… | |
… | |
19 | cede; |
19 | cede; |
20 | |
20 | |
21 | =head1 DESCRIPTION |
21 | =head1 DESCRIPTION |
22 | |
22 | |
23 | This module collection manages coroutines. Coroutines are similar to |
23 | This module collection manages coroutines. Coroutines are similar to |
24 | Threads but don't run in parallel. |
24 | threads but don't run in parallel. |
25 | |
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26 | This module is still experimental, see the BUGS section below. |
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27 | |
25 | |
28 | In this module, coroutines are defined as "callchain + lexical variables |
26 | In this module, coroutines are defined as "callchain + lexical variables |
29 | + @_ + $_ + $@ + $^W + C stack), that is, a coroutine has it's own |
27 | + @_ + $_ + $@ + $^W + C stack), that is, a coroutine has it's own |
30 | callchain, it's own set of lexicals and it's own set of perl's most |
28 | callchain, it's own set of lexicals and it's own set of perl's most |
31 | important global variables. |
29 | important global variables. |
… | |
… | |
38 | |
36 | |
39 | use Coro::State; |
37 | use Coro::State; |
40 | |
38 | |
41 | use base Exporter; |
39 | use base Exporter; |
42 | |
40 | |
43 | $VERSION = 0.52; |
41 | $VERSION = 0.652; |
44 | |
42 | |
45 | @EXPORT = qw(async cede schedule terminate current); |
43 | @EXPORT = qw(async cede schedule terminate current); |
46 | %EXPORT_TAGS = ( |
44 | %EXPORT_TAGS = ( |
47 | prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], |
45 | prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], |
48 | ); |
46 | ); |
… | |
… | |
77 | }; |
75 | }; |
78 | } |
76 | } |
79 | |
77 | |
80 | } |
78 | } |
81 | |
79 | |
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80 | =over 4 |
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81 | |
82 | =item $main |
82 | =item $main |
83 | |
83 | |
84 | This coroutine represents the main program. |
84 | This coroutine represents the main program. |
85 | |
85 | |
86 | =cut |
86 | =cut |
… | |
… | |
136 | } |
136 | } |
137 | }; |
137 | }; |
138 | |
138 | |
139 | # static methods. not really. |
139 | # static methods. not really. |
140 | |
140 | |
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141 | =back |
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142 | |
141 | =head2 STATIC METHODS |
143 | =head2 STATIC METHODS |
142 | |
144 | |
143 | Static methods are actually functions that operate on the current process only. |
145 | Static methods are actually functions that operate on the current process only. |
144 | |
146 | |
145 | =over 4 |
147 | =over 4 |
… | |
… | |
265 | |
267 | |
266 | =item $oldprio = $process->prio($newprio) |
268 | =item $oldprio = $process->prio($newprio) |
267 | |
269 | |
268 | Sets (or gets, if the argument is missing) the priority of the |
270 | Sets (or gets, if the argument is missing) the priority of the |
269 | process. Higher priority processes get run before lower priority |
271 | process. Higher priority processes get run before lower priority |
270 | processes. Priorities are smalled signed integer (currently -4 .. +3), |
272 | processes. Priorities are small signed integers (currently -4 .. +3), |
271 | that you can refer to using PRIO_xxx constants (use the import tag :prio |
273 | that you can refer to using PRIO_xxx constants (use the import tag :prio |
272 | to get then): |
274 | to get then): |
273 | |
275 | |
274 | PRIO_MAX > PRIO_HIGH > PRIO_NORMAL > PRIO_LOW > PRIO_IDLE > PRIO_MIN |
276 | PRIO_MAX > PRIO_HIGH > PRIO_NORMAL > PRIO_LOW > PRIO_IDLE > PRIO_MIN |
275 | 3 > 1 > 0 > -1 > -3 > -4 |
277 | 3 > 1 > 0 > -1 > -3 > -4 |
… | |
… | |
323 | |
325 | |
324 | 1; |
326 | 1; |
325 | |
327 | |
326 | =head1 BUGS/LIMITATIONS |
328 | =head1 BUGS/LIMITATIONS |
327 | |
329 | |
328 | - you must make very sure that no coro is still active on global destruction. |
330 | - you must make very sure that no coro is still active on global |
329 | very bad things might happen otherwise (usually segfaults). |
331 | destruction. very bad things might happen otherwise (usually segfaults |
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332 | or "panic: top_env"). |
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333 | |
330 | - this module is not thread-safe. You must only ever use this module from |
334 | - this module is not thread-safe. You should only ever use this module |
331 | the same thread (this requirement might be loosened in the future to |
335 | from the same thread (this requirement might be losened in the future |
332 | allow per-thread schedulers, but Coro::State does not yet allow this). |
336 | to allow per-thread schedulers, but Coro::State does not yet allow |
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|
337 | this). |
333 | |
338 | |
334 | =head1 SEE ALSO |
339 | =head1 SEE ALSO |
335 | |
340 | |
336 | L<Coro::Channel>, L<Coro::Cont>, L<Coro::Specific>, L<Coro::Semaphore>, |
341 | L<Coro::Channel>, L<Coro::Cont>, L<Coro::Specific>, L<Coro::Semaphore>, |
337 | L<Coro::Signal>, L<Coro::State>, L<Coro::Event>, L<Coro::RWLock>, |
342 | L<Coro::Signal>, L<Coro::State>, L<Coro::Event>, L<Coro::RWLock>, |