… | |
… | |
25 | }; |
25 | }; |
26 | |
26 | |
27 | my $w = EV::io \*STDIN, EV::READ | EV::PERSIST, sub { |
27 | my $w = EV::io \*STDIN, EV::READ | EV::PERSIST, sub { |
28 | my ($w, $events) = @_; # all callbacks get the watcher object and event mask |
28 | my ($w, $events) = @_; # all callbacks get the watcher object and event mask |
29 | if ($events & EV::TIMEOUT) { |
29 | if ($events & EV::TIMEOUT) { |
30 | warn "nothign received on stdin for 10 seconds, retrying"; |
30 | warn "nothing received on stdin for 10 seconds, retrying"; |
31 | } else { |
31 | } else { |
32 | warn "stdin is readable, you entered: ", <STDIN>; |
32 | warn "stdin is readable, you entered: ", <STDIN>; |
33 | } |
33 | } |
34 | }; |
34 | }; |
35 | $w->timeout (10); |
35 | $w->timeout (10); |
… | |
… | |
109 | |
109 | |
110 | As long as the returned watcher object is alive, call the C<$callback> |
110 | As long as the returned watcher object is alive, call the C<$callback> |
111 | when the events specified in C<$eventmask> happen. Initially, the timeout |
111 | when the events specified in C<$eventmask> happen. Initially, the timeout |
112 | is disabled. |
112 | is disabled. |
113 | |
113 | |
114 | Youc an additionall set a timeout to occur on the watcher, but note that |
114 | You can additionall set a timeout to occur on the watcher, but note that |
115 | this timeout will not be reset when you get an I/O event in the EV::PERSIST |
115 | this timeout will not be reset when you get an I/O event in the EV::PERSIST |
116 | case, and reaching a timeout will always stop the watcher even in the |
116 | case, and reaching a timeout will always stop the watcher even in the |
117 | EV::PERSIST case. |
117 | EV::PERSIST case. |
118 | |
118 | |
119 | If you want a timeout to occur only after a specific time of inactivity, set |
119 | If you want a timeout to occur only after a specific time of inactivity, set |
… | |
… | |
124 | EV::READ wait until read() wouldn't block anymore |
124 | EV::READ wait until read() wouldn't block anymore |
125 | EV::WRITE wait until write() wouldn't block anymore |
125 | EV::WRITE wait until write() wouldn't block anymore |
126 | EV::PERSIST stay active after a (non-timeout) event occured |
126 | EV::PERSIST stay active after a (non-timeout) event occured |
127 | |
127 | |
128 | The C<io_ns> variant doesn't add/start the newly created watcher. |
128 | The C<io_ns> variant doesn't add/start the newly created watcher. |
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129 | |
|
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130 | =item my $w = EV::timed_io $fileno_or_fh, $eventmask, $timeout, $callback |
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131 | |
|
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132 | =item my $w = EV::timed_io_ns $fileno_or_fh, $eventmask, $timeout, $callback |
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133 | |
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134 | Same as C<io> and C<io_ns>, but also specifies a timeout (as if there was |
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135 | a call to C<< $w->timeout ($timout, 1) >>. The persist flag is not allowed |
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136 | and will automatically be cleared. The watcher will be restarted after each event. |
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137 | |
|
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138 | If the timeout is zero or undef, no timeout will be set, and a normal |
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139 | watcher (with the persist flag set!) will be created. |
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140 | |
|
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141 | This has the effect of timing out after the specified period of inactivity |
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142 | has happened. |
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143 | |
|
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144 | Due to the design of libevent, this is also relatively inefficient, having |
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145 | one or two io watchers and a separate timeout watcher that you reset on |
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146 | activity (by calling its C<start> method) is usually more efficient. |
129 | |
147 | |
130 | =item my $w = EV::timer $after, $repeat, $callback |
148 | =item my $w = EV::timer $after, $repeat, $callback |
131 | |
149 | |
132 | =item my $w = EV::timer_ns $after, $repeat, $callback |
150 | =item my $w = EV::timer_ns $after, $repeat, $callback |
133 | |
151 | |
… | |
… | |
202 | |
220 | |
203 | =item $current_fh = $w->fh |
221 | =item $current_fh = $w->fh |
204 | |
222 | |
205 | =item $old_fh = $w->fh ($new_fh) |
223 | =item $old_fh = $w->fh ($new_fh) |
206 | |
224 | |
207 | Returns the previously set filehandle and optionally set a new one. |
225 | Returns the previously set filehandle and optionally set a new one (also |
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226 | clears the EV::SIGNAL flag when setting a filehandle). |
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227 | |
|
|
228 | =item $current_signal = $w->signal |
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229 | |
|
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230 | =item $old_signal = $w->signal ($new_signal) |
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231 | |
|
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232 | Returns the previously set signal number and optionally set a new one (also sets |
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233 | the EV::SIGNAL flag when setting a signal). |
208 | |
234 | |
209 | =item $current_eventmask = $w->events |
235 | =item $current_eventmask = $w->events |
210 | |
236 | |
211 | =item $old_eventmask = $w->events ($new_eventmask) |
237 | =item $old_eventmask = $w->events ($new_eventmask) |
212 | |
238 | |