ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/AnyEvent/lib/AnyEvent.pm
(Generate patch)

Comparing AnyEvent/lib/AnyEvent.pm (file contents):
Revision 1.21 by root, Mon Dec 11 20:36:50 2006 UTC vs.
Revision 1.26 by root, Sun Jul 8 08:52:10 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
… …
245 245
246package AnyEvent; 246package AnyEvent;
247 247
248no warnings; 248no warnings;
249use strict; 249use strict;
250
250use Carp; 251use Carp;
251 252
252our $VERSION = '2.51'; 253our $VERSION = '2.53';
253our $MODEL; 254our $MODEL;
254 255
255our $AUTOLOAD; 256our $AUTOLOAD;
256our @ISA; 257our @ISA;
257 258
… …
386 or Carp::croak "required option 'pid' is missing"; 387 or Carp::croak "required option 'pid' is missing";
387 388
388 $PID_CB{$pid}{$arg{cb}} = $arg{cb}; 389 $PID_CB{$pid}{$arg{cb}} = $arg{cb};
389 390
390 unless ($WNOHANG) { 391 unless ($WNOHANG) {
391 $CHLD_W = AnyEvent->signal (signal => 'CHLD', cb => \&_child_wait);
392 $WNOHANG = eval { require POSIX; &POSIX::WNOHANG } || 1; 392 $WNOHANG = eval { require POSIX; &POSIX::WNOHANG } || 1;
393 } 393 }
394 394
395 unless ($CHLD_W) {
396 $CHLD_W = AnyEvent->signal (signal => 'CHLD', cb => \&_child_wait);
395 # child could be a zombie already 397 # child could be a zombie already
396 $PID_IDLE ||= AnyEvent->timer (after => 0, cb => \&_child_wait); 398 $PID_IDLE ||= AnyEvent->timer (after => 0, cb => \&_child_wait);
399 }
397 400
398 bless [$pid, $arg{cb}], "AnyEvent::Base::Child" 401 bless [$pid, $arg{cb}], "AnyEvent::Base::Child"
399} 402}
400 403
401sub AnyEvent::Base::Child::DESTROY { 404sub AnyEvent::Base::Child::DESTROY {
… …
437I<rxvt-unicode> distribution. 440I<rxvt-unicode> distribution.
438 441
439I<rxvt-unicode> also cheats a bit by not providing blocking access to 442I<rxvt-unicode> also cheats a bit by not providing blocking access to
440condition variables: code blocking while waiting for a condition will 443condition variables: code blocking while waiting for a condition will
441C<die>. This still works with most modules/usages, and blocking calls must 444C<die>. This still works with most modules/usages, and blocking calls must
442not be in an interactive appliation, so it makes sense. 445not be in an interactive application, so it makes sense.
443 446
444=head1 ENVIRONMENT VARIABLES 447=head1 ENVIRONMENT VARIABLES
445 448
446The following environment variables are used by this module: 449The following environment variables are used by this module:
447 450

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines