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32 | |
32 | |
33 | =cut |
33 | =cut |
34 | |
34 | |
35 | package Coro; |
35 | package Coro; |
36 | |
36 | |
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37 | no warnings qw(uninitialized); |
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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 | ); |
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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 |
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124 | # while still being able to schedule this coroutine (in case it has |
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125 | # been readied multiple times. this is harmless since the manager |
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126 | # can be called as many times as neccessary and will always |
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127 | # remove itself from the runqueue |
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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. |
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… | |
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; |
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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 |