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Comparing Coro/Coro.pm (file contents):
Revision 1.133 by root, Fri Sep 21 01:23:58 2007 UTC vs.
Revision 1.137 by root, Wed Sep 26 19:26:48 2007 UTC

… …
155 # call all destruction callbacks 155 # call all destruction callbacks
156 $_->(@{$self->{status}}) 156 $_->(@{$self->{status}})
157 for @{(delete $self->{destroy_cb}) || []}; 157 for @{(delete $self->{destroy_cb}) || []};
158} 158}
159 159
160sub _do_trace {
161 $current->{_trace_cb}->();
162}
163
160# this coroutine is necessary because a coroutine 164# this coroutine is necessary because a coroutine
161# cannot destroy itself. 165# cannot destroy itself.
162my @destroy; 166my @destroy;
163my $manager; 167my $manager;
164 168
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227 231
228If you are concerned about pooled coroutines growing a lot because a 232If you are concerned about pooled coroutines growing a lot because a
229single C<async_pool> used a lot of stackspace you can e.g. C<async_pool 233single C<async_pool> used a lot of stackspace you can e.g. C<async_pool
230{ terminate }> once per second or so to slowly replenish the pool. In 234{ terminate }> once per second or so to slowly replenish the pool. In
231addition to that, when the stacks used by a handler grows larger than 16kb 235addition to that, when the stacks used by a handler grows larger than 16kb
232(adjustable with $Coro::MAX_POOL_RSS) it will also exit. 236(adjustable with $Coro::POOL_RSS) it will also exit.
233 237
234=cut 238=cut
235 239
236our $POOL_SIZE = 8; 240our $POOL_SIZE = 8;
237our $MAX_POOL_RSS = 16 * 1024; 241our $POOL_RSS = 16 * 1024;
238our @pool; 242our @async_pool;
239 243
240sub pool_handler { 244sub pool_handler {
245 my $cb;
246
241 while () { 247 while () {
242 $current->{desc} = "[async_pool]";
243
244 eval { 248 eval {
245 my ($cb, @arg) = @{ delete $current->{_invoke} or return }; 249 while () {
246 $cb->(@arg); 250 _pool_1 $cb;
251 &$cb;
252 _pool_2 $cb;
253 &schedule;
254 }
247 }; 255 };
256
257 last if $@ eq "\3terminate\2\n";
248 warn $@ if $@; 258 warn $@ if $@;
249
250 last if @pool >= $POOL_SIZE || $current->rss >= $MAX_POOL_RSS;
251
252 push @pool, $current;
253 $current->{desc} = "[async_pool idle]";
254 $current->save (Coro::State::SAVE_DEF);
255 $current->prio (0);
256 schedule;
257 } 259 }
258} 260}
259 261
260sub async_pool(&@) { 262sub async_pool(&@) {
261 # this is also inlined into the unlock_scheduler 263 # this is also inlined into the unlock_scheduler
262 my $coro = (pop @pool) || new Coro \&pool_handler;; 264 my $coro = (pop @async_pool) || new Coro \&pool_handler;
263 265
264 $coro->{_invoke} = [@_]; 266 $coro->{_invoke} = [@_];
265 $coro->ready; 267 $coro->ready;
266 268
267 $coro 269 $coro
… …
537# inside an event callback. 539# inside an event callback.
538our $unblock_scheduler = new Coro sub { 540our $unblock_scheduler = new Coro sub {
539 while () { 541 while () {
540 while (my $cb = pop @unblock_queue) { 542 while (my $cb = pop @unblock_queue) {
541 # this is an inlined copy of async_pool 543 # this is an inlined copy of async_pool
542 my $coro = (pop @pool or new Coro \&pool_handler); 544 my $coro = (pop @async_pool) || new Coro \&pool_handler;
543 545
544 $coro->{_invoke} = $cb; 546 $coro->{_invoke} = $cb;
545 $coro->ready; 547 $coro->ready;
546 cede; # for short-lived callbacks, this reduces pressure on the coro pool 548 cede; # for short-lived callbacks, this reduces pressure on the coro pool
547 } 549 }

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