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/cvs/cvsroot/Coro/Coro.pm
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Comparing cvsroot/Coro/Coro.pm (file contents):
Revision 1.135 by root, Sat Sep 22 22:39:15 2007 UTC vs.
Revision 1.142 by root, Tue Oct 2 23:16:24 2007 UTC

50 50
51our $idle; # idle handler 51our $idle; # idle handler
52our $main; # main coroutine 52our $main; # main coroutine
53our $current; # current coroutine 53our $current; # current coroutine
54 54
55our $VERSION = '3.7'; 55our $VERSION = '3.8';
56 56
57our @EXPORT = qw(async async_pool cede schedule terminate current unblock_sub); 57our @EXPORT = qw(async async_pool cede schedule terminate current unblock_sub);
58our %EXPORT_TAGS = ( 58our %EXPORT_TAGS = (
59 prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], 59 prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)],
60); 60);
116=cut 116=cut
117 117
118$main->{desc} = "[main::]"; 118$main->{desc} = "[main::]";
119 119
120# maybe some other module used Coro::Specific before... 120# maybe some other module used Coro::Specific before...
121$main->{specific} = $current->{specific} 121$main->{_specific} = $current->{_specific}
122 if $current; 122 if $current;
123 123
124_set_current $main; 124_set_current $main;
125 125
126sub current() { $current } 126sub current() { $current }
151 # free coroutine data and mark as destructed 151 # free coroutine data and mark as destructed
152 $self->_destroy 152 $self->_destroy
153 or return; 153 or return;
154 154
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->{_on_destroy}) || []};
158} 158}
159 159
160# this coroutine is necessary because a coroutine 160# this coroutine is necessary because a coroutine
161# cannot destroy itself. 161# cannot destroy itself.
162my @destroy; 162my @destroy;
241 my $cb; 241 my $cb;
242 242
243 while () { 243 while () {
244 eval { 244 eval {
245 while () { 245 while () {
246# &{&_pool_1 or &terminate}; # crashes, would be ~5% faster
247 $cb = &_pool_1 246 _pool_1 $cb;
248 or &terminate;
249 &$cb; 247 &$cb;
250 undef $cb; 248 _pool_2 $cb;
251 &terminate if &_pool_2;
252 &schedule; 249 &schedule;
253 } 250 }
254 }; 251 };
255 252
253 last if $@ eq "\3terminate\2\n";
256 warn $@ if $@; 254 warn $@ if $@;
257 } 255 }
258} 256}
259 257
260sub async_pool(&@) { 258sub async_pool(&@) {
310 308
311=item terminate [arg...] 309=item terminate [arg...]
312 310
313Terminates the current coroutine with the given status values (see L<cancel>). 311Terminates the current coroutine with the given status values (see L<cancel>).
314 312
313=item killall
314
315Kills/terminates/cancels all coroutines except the currently running
316one. This is useful after a fork, either in the child or the parent, as
317usually only one of them should inherit the running coroutines.
318
315=cut 319=cut
316 320
317sub terminate { 321sub terminate {
318 $current->cancel (@_); 322 $current->cancel (@_);
323}
324
325sub killall {
326 for (Coro::State::list) {
327 $_->cancel
328 if $_ != $current && UNIVERSAL::isa $_, "Coro";
329 }
319} 330}
320 331
321=back 332=back
322 333
323# dynamic methods 334# dynamic methods
367 378
368=cut 379=cut
369 380
370sub cancel { 381sub cancel {
371 my $self = shift; 382 my $self = shift;
372 $self->{status} = [@_]; 383 $self->{_status} = [@_];
373 384
374 if ($current == $self) { 385 if ($current == $self) {
375 push @destroy, $self; 386 push @destroy, $self;
376 $manager->ready; 387 $manager->ready;
377 &schedule while 1; 388 &schedule while 1;
389=cut 400=cut
390 401
391sub join { 402sub join {
392 my $self = shift; 403 my $self = shift;
393 404
394 unless ($self->{status}) { 405 unless ($self->{_status}) {
395 my $current = $current; 406 my $current = $current;
396 407
397 push @{$self->{destroy_cb}}, sub { 408 push @{$self->{_on_destroy}}, sub {
398 $current->ready; 409 $current->ready;
399 undef $current; 410 undef $current;
400 }; 411 };
401 412
402 &schedule while $current; 413 &schedule while $current;
403 } 414 }
404 415
405 wantarray ? @{$self->{status}} : $self->{status}[0]; 416 wantarray ? @{$self->{_status}} : $self->{_status}[0];
406} 417}
407 418
408=item $coroutine->on_destroy (\&cb) 419=item $coroutine->on_destroy (\&cb)
409 420
410Registers a callback that is called when this coroutine gets destroyed, 421Registers a callback that is called when this coroutine gets destroyed,
414=cut 425=cut
415 426
416sub on_destroy { 427sub on_destroy {
417 my ($self, $cb) = @_; 428 my ($self, $cb) = @_;
418 429
419 push @{ $self->{destroy_cb} }, $cb; 430 push @{ $self->{_on_destroy} }, $cb;
420} 431}
421 432
422=item $oldprio = $coroutine->prio ($newprio) 433=item $oldprio = $coroutine->prio ($newprio)
423 434
424Sets (or gets, if the argument is missing) the priority of the 435Sets (or gets, if the argument is missing) the priority of the
448 459
449=item $olddesc = $coroutine->desc ($newdesc) 460=item $olddesc = $coroutine->desc ($newdesc)
450 461
451Sets (or gets in case the argument is missing) the description for this 462Sets (or gets in case the argument is missing) the description for this
452coroutine. This is just a free-form string you can associate with a coroutine. 463coroutine. This is just a free-form string you can associate with a coroutine.
464
465This method simply sets the C<< $coroutine->{desc} >> member to the given string. You
466can modify this member directly if you wish.
453 467
454=cut 468=cut
455 469
456sub desc { 470sub desc {
457 my $old = $_[0]{desc}; 471 my $old = $_[0]{desc};

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