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Comparing Coro/Event/Event.pm (file contents):
Revision 1.7 by root, Tue Oct 9 00:50:32 2001 UTC vs.
Revision 1.39 by root, Fri Nov 24 00:09:08 2006 UTC

… …
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
25This module enables you to create programs using the powerful Event model 25This 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
… …
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
31watcher constructors from Event is that you do not specify a callback 31watcher constructors from Event is that you do not specify a callback
32function - it will be managed by this module. 32function - it will be managed by this module.
33 33
34Your application should just create all necessary coroutines and then call 34Your application should just create all necessary coroutines and then call
35Coro::Event->main. 35Coro::Event::loop.
36
37Please note that even programs or modules (such as
38L<Coro::Handle|Coro::Handle>) that use "traditional"
39event-based/continuation style will run more efficient with this module
40then when using only Event.
36 41
37=over 4 42=over 4
38 43
39=cut 44=cut
40 45
41package Coro::Event; 46package Coro::Event;
42 47
43no warnings qw(uninitialized); 48BEGIN { eval { require warnings } && warnings->unimport ("uninitialized") }
44 49
45use Carp; 50use Carp;
51no warnings;
46 52
47use Coro; 53use Coro;
48use Event qw(unloop); # we are re-exporting this, cooool! 54use Event qw(loop unloop); # we are re-exporting this, cooool!
49 55
50use base 'Exporter'; 56use XSLoader;
51 57
58use base Exporter::;
59
52@EXPORT = qw(loop unloop sweep reschedule); 60our @EXPORT = qw(loop unloop sweep reschedule);
53 61
54BEGIN { 62BEGIN {
55 $VERSION = 0.45; 63 our $VERSION = 1.9;
56 64
57 local $^W = 0; # avoid redefine warning for Coro::ready 65 local $^W = 0; # avoid redefine warning for Coro::ready;
58 require XSLoader;
59 XSLoader::load Coro::Event, $VERSION; 66 XSLoader::load __PACKAGE__, $VERSION;
60} 67}
61 68
62=item $w = Coro::Event->flavour(args...) 69=item $w = Coro::Event->flavour(args...)
63 70
64Create and return a watcher of the given type. 71Create and return a watcher of the given type.
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92 @{"${class}::ISA"} = (Coro::Event::, "Event::$flavour"); 99 @{"${class}::ISA"} = (Coro::Event::, "Event::$flavour");
93 my $coronew = sub { 100 my $coronew = sub {
94 # how does one do method-call-by-name? 101 # how does one do method-call-by-name?
95 # my $w = $class->SUPER::$flavour(@_); 102 # my $w = $class->SUPER::$flavour(@_);
96 103
97 $_[0] eq Coro::Event:: 104 shift eq Coro::Event::
98 or croak "event constructor \"Coro::Event->$flavour\" must be called as a static method"; 105 or croak "event constructor \"Coro::Event->$flavour\" must be called as a static method";
99 106
100 my $q = []; # [$coro, $event]
101 my $w = $new->( 107 my $w = $new->($class,
102 desc => $flavour, 108 desc => $flavour,
103 @_, 109 @_,
104 parked => 1, 110 parked => 1,
105 ); 111 );
106 _install_std_cb($w, $type); 112 _install_std_cb($w, $type);
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108 }; 114 };
109 *{ $flavour } = $coronew; 115 *{ $flavour } = $coronew;
110 *{"do_$flavour"} = sub { 116 *{"do_$flavour"} = sub {
111 unshift @_, Coro::Event::; 117 unshift @_, Coro::Event::;
112 my $e = (&$coronew)->next; 118 my $e = (&$coronew)->next;
113 $e->cancel; # $e = $e->w 119 $e->cancel; # $e === $e->w
114 $e; 120 $e;
115 }; 121 };
116} 122}
117 123
118# double calls to avoid stack-cloning ;() 124# double calls to avoid stack-cloning ;()
… …
147 153
148This is the version of C<loop> you should use instead of C<Event::loop> 154This is the version of C<loop> you should use instead of C<Event::loop>
149when using this module - it will ensure correct scheduling in the presence 155when using this module - it will ensure correct scheduling in the presence
150of events. 156of events.
151 157
152=begin comment
153
154Unlike loop's counterpart it is not an error when no watchers are active -
155loop silently returns in this case, as if unloop(undef) were called.
156
157=end comment
158
159=cut
160
161sub loop(;$) {
162 local $Coro::idle = $Coro::current;
163 Coro::schedule; # become idle task, which is implicitly ready
164 &Event::loop;
165}
166
167=item unloop([$result]) 158=item unloop([$result])
168 159
169Same as Event::unloop (provided here for your convinience only). 160Same as Event::unloop (provided here for your convinience only).
170 161
171=cut 162=cut
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175 Event::one_event; # inefficient 166 Event::one_event; # inefficient
176 Coro::schedule; 167 Coro::schedule;
177 } 168 }
178}; 169};
179 170
171# provide hooks for Coro::Timer
172
173package Coro::Timer;
174
175unless ($override) {
176 $override = 1;
177 *_new_timer = sub {
178 Event->timer(at => $_[0], cb => $_[1]);
179 };
180}
181
1801; 1821;
183
184=back
181 185
182=head1 AUTHOR 186=head1 AUTHOR
183 187
184 Marc Lehmann <pcg@goof.com> 188 Marc Lehmann <schmorp@schmorp.de>
185 http://www.goof.com/pcg/marc/ 189 http://home.schmorp.de/
186 190
187=cut 191=cut
188 192

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