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6 | |
6 | |
7 | use Coro; |
7 | use Coro; |
8 | use Coro::Event; |
8 | use Coro::Event; |
9 | |
9 | |
10 | sub keyboard : Coro { |
10 | sub keyboard : Coro { |
11 | my $w = Coro::Event->io(fd => *STDIN, poll => 'r'); |
11 | my $w = Coro::Event->io(fd => \*STDIN, poll => 'r'); |
12 | while() { |
12 | while() { |
13 | print "cmd> "; |
13 | print "cmd> "; |
14 | my $ev = $w->next; my $cmd = <STDIN>; |
14 | my $ev = $w->next; my $cmd = <STDIN>; |
15 | unloop unless $cmd ne ""; |
15 | unloop unless $cmd ne ""; |
16 | print "data> "; |
16 | print "data> "; |
17 | my $ev = $w->next; my $data = <STDIN>; |
17 | my $ev = $w->next; my $data = <STDIN>; |
18 | } |
18 | } |
19 | } |
19 | } |
20 | |
20 | |
21 | &loop; |
21 | loop; |
22 | |
22 | |
23 | =head1 DESCRIPTION |
23 | =head1 DESCRIPTION |
24 | |
24 | |
25 | This module enables you to create programs using the powerful Event model |
25 | This module enables you to create programs using the powerful Event model |
26 | (and module), while retaining the linear style known from simple or |
26 | (and module), while retaining the linear style known from simple or |
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… | |
30 | (I<flavour>) (see L<Event>). The only difference between these and the |
30 | (I<flavour>) (see L<Event>). The only difference between these and the |
31 | watcher constructors from Event is that you do not specify a callback |
31 | watcher constructors from Event is that you do not specify a callback |
32 | function - it will be managed by this module. |
32 | function - it will be managed by this module. |
33 | |
33 | |
34 | Your application should just create all necessary coroutines and then call |
34 | Your application should just create all necessary coroutines and then call |
35 | Coro::Event->main. |
35 | Coro::Event::loop. |
36 | |
36 | |
37 | =over 4 |
37 | =over 4 |
38 | |
38 | |
39 | =cut |
39 | =cut |
40 | |
40 | |
41 | package Coro::Event; |
41 | package Coro::Event; |
42 | |
42 | |
43 | no warnings qw(uninitialized); |
43 | BEGIN { eval { require warnings } && warnings->unimport ("uninitialized") } |
44 | |
44 | |
45 | use Carp; |
45 | use Carp; |
46 | |
46 | |
47 | use Coro; |
47 | use Coro; |
48 | use Event qw(unloop); # we are re-exporting this, cooool! |
48 | use Event qw(loop unloop); # we are re-exporting this, cooool! |
49 | |
49 | |
50 | use base 'Exporter'; |
50 | use base 'Exporter'; |
51 | |
51 | |
52 | @EXPORT = qw(loop unloop sweep reschedule); |
52 | @EXPORT = qw(loop unloop sweep reschedule); |
53 | |
53 | |
54 | BEGIN { |
54 | BEGIN { |
55 | $VERSION = 0.45; |
55 | $VERSION = 1.0; |
56 | |
56 | |
57 | local $^W = 0; # avoid redefine warning for Coro::ready |
57 | local $^W = 0; # avoid redefine warning for Coro::ready; |
|
|
58 | |
58 | require XSLoader; |
59 | require DynaLoader; |
59 | XSLoader::load Coro::Event, $VERSION; |
60 | push @ISA, 'DynaLoader'; |
|
|
61 | bootstrap Coro::Event $VERSION; |
60 | } |
62 | } |
61 | |
63 | |
62 | =item $w = Coro::Event->flavour(args...) |
64 | =item $w = Coro::Event->flavour(args...) |
63 | |
65 | |
64 | Create and return a watcher of the given type. |
66 | Create and return a watcher of the given type. |
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92 | @{"${class}::ISA"} = (Coro::Event::, "Event::$flavour"); |
94 | @{"${class}::ISA"} = (Coro::Event::, "Event::$flavour"); |
93 | my $coronew = sub { |
95 | my $coronew = sub { |
94 | # how does one do method-call-by-name? |
96 | # how does one do method-call-by-name? |
95 | # my $w = $class->SUPER::$flavour(@_); |
97 | # my $w = $class->SUPER::$flavour(@_); |
96 | |
98 | |
97 | $_[0] eq Coro::Event:: |
99 | shift eq Coro::Event:: |
98 | or croak "event constructor \"Coro::Event->$flavour\" must be called as a static method"; |
100 | or croak "event constructor \"Coro::Event->$flavour\" must be called as a static method"; |
99 | |
101 | |
100 | my $q = []; # [$coro, $event] |
|
|
101 | my $w = $new->( |
102 | my $w = $new->($class, |
102 | desc => $flavour, |
103 | desc => $flavour, |
103 | @_, |
104 | @_, |
104 | parked => 1, |
105 | parked => 1, |
105 | ); |
106 | ); |
106 | _install_std_cb($w, $type); |
107 | _install_std_cb($w, $type); |
… | |
… | |
108 | }; |
109 | }; |
109 | *{ $flavour } = $coronew; |
110 | *{ $flavour } = $coronew; |
110 | *{"do_$flavour"} = sub { |
111 | *{"do_$flavour"} = sub { |
111 | unshift @_, Coro::Event::; |
112 | unshift @_, Coro::Event::; |
112 | my $e = (&$coronew)->next; |
113 | my $e = (&$coronew)->next; |
113 | $e->cancel; # $e = $e->w |
114 | $e->cancel; # $e === $e->w |
114 | $e; |
115 | $e; |
115 | }; |
116 | }; |
116 | } |
117 | } |
117 | |
118 | |
118 | # double calls to avoid stack-cloning ;() |
119 | # double calls to avoid stack-cloning ;() |
… | |
… | |
156 | |
157 | |
157 | =end comment |
158 | =end comment |
158 | |
159 | |
159 | =cut |
160 | =cut |
160 | |
161 | |
|
|
162 | # no longer do something special - it's done internally now |
|
|
163 | |
161 | sub loop(;$) { |
164 | #sub loop(;$) { |
162 | local $Coro::idle = $Coro::current; |
165 | # #local $Coro::idle = $Coro::current; |
163 | Coro::schedule; # become idle task, which is implicitly ready |
166 | # #Coro::schedule; # become idle task, which is implicitly ready |
164 | &Event::loop; |
167 | # &Event::loop; |
165 | } |
168 | #} |
166 | |
169 | |
167 | =item unloop([$result]) |
170 | =item unloop([$result]) |
168 | |
171 | |
169 | Same as Event::unloop (provided here for your convinience only). |
172 | Same as Event::unloop (provided here for your convinience only). |
170 | |
173 | |
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175 | Event::one_event; # inefficient |
178 | Event::one_event; # inefficient |
176 | Coro::schedule; |
179 | Coro::schedule; |
177 | } |
180 | } |
178 | }; |
181 | }; |
179 | |
182 | |
|
|
183 | # provide hooks for Coro::Timer |
|
|
184 | |
|
|
185 | package Coro::Timer; |
|
|
186 | |
|
|
187 | unless ($override) { |
|
|
188 | $override = 1; |
|
|
189 | *_new_timer = sub { |
|
|
190 | Event->timer(at => $_[0], cb => $_[1]); |
|
|
191 | }; |
|
|
192 | } |
|
|
193 | |
180 | 1; |
194 | 1; |
181 | |
195 | |
182 | =head1 AUTHOR |
196 | =head1 AUTHOR |
183 | |
197 | |
184 | Marc Lehmann <pcg@goof.com> |
198 | Marc Lehmann <pcg@goof.com> |
185 | http://www.goof.com/pcg/marc/ |
199 | http://home.schmorp.de/ |
186 | |
200 | |
187 | =cut |
201 | =cut |
188 | |
202 | |