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Comparing AnyEvent/lib/AnyEvent.pm (file contents):
Revision 1.25 by root, Wed Apr 11 00:36:59 2007 UTC vs.
Revision 1.31 by root, Fri Nov 2 19:20:36 2007 UTC

… …
174 my $w = AnyEvent->signal (signal => "INT", cb => sub { exit 1 }); 174 my $w = AnyEvent->signal (signal => "INT", cb => sub { exit 1 });
175 175
176=head2 CHILD PROCESS WATCHERS 176=head2 CHILD PROCESS WATCHERS
177 177
178You can also listen for the status of a child process specified by the 178You can also listen for the status of a child process specified by the
179C<pid> argument. The watcher will only trigger once. This works by 179C<pid> argument (or any child if the pid argument is 0). The watcher will
180trigger as often as status change for the child are received. This works
180installing a signal handler for C<SIGCHLD>. 181by installing a signal handler for C<SIGCHLD>.
181 182
182Example: wait for pid 1333 183Example: wait for pid 1333
183 184
184 my $w = AnyEvent->child (pid => 1333, cb => sub { warn "exit status $?" }); 185 my $w = AnyEvent->child (pid => 1333, cb => sub { warn "exit status $?" });
185 186
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195C<AnyEvent::Impl:xxx> modules, but can be any other class in the case 196C<AnyEvent::Impl:xxx> modules, but can be any other class in the case
196AnyEvent has been extended at runtime (e.g. in I<rxvt-unicode>). 197AnyEvent has been extended at runtime (e.g. in I<rxvt-unicode>).
197 198
198The known classes so far are: 199The known classes so far are:
199 200
201 EV::AnyEvent based on EV (an interface to libev, best choice)
200 AnyEvent::Impl::Coro based on Coro::Event, best choise. 202 AnyEvent::Impl::Coro based on Coro::Event, second best choice.
201 AnyEvent::Impl::Event based on Event, also best choice :) 203 AnyEvent::Impl::Event based on Event, also second best choice :)
202 AnyEvent::Impl::Glib based on Glib, second-best choice. 204 AnyEvent::Impl::Glib based on Glib, second-best choice.
203 AnyEvent::Impl::Tk based on Tk, very bad choice. 205 AnyEvent::Impl::Tk based on Tk, very bad choice.
204 AnyEvent::Impl::Perl pure-perl implementation, inefficient. 206 AnyEvent::Impl::Perl pure-perl implementation, inefficient.
205 207
206=item AnyEvent::detect 208=item AnyEvent::detect
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248no warnings; 250no warnings;
249use strict; 251use strict;
250 252
251use Carp; 253use Carp;
252 254
253our $VERSION = '2.52'; 255our $VERSION = '2.55';
254our $MODEL; 256our $MODEL;
255 257
256our $AUTOLOAD; 258our $AUTOLOAD;
257our @ISA; 259our @ISA;
258 260
… …
260 262
261our @REGISTRY; 263our @REGISTRY;
262 264
263my @models = ( 265my @models = (
264 [Coro::Event:: => AnyEvent::Impl::Coro::], 266 [Coro::Event:: => AnyEvent::Impl::Coro::],
267 [EV:: => EV::AnyEvent::],
265 [Event:: => AnyEvent::Impl::Event::], 268 [Event:: => AnyEvent::Impl::Event::],
266 [Glib:: => AnyEvent::Impl::Glib::], 269 [Glib:: => AnyEvent::Impl::Glib::],
267 [Tk:: => AnyEvent::Impl::Tk::], 270 [Tk:: => AnyEvent::Impl::Tk::],
268 [AnyEvent::Impl::Perl:: => AnyEvent::Impl::Perl::], 271 [AnyEvent::Impl::Perl:: => AnyEvent::Impl::Perl::],
269); 272);
… …
372our $PID_IDLE; 375our $PID_IDLE;
373our $WNOHANG; 376our $WNOHANG;
374 377
375sub _child_wait { 378sub _child_wait {
376 while (0 < (my $pid = waitpid -1, $WNOHANG)) { 379 while (0 < (my $pid = waitpid -1, $WNOHANG)) {
377 $_->() for values %{ (delete $PID_CB{$pid}) || {} }; 380 $_->() for (values %{ $PID_CB{$pid} || {} }),
381 (values %{ $PID_CB{0} || {} });
378 } 382 }
379 383
380 undef $PID_IDLE; 384 undef $PID_IDLE;
381} 385}
382 386
383sub child { 387sub child {
384 my (undef, %arg) = @_; 388 my (undef, %arg) = @_;
385 389
386 my $pid = uc $arg{pid} 390 defined (my $pid = $arg{pid} + 0)
387 or Carp::croak "required option 'pid' is missing"; 391 or Carp::croak "required option 'pid' is missing";
388 392
389 $PID_CB{$pid}{$arg{cb}} = $arg{cb}; 393 $PID_CB{$pid}{$arg{cb}} = $arg{cb};
390 394
391 unless ($WNOHANG) { 395 unless ($WNOHANG) {

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