[ViewVC] Diff of: cvs/EV/EV.pm

Comparing EV/EV.pm (file contents):
Revision 1.57 by root, Wed Nov 28 17:32:24 2007 UTC vs.
Revision 1.75 by root, Fri Dec 21 10:36:22 2007 UTC

…		…
58	This module provides an interface to libev	58	This module provides an interface to libev
59	(L<http://software.schmorp.de/pkg/libev.html>). While the documentation	59	(L<http://software.schmorp.de/pkg/libev.html>). While the documentation
60	below is comprehensive, one might also consult the documentation of libev	60	below is comprehensive, one might also consult the documentation of libev
61	itself (L<http://cvs.schmorp.de/libev/ev.html>) for more subtle details on	61	itself (L<http://cvs.schmorp.de/libev/ev.html>) for more subtle details on
62	watcher semantics or some discussion on the available backends, or how to	62	watcher semantics or some discussion on the available backends, or how to
63	force a specific backend with C<LIBEV_FLAGS>.	63	force a specific backend with C<LIBEV_FLAGS>, or just about in any case
		64	because it has much more detailed information.
64		65
65	=cut	66	=cut
66		67
67	package EV;	68	package EV;
68		69
69	use strict;	70	use strict;
70		71
71	BEGIN {	72	BEGIN {
72	our $VERSION = '1.4';	73	our $VERSION = '2.0';
73	use XSLoader;	74	use XSLoader;
74	XSLoader::load "EV", $VERSION;	75	XSLoader::load "EV", $VERSION;
75	}	76	}
76		77
77	@EV::IO::ISA =	78	@EV::IO::ISA =
…		…
85	@EV::Check::ISA =	86	@EV::Check::ISA =
86	@EV::Embed::ISA =	87	@EV::Embed::ISA =
87	@EV::Fork::ISA =	88	@EV::Fork::ISA =
88	"EV::Watcher";	89	"EV::Watcher";
89		90
		91	@EV::Loop::Default::ISA = "EV::Loop";
		92
		93	=head1 EVENT LOOPS
		94
		95	EV supports multiple event loops: There is a single "default event loop"
		96	that can handle everything including signals and child watchers, and any
		97	number of "dynamic event loops" that can use different backends (with
		98	various limitations), but no child and signal watchers.
		99
		100	You do not have to do anything to create the default event loop: When
		101	the module is loaded a suitable backend is selected on the premise of
		102	selecting a working backend (which for example rules out kqueue on most
		103	BSDs). Modules should, unless they have "special needs" always use the
		104	default loop as this is fastest (perl-wise), best supported by other
		105	modules (e.g. AnyEvent or Coro) and most portable event loop.
		106
		107	For specific programs you cna create additional event loops dynamically.
		108
		109	=over 4
		110
		111	=item $loop = new EV::loop [$flags]
		112
		113	Create a new event loop as per the specified flags. Please refer to the
		114	C<ev_loop_new ()> function description in the libev documentation
		115	(L<http://pod.tst.eu/http://cvs.schmorp.de/libev/ev.pod#GLOBAL_FUNCTIONS>)
		116	for more info.
		117
		118	The loop will automatically be destroyed when it is no longer referenced
		119	by any watcher and the loop object goes out of scope.
		120
		121	Using C<EV::FLAG_FORKCHECK> is recommended, as only the default event loop
		122	is protected by this module.
		123
		124	=item $loop->loop_fork
		125
		126	Must be called after a fork in the child, before entering or continuing
		127	the event loop. An alternative is to use C<EV::FLAG_FORKCHECK> which calls
		128	this fucntion automatically, at some performance loss (refer to the libev
		129	documentation).
		130
		131	=back
		132
		133
90	=head1 BASIC INTERFACE	134	=head1 BASIC INTERFACE
91		135
92	=over 4	136	=over 4
93		137
94	=item $EV::DIED	138	=item $EV::DIED
95		139
96	Must contain a reference to a function that is called when a callback	140	Must contain a reference to a function that is called when a callback
97	throws an exception (with $@ containing thr error). The default prints an	141	throws an exception (with $@ containing the error). The default prints an
98	informative message and continues.	142	informative message and continues.
99		143
100	If this callback throws an exception it will be silently ignored.	144	If this callback throws an exception it will be silently ignored.
101		145
102	=item $time = EV::time	146	=item $time = EV::time
103		147
104	Returns the current time in (fractional) seconds since the epoch.	148	Returns the current time in (fractional) seconds since the epoch.
105		149
106	=item $time = EV::now	150	=item $time = EV::now
		151
		152	=item $time = $loop->now
107		153
108	Returns the time the last event loop iteration has been started. This	154	Returns the time the last event loop iteration has been started. This
109	is the time that (relative) timers are based on, and refering to it is	155	is the time that (relative) timers are based on, and refering to it is
110	usually faster then calling EV::time.	156	usually faster then calling EV::time.
111		157
112	=item $method = EV::method	158	=item $backend = EV::backend
		159
		160	=item $backend = $loop->backend
113		161
114	Returns an integer describing the backend used by libev (EV::METHOD_SELECT	162	Returns an integer describing the backend used by libev (EV::METHOD_SELECT
115	or EV::METHOD_EPOLL).	163	or EV::METHOD_EPOLL).
116		164
117	=item EV::loop [$flags]	165	=item EV::loop [$flags]
		166
		167	=item $loop->loop ([$flags])
118		168
119	Begin checking for events and calling callbacks. It returns when a	169	Begin checking for events and calling callbacks. It returns when a
120	callback calls EV::unloop.	170	callback calls EV::unloop.
121		171
122	The $flags argument can be one of the following:	172	The $flags argument can be one of the following:
…		…
125	EV::LOOP_ONESHOT block at most once (wait, but do not loop)	175	EV::LOOP_ONESHOT block at most once (wait, but do not loop)
126	EV::LOOP_NONBLOCK do not block at all (fetch/handle events but do not wait)	176	EV::LOOP_NONBLOCK do not block at all (fetch/handle events but do not wait)
127		177
128	=item EV::unloop [$how]	178	=item EV::unloop [$how]
129		179
		180	=item $loop->unloop ([$how])
		181
130	When called with no arguments or an argument of EV::UNLOOP_ONE, makes the	182	When called with no arguments or an argument of EV::UNLOOP_ONE, makes the
131	innermost call to EV::loop return.	183	innermost call to EV::loop return.
132		184
133	When called with an argument of EV::UNLOOP_ALL, all calls to EV::loop will return as	185	When called with an argument of EV::UNLOOP_ALL, all calls to EV::loop will return as
134	fast as possible.	186	fast as possible.
135		187
		188	=item $count = EV::loop_count
		189
		190	=item $count = $loop->loop_count
		191
		192	Return the number of times the event loop has polled for new
		193	events. Sometiems useful as a generation counter.
		194
136	=item EV::once $fh_or_undef, $events, $timeout, $cb->($revents)	195	=item EV::once $fh_or_undef, $events, $timeout, $cb->($revents)
		196
		197	=item $loop->once ($fh_or_undef, $events, $timeout, $cb->($revents))
137		198
138	This function rolls together an I/O and a timer watcher for a single	199	This function rolls together an I/O and a timer watcher for a single
139	one-shot event without the need for managing a watcher object.	200	one-shot event without the need for managing a watcher object.
140		201
141	If C<$fh_or_undef> is a filehandle or file descriptor, then C<$events>	202	If C<$fh_or_undef> is a filehandle or file descriptor, then C<$events>
…		…
154		215
155	EV::once doesn't return anything: the watchers stay active till either	216	EV::once doesn't return anything: the watchers stay active till either
156	of them triggers, then they will be stopped and freed, and the callback	217	of them triggers, then they will be stopped and freed, and the callback
157	invoked.	218	invoked.
158		219
159	=back	220	=item EV::feed_fd_event ($fd, $revents)
160		221
		222	=item $loop->feed_fd_event ($fd, $revents)
		223
		224	Feed an event on a file descriptor into EV. EV will react to this call as
		225	if the readyness notifications specified by C<$revents> (a combination of
		226	C<EV::READ> and C<EV::WRITE>) happened on the file descriptor C<$fd>.
		227
		228	=item EV::feed_signal_event ($signal)
		229
		230	Feed a signal event into EV. EV will react to this call as if the signal
		231	specified by C<$signal> had occured.
		232
		233	=back
		234
		235
161	=head2 WATCHER OBJECTS	236	=head1 WATCHER OBJECTS
162		237
163	A watcher is an object that gets created to record your interest in some	238	A watcher is an object that gets created to record your interest in some
164	event. For instance, if you want to wait for STDIN to become readable, you	239	event. For instance, if you want to wait for STDIN to become readable, you
165	would create an EV::io watcher for that:	240	would create an EV::io watcher for that:
166		241
…		…
175	events.	250	events.
176		251
177	Each watcher type has its associated bit in revents, so you can use the	252	Each watcher type has its associated bit in revents, so you can use the
178	same callback for multiple watchers. The event mask is named after the	253	same callback for multiple watchers. The event mask is named after the
179	type, i..e. EV::child sets EV::CHILD, EV::prepare sets EV::PREPARE,	254	type, i..e. EV::child sets EV::CHILD, EV::prepare sets EV::PREPARE,
180	EV::periodic sets EV::PERIODIC and so on, with the exception of IO events	255	EV::periodic sets EV::PERIODIC and so on, with the exception of I/O events
181	(which can set both EV::READ and EV::WRITE bits), and EV::timer (which	256	(which can set both EV::READ and EV::WRITE bits), and EV::timer (which
182	uses EV::TIMEOUT).	257	uses EV::TIMEOUT).
183		258
184	In the rare case where one wants to create a watcher but not start it at	259	In the rare case where one wants to create a watcher but not start it at
185	the same time, each constructor has a variant with a trailing C<_ns> in	260	the same time, each constructor has a variant with a trailing C<_ns> in
…		…
207		282
208	=item $w->stop	283	=item $w->stop
209		284
210	Stop a watcher if it is active. Also clear any pending events (events that	285	Stop a watcher if it is active. Also clear any pending events (events that
211	have been received but that didn't yet result in a callback invocation),	286	have been received but that didn't yet result in a callback invocation),
212	regardless of wether the watcher was active or not.	287	regardless of whether the watcher was active or not.
213		288
214	=item $bool = $w->is_active	289	=item $bool = $w->is_active
215		290
216	Returns true if the watcher is active, false otherwise.	291	Returns true if the watcher is active, false otherwise.
217		292
…		…
247	The default priority of any newly-created watcher is 0.	322	The default priority of any newly-created watcher is 0.
248		323
249	Note that the priority semantics have not yet been fleshed out and are	324	Note that the priority semantics have not yet been fleshed out and are
250	subject to almost certain change.	325	subject to almost certain change.
251		326
252	=item $w->trigger ($revents)	327	=item $w->invoke ($revents)
253		328
254	Call the callback now with the given event mask.	329	Call the callback now with the given event mask.
		330
		331	=item $w->feed_event ($revents)
		332
		333	Feed some events on this watcher into EV. EV will react to this call as if
		334	the watcher had received the given C<$revents> mask.
		335
		336	=item $revents = $w->clear_pending
		337
		338	If the watcher is pending, this function returns clears its pending status
		339	and returns its C<$revents> bitset (as if its callback was invoked). If the
		340	watcher isn't pending it does nothing and returns C<0>.
255		341
256	=item $previous_state = $w->keepalive ($bool)	342	=item $previous_state = $w->keepalive ($bool)
257		343
258	Normally, C<EV::loop> will return when there are no active watchers	344	Normally, C<EV::loop> will return when there are no active watchers
259	(which is a "deadlock" because no progress can be made anymore). This is	345	(which is a "deadlock" because no progress can be made anymore). This is
…		…
272	though your watcher is active, it won't keep C<EV::loop> from returning.	358	though your watcher is active, it won't keep C<EV::loop> from returning.
273		359
274	The initial value for keepalive is true (enabled), and you cna change it	360	The initial value for keepalive is true (enabled), and you cna change it
275	any time.	361	any time.
276		362
277	Example: Register an IO watcher for some UDP socket but do not keep the	363	Example: Register an I/O watcher for some UDP socket but do not keep the
278	event loop from running just because of that watcher.	364	event loop from running just because of that watcher.
279		365
280	my $udp_socket = ...	366	my $udp_socket = ...
281	my $udp_watcher = EV::io $udp_socket, EV::READ, sub { ... };	367	my $udp_watcher = EV::io $udp_socket, EV::READ, sub { ... };
282	$udp_watcher->keepalive (0);	368	$1000udp_watcher->keepalive (0);
283		369
284	=back	370	=item $loop = $w->loop
285		371
		372	Return the loop that this watcher is attached to.
286		373
		374	=back
		375
		376
287	=head2 WATCHER TYPES	377	=head1 WATCHER TYPES
288		378
289	Each of the following subsections describes a single watcher type.	379	Each of the following subsections describes a single watcher type.
290		380
291	=head3 IO WATCHERS - is this file descriptor readable or writable?	381	=head3 I/O WATCHERS - is this file descriptor readable or writable?
292		382
293	=over 4	383	=over 4
294		384
295	=item $w = EV::io $fileno_or_fh, $eventmask, $callback	385	=item $w = EV::io $fileno_or_fh, $eventmask, $callback
296		386
297	=item $w = EV::io_ns $fileno_or_fh, $eventmask, $callback	387	=item $w = EV::io_ns $fileno_or_fh, $eventmask, $callback
		388
		389	=item $w = $loop->io 8$fileno_or_fh, $eventmask, $callback)
		390
		391	=item $w = $loop->io_ns ($fileno_or_fh, $eventmask, $callback)
298		392
299	As long as the returned watcher object is alive, call the C<$callback>	393	As long as the returned watcher object is alive, call the C<$callback>
300	when at least one of events specified in C<$eventmask> occurs.	394	when at least one of events specified in C<$eventmask> occurs.
301		395
302	The $eventmask can be one or more of these constants ORed together:	396	The $eventmask can be one or more of these constants ORed together:
…		…
331	=over 4	425	=over 4
332		426
333	=item $w = EV::timer $after, $repeat, $callback	427	=item $w = EV::timer $after, $repeat, $callback
334		428
335	=item $w = EV::timer_ns $after, $repeat, $callback	429	=item $w = EV::timer_ns $after, $repeat, $callback
		430
		431	=item $w = $loop->timer ($after, $repeat, $callback)
		432
		433	=item $w = $loop->timer_ns ($after, $repeat, $callback)
336		434
337	Calls the callback after C<$after> seconds (which may be fractional). If	435	Calls the callback after C<$after> seconds (which may be fractional). If
338	C<$repeat> is non-zero, the timer will be restarted (with the $repeat	436	C<$repeat> is non-zero, the timer will be restarted (with the $repeat
339	value as $after) after the callback returns.	437	value as $after) after the callback returns.
340		438
…		…
381	=over 4	479	=over 4
382		480
383	=item $w = EV::periodic $at, $interval, $reschedule_cb, $callback	481	=item $w = EV::periodic $at, $interval, $reschedule_cb, $callback
384		482
385	=item $w = EV::periodic_ns $at, $interval, $reschedule_cb, $callback	483	=item $w = EV::periodic_ns $at, $interval, $reschedule_cb, $callback
		484
		485	=item $w = $loop->periodic ($at, $interval, $reschedule_cb, $callback)
		486
		487	=item $w = $loop->periodic_ns ($at, $interval, $reschedule_cb, $callback)
386		488
387	Similar to EV::timer, but is not based on relative timeouts but on	489	Similar to EV::timer, but is not based on relative timeouts but on
388	absolute times. Apart from creating "simple" timers that trigger "at" the	490	absolute times. Apart from creating "simple" timers that trigger "at" the
389	specified time, it can also be used for non-drifting absolute timers and	491	specified time, it can also be used for non-drifting absolute timers and
390	more complex, cron-like, setups that are not adversely affected by time	492	more complex, cron-like, setups that are not adversely affected by time
…		…
465		567
466	=item $w->again	568	=item $w->again
467		569
468	Simply stops and starts the watcher again.	570	Simply stops and starts the watcher again.
469		571
		572	=item $time = $w->at
		573
		574	Return the time that the watcher is expected to trigger next.
		575
470	=back	576	=back
471		577
472		578
473	=head3 SIGNAL WATCHERS - signal me when a signal gets signalled!	579	=head3 SIGNAL WATCHERS - signal me when a signal gets signalled!
474		580
…		…
511		617
512	=item $w = EV::child $pid, $callback	618	=item $w = EV::child $pid, $callback
513		619
514	=item $w = EV::child_ns $pid, $callback	620	=item $w = EV::child_ns $pid, $callback
515		621
		622	=item $w = $loop->child ($pid, $callback)
		623
		624	=item $w = $loop->child_ns ($pid, $callback)
		625
516	Call the callback when a status change for pid C<$pid> (or any pid if	626	Call the callback when a status change for pid C<$pid> (or any pid if
517	C<$pid> is 0) has been received. More precisely: when the process receives	627	C<$pid> is 0) has been received. More precisely: when the process receives
518	a C<SIGCHLD>, EV will fetch the outstanding exit/wait status for all	628	a C<SIGCHLD>, EV will fetch the outstanding exit/wait status for all
519	changed/zombie children and call the callback.	629	changed/zombie children and call the callback.
520		630
…		…
561		671
562	=item $w = EV::stat $path, $interval, $callback	672	=item $w = EV::stat $path, $interval, $callback
563		673
564	=item $w = EV::stat_ns $path, $interval, $callback	674	=item $w = EV::stat_ns $path, $interval, $callback
565		675
		676	=item $w = $loop->stat ($path, $interval, $callback)
		677
		678	=item $w = $loop->stat_ns ($path, $interval, $callback)
		679
566	Call the callback when a file status change has been detected on	680	Call the callback when a file status change has been detected on
567	C<$path>. The C<$path> does not need to exist, changing from "path exists"	681	C<$path>. The C<$path> does not need to exist, changing from "path exists"
568	to "path does not exist" is a status change like any other.	682	to "path does not exist" is a status change like any other.
569		683
570	The C<$interval> is a recommended polling interval for systems where	684	The C<$interval> is a recommended polling interval for systems where
…		…
640		754
641	=item $w = EV::idle $callback	755	=item $w = EV::idle $callback
642		756
643	=item $w = EV::idle_ns $callback	757	=item $w = EV::idle_ns $callback
644		758
645	Call the callback when there are no pending io, timer/periodic, signal or	759	=item $w = $loop->idle ($callback)
646	child events, i.e. when the process is idle.	760
		761	=item $w = $loop->idle_ns ($callback)
		762
		763	Call the callback when there are no other pending watchers of the same or
		764	higher priority (excluding check, prepare and other idle watchers of the
		765	same or lower priority, of course). They are called idle watchers because
		766	when the watcher is the highest priority pending event in the process, the
		767	process is considered to be idle at that priority.
		768
		769	If you want a watcher that is only ever called when I<no> other events are
		770	outstanding you have to set the priority to C<EV::MINPRI>.
647		771
648	The process will not block as long as any idle watchers are active, and	772	The process will not block as long as any idle watchers are active, and
649	they will be called repeatedly until stopped.	773	they will be called repeatedly until stopped.
650		774
		775	For example, if you have idle watchers at priority C<0> and C<1>, and
		776	an I/O watcher at priority C<0>, then the idle watcher at priority C<1>
		777	and the I/O watcher will always run when ready. Only when the idle watcher
		778	at priority C<1> is stopped and the I/O watcher at priority C<0> is not
		779	pending with the C<0>-priority idle watcher be invoked.
		780
651	The C<idle_ns> variant doesn't start (activate) the newly created watcher.	781	The C<idle_ns> variant doesn't start (activate) the newly created watcher.
652		782
653	=back	783	=back
654		784
655		785
…		…
658	=over 4	788	=over 4
659		789
660	=item $w = EV::prepare $callback	790	=item $w = EV::prepare $callback
661		791
662	=item $w = EV::prepare_ns $callback	792	=item $w = EV::prepare_ns $callback
		793
		794	=item $w = $loop->prepare ($callback)
		795
		796	=item $w = $loop->prepare_ns 8$callback)
663		797
664	Call the callback just before the process would block. You can still	798	Call the callback just before the process would block. You can still
665	create/modify any watchers at this point.	799	create/modify any watchers at this point.
666		800
667	See the EV::check watcher, below, for explanations and an example.	801	See the EV::check watcher, below, for explanations and an example.
…		…
676	=over 4	810	=over 4
677		811
678	=item $w = EV::check $callback	812	=item $w = EV::check $callback
679		813
680	=item $w = EV::check_ns $callback	814	=item $w = EV::check_ns $callback
		815
		816	=item $w = $loop->check ($callback)
		817
		818	=item $w = $loop->check_ns ($callback)
681		819
682	Call the callback just after the process wakes up again (after it has	820	Call the callback just after the process wakes up again (after it has
683	gathered events), but before any other callbacks have been invoked.	821	gathered events), but before any other callbacks have been invoked.
684		822
685	This is used to integrate other event-based software into the EV	823	This is used to integrate other event-based software into the EV
…		…
695	or return;	833	or return;
696		834
697	# make the dispatcher handle any outstanding stuff	835	# make the dispatcher handle any outstanding stuff
698	... not shown	836	... not shown
699		837
700	# create an IO watcher for each and every socket	838	# create an I/O watcher for each and every socket
701	@snmp_watcher = (	839	@snmp_watcher = (
702	(map { EV::io $_, EV::READ, sub { } }	840	(map { EV::io $_, EV::READ, sub { } }
703	keys %{ $dispatcher->{_descriptors} }),	841	keys %{ $dispatcher->{_descriptors} }),
704		842
705	EV::timer +($event->[Net::SNMP::Dispatcher::_ACTIVE]	843	EV::timer +($event->[Net::SNMP::Dispatcher::_ACTIVE]
…		…
740		878
741	=item $w = EV::fork $callback	879	=item $w = EV::fork $callback
742		880
743	=item $w = EV::fork_ns $callback	881	=item $w = EV::fork_ns $callback
744		882
		883	=item $w = $loop->fork ($callback)
		884
		885	=item $w = $loop->fork_ns ($callback)
		886
745	Call the callback before the event loop is resumed in the child process	887	Call the callback before the event loop is resumed in the child process
746	after a fork.	888	after a fork.
747		889
748	The C<fork_ns> variant doesn't start (activate) the newly created watcher.	890	The C<fork_ns> variant doesn't start (activate) the newly created watcher.
749		891
750	=back	892	=back
751		893
		894
		895	=head1 PERL SIGNALS
		896
		897	While Perl signal handling (C<%SIG>) is not affected by EV, the behaviour
		898	with EV is as the same as any other C library: Perl-signals will only be
		899	handled when Perl runs, which means your signal handler might be invoked
		900	only the next time an event callback is invoked.
		901
		902	The solution is to use EV signal watchers (see C<EV::signal>), which will
		903	ensure proper operations with regards to other event watchers.
		904
		905	If you cannot do this for whatever reason, you can also force a watcher
		906	to be called on every event loop iteration by installing a C<EV::check>
		907	watcher:
		908
		909	my $async_check = EV::check sub { };
		910
		911	This ensures that perl gets into control for a short time to handle any
		912	pending signals, and also ensures (slightly) slower overall operation.
752		913
753	=head1 THREADS	914	=head1 THREADS
754		915
755	Threads are not supported by this module in any way. Perl pseudo-threads	916	Threads are not supported by this module in any way. Perl pseudo-threads
756	is evil stuff and must die. As soon as Perl gains real threads I will work	917	is evil stuff and must die. As soon as Perl gains real threads I will work
…		…
778	our $DIED = sub {	939	our $DIED = sub {
779	warn "EV: error in callback (ignoring): $@";	940	warn "EV: error in callback (ignoring): $@";
780	};	941	};
781		942
782	default_loop	943	default_loop
783	or die 'EV: cannot initialise libev backend. bad $ENV{LIBEV_METHODS}?';	944	or die 'EV: cannot initialise libev backend. bad $ENV{LIBEV_FLAGS}?';
784		945
785	1;	946	1;
786		947
787	=head1 SEE ALSO	948	=head1 SEE ALSO
788		949
789	L<EV::DNS>.	950	L<EV::ADNS> (asynchronous DNS), L<Glib::EV> (makes Glib/Gtk2 use EV as
		951	event loop), L<EV::Glib> (embed Glib into EV), L<Coro::EV> (efficient
		952	coroutines with EV), L<Net::SNMP::EV> (asynchronous SNMP).
790		953
791	=head1 AUTHOR	954	=head1 AUTHOR
792		955
793	Marc Lehmann <schmorp@schmorp.de>	956	Marc Lehmann <schmorp@schmorp.de>
794	http://home.schmorp.de/	957	http://home.schmorp.de/

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Comparing EV/EV.pm (file contents): Revision 1.57 by root, Wed Nov 28 17:32:24 2007 UTC vs. Revision 1.75 by root, Fri Dec 21 10:36:22 2007 UTC

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Comparing EV/EV.pm (file contents):
Revision 1.57 by root, Wed Nov 28 17:32:24 2007 UTC vs.
Revision 1.75 by root, Fri Dec 21 10:36:22 2007 UTC