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Comparing Coro/Coro.pm (file contents):
Revision 1.61 by pcg, Fri May 14 13:25:08 2004 UTC vs.
Revision 1.82 by root, Fri Nov 24 13:40:36 2006 UTC

… …
30 30
31=cut 31=cut
32 32
33package Coro; 33package Coro;
34 34
35BEGIN { eval { require warnings } && warnings->unimport ("uninitialized") } 35use strict;
36no warnings "uninitialized";
36 37
37use Coro::State; 38use Coro::State;
38 39
39use vars qw($idle $main $current);
40
41use base Exporter; 40use base Exporter::;
42 41
43$VERSION = 0.97; 42our $idle; # idle coroutine
43our $main; # main coroutine
44our $current; # current coroutine
44 45
46our $VERSION = '2.5';
47
45@EXPORT = qw(async cede schedule terminate current); 48our @EXPORT = qw(async cede schedule terminate current);
46%EXPORT_TAGS = ( 49our %EXPORT_TAGS = (
47 prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], 50 prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)],
48); 51);
49@EXPORT_OK = @{$EXPORT_TAGS{prio}}; 52our @EXPORT_OK = @{$EXPORT_TAGS{prio}};
50 53
51{ 54{
52 my @async; 55 my @async;
53 my $init; 56 my $init;
54 57
55 # this way of handling attributes simply is NOT scalable ;() 58 # this way of handling attributes simply is NOT scalable ;()
56 sub import { 59 sub import {
60 no strict 'refs';
61
57 Coro->export_to_level(1, @_); 62 Coro->export_to_level(1, @_);
63
58 my $old = *{(caller)[0]."::MODIFY_CODE_ATTRIBUTES"}{CODE}; 64 my $old = *{(caller)[0]."::MODIFY_CODE_ATTRIBUTES"}{CODE};
59 *{(caller)[0]."::MODIFY_CODE_ATTRIBUTES"} = sub { 65 *{(caller)[0]."::MODIFY_CODE_ATTRIBUTES"} = sub {
60 my ($package, $ref) = (shift, shift); 66 my ($package, $ref) = (shift, shift);
61 my @attrs; 67 my @attrs;
62 for (@_) { 68 for (@_) {
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135 141
136 # the next line destroys the _coro_state, but keeps the 142 # the next line destroys the _coro_state, but keeps the
137 # process itself intact (we basically make it a zombie 143 # process itself intact (we basically make it a zombie
138 # process that always runs the manager thread, so it's possible 144 # process that always runs the manager thread, so it's possible
139 # to transfer() to this process). 145 # to transfer() to this process).
140 $coro->{_coro_state} = $manager->{_coro_state}; 146 $coro->{_coro_state}->_clone_state_from ($manager->{_coro_state});
141 } 147 }
142 &schedule; 148 &schedule;
143 } 149 }
144}; 150};
145 151
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156=item async { ... } [@args...] 162=item async { ... } [@args...]
157 163
158Create a new asynchronous process and return it's process object 164Create a new asynchronous process and return it's process object
159(usually unused). When the sub returns the new process is automatically 165(usually unused). When the sub returns the new process is automatically
160terminated. 166terminated.
167
168When the coroutine dies, the program will exit, just as in the main
169program.
161 170
162 # create a new coroutine that just prints its arguments 171 # create a new coroutine that just prints its arguments
163 async { 172 async {
164 print "@_\n"; 173 print "@_\n";
165 } 1,2,3,4; 174 } 1,2,3,4;
… …
223} 232}
224 233
225sub new { 234sub new {
226 my $class = shift; 235 my $class = shift;
227 bless { 236 bless {
228 _coro_state => (new Coro::State $_[0] && \&_newcoro, @_), 237 _coro_state => (new Coro::State \&_newcoro, @_),
229 }, $class; 238 }, $class;
230} 239}
231 240
232=item $process->ready 241=item $process->ready
233 242
… …
235 244
236=cut 245=cut
237 246
238=item $process->cancel (arg...) 247=item $process->cancel (arg...)
239 248
240Temrinates the given process and makes it return the given arguments as 249Terminates the given process and makes it return the given arguments as
241status (default: the empty list). 250status (default: the empty list).
242 251
243=cut 252=cut
244 253
245sub cancel { 254sub cancel {
… …
265 &schedule; 274 &schedule;
266 } 275 }
267 wantarray ? @{$self->{status}} : $self->{status}[0]; 276 wantarray ? @{$self->{status}} : $self->{status}[0];
268} 277}
269 278
270=item $oldprio = $process->prio($newprio) 279=item $oldprio = $process->prio ($newprio)
271 280
272Sets (or gets, if the argument is missing) the priority of the 281Sets (or gets, if the argument is missing) the priority of the
273process. Higher priority processes get run before lower priority 282process. Higher priority processes get run before lower priority
274processes. Priorities are small signed integers (currently -4 .. +3), 283processes. Priorities are small signed integers (currently -4 .. +3),
275that you can refer to using PRIO_xxx constants (use the import tag :prio 284that you can refer to using PRIO_xxx constants (use the import tag :prio
… …
290process). This is a bug that will be fixed in some future version. 299process). This is a bug that will be fixed in some future version.
291 300
292=cut 301=cut
293 302
294sub prio { 303sub prio {
295 my $old = $_[0]{prio}; 304 shift->{_coro_state}->prio (@_)
296 $_[0]{prio} = $_[1] if @_ > 1;
297 $old;
298} 305}
299 306
300=item $newprio = $process->nice($change) 307=item $newprio = $process->nice ($change)
301 308
302Similar to C<prio>, but subtract the given value from the priority (i.e. 309Similar to C<prio>, but subtract the given value from the priority (i.e.
303higher values mean lower priority, just as in unix). 310higher values mean lower priority, just as in unix).
304 311
305=cut 312=cut
306 313
307sub nice { 314sub nice {
308 $_[0]{prio} -= $_[1]; 315 shift->{_coro_state}->nice (@_)
309} 316}
310 317
311=item $olddesc = $process->desc($newdesc) 318=item $olddesc = $process->desc ($newdesc)
312 319
313Sets (or gets in case the argument is missing) the description for this 320Sets (or gets in case the argument is missing) the description for this
314process. This is just a free-form string you can associate with a process. 321process. This is just a free-form string you can associate with a process.
315 322
316=cut 323=cut
… …
337 to allow per-thread schedulers, but Coro::State does not yet allow 344 to allow per-thread schedulers, but Coro::State does not yet allow
338 this). 345 this).
339 346
340=head1 SEE ALSO 347=head1 SEE ALSO
341 348
342L<Coro::Channel>, L<Coro::Cont>, L<Coro::Specific>, L<Coro::Semaphore>, 349Support/Utility: L<Coro::Cont>, L<Coro::Specific>, L<Coro::State>, L<Coro::Util>.
343L<Coro::Signal>, L<Coro::State>, L<Coro::Timer>, L<Coro::Event>, 350
344L<Coro::L<Coro::RWLock>, Handle>, L<Coro::Socket>. 351Locking/IPC: L<Coro::Signal>, L<Coro::Channel>, L<Coro::Semaphore>, L<Coro::SemaphoreSet>, L<Coro::RWLock>.
352
353Event/IO: L<Coro::Timer>, L<Coro::Event>, L<Coro::Handle>, L<Coro::Socket>, L<Coro::Select>.
354
355Embedding: L<Coro:MakeMaker>
345 356
346=head1 AUTHOR 357=head1 AUTHOR
347 358
348 Marc Lehmann <pcg@goof.com> 359 Marc Lehmann <schmorp@schmorp.de>
349 http://www.goof.com/pcg/marc/ 360 http://home.schmorp.de/
350 361
351=cut 362=cut
352 363

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