| … | |
… | |
| 32 | |
32 | |
| 33 | =cut |
33 | =cut |
| 34 | |
34 | |
| 35 | package Coro; |
35 | package Coro; |
| 36 | |
36 | |
|
|
37 | no warnings qw(uninitialized); |
|
|
38 | |
| 37 | use Coro::State; |
39 | use Coro::State; |
| 38 | |
40 | |
| 39 | use base Exporter; |
41 | use base Exporter; |
| 40 | |
42 | |
| 41 | $VERSION = 0.49; |
43 | $VERSION = 0.5; |
| 42 | |
44 | |
| 43 | @EXPORT = qw(async cede schedule terminate current); |
45 | @EXPORT = qw(async cede schedule terminate current); |
| 44 | %EXPORT_TAGS = ( |
46 | %EXPORT_TAGS = ( |
| 45 | prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], |
47 | prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], |
| 46 | ); |
48 | ); |
| … | |
… | |
| 116 | # this coroutine is necessary because a coroutine |
118 | # this coroutine is necessary because a coroutine |
| 117 | # cannot destroy itself. |
119 | # cannot destroy itself. |
| 118 | my @destroy; |
120 | my @destroy; |
| 119 | my $manager = new Coro sub { |
121 | my $manager = new Coro sub { |
| 120 | while() { |
122 | while() { |
| 121 | delete ((pop @destroy)->{_coro_state}) while @destroy; |
123 | # by overwriting the state object with the manager we destroy it |
|
|
124 | # while still being able to schedule this coroutine (in case it has |
|
|
125 | # been readied multiple times. this is harmless since the manager |
|
|
126 | # can be called as many times as neccessary and will always |
|
|
127 | # remove itself from the runqueue |
|
|
128 | (pop @destroy)->{_coro_state} = $manager->{_coro_state} while @destroy; |
| 122 | &schedule; |
129 | &schedule; |
| 123 | } |
130 | } |
| 124 | }; |
131 | }; |
| 125 | |
132 | |
| 126 | # static methods. not really. |
133 | # static methods. not really. |
| … | |
… | |
| 229 | =cut |
236 | =cut |
| 230 | |
237 | |
| 231 | sub cancel { |
238 | sub cancel { |
| 232 | push @destroy, $_[0]; |
239 | push @destroy, $_[0]; |
| 233 | $manager->ready; |
240 | $manager->ready; |
|
|
241 | &schedule if $current == $_[0]; |
| 234 | } |
242 | } |
| 235 | |
243 | |
| 236 | =item $oldprio = $process->prio($newprio) |
244 | =item $oldprio = $process->prio($newprio) |
| 237 | |
245 | |
| 238 | Sets the priority of the process. Higher priority processes get run before |
246 | Sets the priority of the process. Higher priority processes get run before |
| … | |
… | |
| 279 | |
287 | |
| 280 | 1; |
288 | 1; |
| 281 | |
289 | |
| 282 | =head1 BUGS/LIMITATIONS |
290 | =head1 BUGS/LIMITATIONS |
| 283 | |
291 | |
| 284 | - could be faster, especially when the core would introduce special |
292 | - you must make very sure that no coro is still active on global destruction. |
| 285 | support for coroutines (like it does for threads). |
293 | very bad things might happen otherwise (usually segfaults). |
| 286 | - there is still a memleak on coroutine termination that I could not |
|
|
| 287 | identify. Could be as small as a single SV. |
|
|
| 288 | - this module is not well-tested. |
|
|
| 289 | - if variables or arguments "disappear" (become undef) or become |
|
|
| 290 | corrupted please contact the author so he cen iron out the |
|
|
| 291 | remaining bugs. |
|
|
| 292 | - this module is not thread-safe. You must only ever use this module from |
294 | - this module is not thread-safe. You must only ever use this module from |
| 293 | the same thread (this requirement might be loosened in the future to |
295 | the same thread (this requirement might be loosened in the future to |
| 294 | allow per-thread schedulers, but Coro::State does not yet allow this). |
296 | allow per-thread schedulers, but Coro::State does not yet allow this). |
| 295 | |
297 | |
| 296 | =head1 SEE ALSO |
298 | =head1 SEE ALSO |
