… | |
… | |
38 | |
38 | |
39 | =cut |
39 | =cut |
40 | |
40 | |
41 | package Coro::Event; |
41 | package Coro::Event; |
42 | |
42 | |
43 | no warnings; |
43 | no warnings qw(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(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); |
52 | @EXPORT = qw(loop unloop sweep reschedule); |
53 | |
53 | |
|
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54 | BEGIN { |
54 | $VERSION = 0.45; |
55 | $VERSION = 0.45; |
|
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56 | |
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57 | local $^W = 0; # avoid redefine warning for Coro::ready |
|
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58 | require XSLoader; |
|
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59 | XSLoader::load Coro::Event, $VERSION; |
|
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60 | } |
55 | |
61 | |
56 | =item $w = Coro::Event->flavour(args...) |
62 | =item $w = Coro::Event->flavour(args...) |
57 | |
63 | |
58 | Create and return a watcher of the given type. |
64 | Create and return a watcher of the given type. |
59 | |
65 | |
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76 | method. This is less efficient then calling the constructor once and the |
82 | method. This is less efficient then calling the constructor once and the |
77 | next method often, but it does save typing sometimes. |
83 | next method often, but it does save typing sometimes. |
78 | |
84 | |
79 | =cut |
85 | =cut |
80 | |
86 | |
81 | #Event->add_hooks(prepare => sub { |
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82 | # &Coro::cede while &Coro::nready; |
|
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83 | # 1e6; |
|
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84 | #}); |
|
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85 | |
|
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86 | sub std_cb { |
|
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87 | my $w = $_[0]->w; |
|
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88 | my $q = $w->private; |
|
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89 | $q->[1] = $_[0]; |
|
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90 | if ($q->[0]) { # somebody waiting? |
|
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91 | $q->[0]->ready; |
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92 | &Coro::schedule; |
|
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93 | } else { |
|
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94 | $w->stop; |
|
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95 | } |
|
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96 | } |
|
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97 | |
|
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98 | for my $flavour (qw(idle var timer io signal)) { |
87 | for my $flavour (qw(idle var timer io signal)) { |
99 | push @EXPORT, "do_$flavour"; |
88 | push @EXPORT, "do_$flavour"; |
100 | my $new = \&{"Event::$flavour"}; |
89 | my $new = \&{"Event::$flavour"}; |
101 | my $class = "Coro::Event::$flavour"; |
90 | my $class = "Coro::Event::$flavour"; |
|
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91 | my $type = $flavour eq "io" ? 1 : 0; |
102 | @{"${class}::ISA"} = (Coro::Event::, "Event::$flavour"); |
92 | @{"${class}::ISA"} = (Coro::Event::, "Event::$flavour"); |
103 | my $coronew = sub { |
93 | my $coronew = sub { |
104 | # how does one do method-call-by-name? |
94 | # how does one do method-call-by-name? |
105 | # my $w = $class->SUPER::$flavour(@_); |
95 | # my $w = $class->SUPER::$flavour(@_); |
106 | |
96 | |
… | |
… | |
109 | |
99 | |
110 | my $q = []; # [$coro, $event] |
100 | my $q = []; # [$coro, $event] |
111 | my $w = $new->( |
101 | my $w = $new->( |
112 | desc => $flavour, |
102 | desc => $flavour, |
113 | @_, |
103 | @_, |
114 | cb => \&std_cb, |
104 | parked => 1, |
115 | ); |
105 | ); |
116 | $w->private($q); # using private as attribute is pretty useless... |
106 | _install_std_cb($w, $type); |
117 | bless $w, $class; # reblessing due to broken Event |
107 | bless $w, $class; # reblessing due to broken Event |
118 | }; |
108 | }; |
119 | *{ $flavour } = $coronew; |
109 | *{ $flavour } = $coronew; |
120 | *{"do_$flavour"} = sub { |
110 | *{"do_$flavour"} = sub { |
121 | unshift @_, Coro::Event::; |
111 | unshift @_, Coro::Event::; |
122 | my $e = (&$coronew)->next; |
112 | my $e = (&$coronew)->next; |
123 | $e->w->cancel; |
113 | $e->cancel; # $e = $e->w |
124 | $e; |
114 | $e; |
125 | }; |
115 | }; |
126 | } |
116 | } |
127 | |
117 | |
|
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118 | # double calls to avoid stack-cloning ;() |
|
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119 | # is about 10% slower, though. |
128 | sub next { |
120 | sub next($) { |
129 | my $w = $_[0]; |
121 | &Coro::schedule if &_next; $_[0]; |
130 | my $q = $w->private; |
|
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131 | if ($q->[1]) { # event waiting? |
|
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132 | $w->again unless $w->is_cancelled; |
|
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133 | } elsif ($q->[0]) { |
|
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134 | croak "only one coroutine can wait for an event"; |
|
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135 | } else { |
|
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136 | local $q->[0] = $Coro::current; |
|
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137 | &Coro::schedule; |
|
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138 | } |
|
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139 | pop @$q; |
|
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140 | } |
122 | } |
|
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123 | |
|
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124 | sub Coro::Event::w { $_[0] } |
|
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125 | sub Coro::Event::prio { $_[0]{Coro::Event}[3] } |
|
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126 | sub Coro::Event::hits { $_[0]{Coro::Event}[4] } |
|
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127 | sub Coro::Event::got { $_[0]{Coro::Event}[5] } |
141 | |
128 | |
142 | =item sweep |
129 | =item sweep |
143 | |
130 | |
144 | Similar to Event::one_event and Event::sweep: The idle task is called once |
131 | Similar to Event::one_event and Event::sweep: The idle task is called once |
145 | (this has the effect of jumping back into the Event loop once to serve new |
132 | (this has the effect of jumping back into the Event loop once to serve new |
… | |
… | |
151 | into the Event dispatcher. |
138 | into the Event dispatcher. |
152 | |
139 | |
153 | =cut |
140 | =cut |
154 | |
141 | |
155 | sub sweep { |
142 | sub sweep { |
156 | one_event(0); # for now |
143 | Event::one_event(0); # for now |
157 | } |
144 | } |
158 | |
145 | |
159 | =item $result = loop([$timeout]) |
146 | =item $result = loop([$timeout]) |
160 | |
147 | |
161 | This is the version of C<loop> you should use instead of C<Event::loop> |
148 | This is the version of C<loop> you should use instead of C<Event::loop> |