); |
255 | $current->prio (0); |
| 248 | schedule; |
256 | schedule; |
| 249 | } |
257 | } |
| 250 | } |
258 | } |
| 251 | |
259 | |
| 252 | sub async_pool(&@) { |
260 | sub async_pool(&@) { |
| 253 | # this is also inlined into the unlock_scheduler |
261 | # this is also inlined into the unlock_scheduler |
| 254 | my $coro = (pop @pool) || do { |
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|
| 255 | my $coro = new Coro \&pool_handler; |
262 | my $coro = (pop @pool) || new Coro \&pool_handler;; |
| 256 | $coro->{desc} = "async_pool"; |
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|
| 257 | $coro |
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|
| 258 | }; |
|
|
| 259 | |
263 | |
| 260 | $coro->{_invoke} = [@_]; |
264 | $coro->{_invoke} = [@_]; |
| 261 | $coro->ready; |
265 | $coro->ready; |
| 262 | |
266 | |
| 263 | $coro |
267 | $coro |
| … | |
… | |
| 530 | # we create a special coro because we want to cede, |
534 | # we create a special coro because we want to cede, |
| 531 | # to reduce pressure on the coro pool (because most callbacks |
535 | # to reduce pressure on the coro pool (because most callbacks |
| 532 | # return immediately and can be reused) and because we cannot cede |
536 | # return immediately and can be reused) and because we cannot cede |
| 533 | # inside an event callback. |
537 | # inside an event callback. |
| 534 | our $unblock_scheduler = async { |
538 | our $unblock_scheduler = async { |
|
|
539 | $current->desc ("[unblock_sub scheduler]"); |
| 535 | while () { |
540 | while () { |
| 536 | while (my $cb = pop @unblock_queue) { |
541 | while (my $cb = pop @unblock_queue) { |
| 537 | # this is an inlined copy of async_pool |
542 | # this is an inlined copy of async_pool |
| 538 | my $coro = (pop @pool or new Coro \&pool_handler); |
543 | my $coro = (pop @pool or new Coro \&pool_handler); |
| 539 | |
544 | |
