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81 | |
81 | |
82 | our $idle; # idle handler |
82 | our $idle; # idle handler |
83 | our $main; # main coro |
83 | our $main; # main coro |
84 | our $current; # current coro |
84 | our $current; # current coro |
85 | |
85 | |
86 | our $VERSION = 5.2; |
86 | our $VERSION = 5.24; |
87 | |
87 | |
88 | our @EXPORT = qw(async async_pool cede schedule terminate current unblock_sub rouse_cb rouse_wait); |
88 | our @EXPORT = qw(async async_pool cede schedule terminate current unblock_sub rouse_cb rouse_wait); |
89 | our %EXPORT_TAGS = ( |
89 | our %EXPORT_TAGS = ( |
90 | prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], |
90 | prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], |
91 | ); |
91 | ); |
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138 | |
138 | |
139 | See L<Coro::EV> or L<Coro::AnyEvent> for examples of using this technique. |
139 | See L<Coro::EV> or L<Coro::AnyEvent> for examples of using this technique. |
140 | |
140 | |
141 | =cut |
141 | =cut |
142 | |
142 | |
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143 | # ||= because other modules could have provided their own by now |
143 | $idle = new Coro sub { |
144 | $idle ||= new Coro sub { |
144 | require Coro::Debug; |
145 | require Coro::Debug; |
145 | die "FATAL: deadlock detected.\n" |
146 | die "FATAL: deadlock detected.\n" |
146 | . Coro::Debug::ps_listing (); |
147 | . Coro::Debug::ps_listing (); |
147 | }; |
148 | }; |
148 | |
149 | |
… | |
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665 | venerable L<Event|Event> module) are not thread-safe (a weaker form |
666 | venerable L<Event|Event> module) are not thread-safe (a weaker form |
666 | of reentrancy). This means you must not block within event callbacks, |
667 | of reentrancy). This means you must not block within event callbacks, |
667 | otherwise you might suffer from crashes or worse. The only event library |
668 | otherwise you might suffer from crashes or worse. The only event library |
668 | currently known that is safe to use without C<unblock_sub> is L<EV>. |
669 | currently known that is safe to use without C<unblock_sub> is L<EV>. |
669 | |
670 | |
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671 | Coro will try to catch you when you block in the event loop |
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672 | ("FATAL:$Coro::IDLE blocked itself"), but this is just best effort and |
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673 | only works when you do not run your own event loop. |
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674 | |
670 | This function allows your callbacks to block by executing them in another |
675 | This function allows your callbacks to block by executing them in another |
671 | coro where it is safe to block. One example where blocking is handy |
676 | coro where it is safe to block. One example where blocking is handy |
672 | is when you use the L<Coro::AIO|Coro::AIO> functions to save results to |
677 | is when you use the L<Coro::AIO|Coro::AIO> functions to save results to |
673 | disk, for example. |
678 | disk, for example. |
674 | |
679 | |