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Comparing AnyEvent/lib/AnyEvent.pm (file contents):
Revision 1.21 by root, Mon Dec 11 20:36:50 2006 UTC vs.
Revision 1.23 by root, Wed Mar 7 17:37:24 2007 UTC

… …
161 161
162=head2 SIGNAL WATCHERS 162=head2 SIGNAL WATCHERS
163 163
164You can listen for signals using a signal watcher, C<signal> is the signal 164You can listen for signals using a signal watcher, C<signal> is the signal
165I<name> without any C<SIG> prefix. Multiple signals events can be clumped 165I<name> without any C<SIG> prefix. Multiple signals events can be clumped
166together into one callback invocation, and callbakc invocation might or 166together into one callback invocation, and callback invocation might or
167might not be asynchronous. 167might not be asynchronous.
168 168
169These watchers might use C<%SIG>, so programs overwriting those signals 169These watchers might use C<%SIG>, so programs overwriting those signals
170directly will likely not work correctly. 170directly will likely not work correctly.
171 171
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247 247
248no warnings; 248no warnings;
249use strict; 249use strict;
250use Carp; 250use Carp;
251 251
252our $VERSION = '2.51'; 252our $VERSION = '2.52';
253our $MODEL; 253our $MODEL;
254 254
255our $AUTOLOAD; 255our $AUTOLOAD;
256our @ISA; 256our @ISA;
257 257
… …
386 or Carp::croak "required option 'pid' is missing"; 386 or Carp::croak "required option 'pid' is missing";
387 387
388 $PID_CB{$pid}{$arg{cb}} = $arg{cb}; 388 $PID_CB{$pid}{$arg{cb}} = $arg{cb};
389 389
390 unless ($WNOHANG) { 390 unless ($WNOHANG) {
391 $CHLD_W = AnyEvent->signal (signal => 'CHLD', cb => \&_child_wait);
392 $WNOHANG = eval { require POSIX; &POSIX::WNOHANG } || 1; 391 $WNOHANG = eval { require POSIX; &POSIX::WNOHANG } || 1;
393 } 392 }
394 393
394 unless ($CHLD_W) {
395 $CHLD_W = AnyEvent->signal (signal => 'CHLD', cb => \&_child_wait);
395 # child could be a zombie already 396 # child could be a zombie already
396 $PID_IDLE ||= AnyEvent->timer (after => 0, cb => \&_child_wait); 397 $PID_IDLE ||= AnyEvent->timer (after => 0, cb => \&_child_wait);
398 }
397 399
398 bless [$pid, $arg{cb}], "AnyEvent::Base::Child" 400 bless [$pid, $arg{cb}], "AnyEvent::Base::Child"
399} 401}
400 402
401sub AnyEvent::Base::Child::DESTROY { 403sub AnyEvent::Base::Child::DESTROY {

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