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Comparing Coro/Coro.pm (file contents):
Revision 1.39 by root, Tue Oct 9 00:39:08 2001 UTC vs.
Revision 1.41 by root, Tue Nov 6 20:34:09 2001 UTC

… …
38 38
39use Coro::State; 39use Coro::State;
40 40
41use base Exporter; 41use base Exporter;
42 42
43$VERSION = 0.51; 43$VERSION = 0.52;
44 44
45@EXPORT = qw(async cede schedule terminate current); 45@EXPORT = qw(async cede schedule terminate current);
46%EXPORT_TAGS = ( 46%EXPORT_TAGS = (
47 prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], 47 prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)],
48); 48);
… …
124 # by overwriting the state object with the manager we destroy it 124 # by overwriting the state object with the manager we destroy it
125 # while still being able to schedule this coroutine (in case it has 125 # while still being able to schedule this coroutine (in case it has
126 # been readied multiple times. this is harmless since the manager 126 # been readied multiple times. this is harmless since the manager
127 # can be called as many times as neccessary and will always 127 # can be called as many times as neccessary and will always
128 # remove itself from the runqueue 128 # remove itself from the runqueue
129 while (@destroy) {
130 my $coro = pop @destroy;
131 $coro->{status} ||= [];
132 $_->ready for @{delete $coro->{join} || []};
129 (pop @destroy)->{_coro_state} = $manager->{_coro_state} while @destroy; 133 $coro->{_coro_state} = $manager->{_coro_state};
134 }
130 &schedule; 135 &schedule;
131 } 136 }
132}; 137};
133 138
134# static methods. not really. 139# static methods. not really.
… …
176ready queue and calls C<schedule>, which has the effect of giving up the 181ready queue and calls C<schedule>, which has the effect of giving up the
177current "timeslice" to other coroutines of the same or higher priority. 182current "timeslice" to other coroutines of the same or higher priority.
178 183
179=cut 184=cut
180 185
181=item terminate 186=item terminate [arg...]
182 187
183Terminates the current process. 188Terminates the current process.
184 189
185Future versions of this function will allow result arguments. 190Future versions of this function will allow result arguments.
186 191
187=cut 192=cut
188 193
189sub terminate { 194sub terminate {
195 $current->{status} = [@_];
190 $current->cancel; 196 $current->cancel;
191 &schedule; 197 &schedule;
192 die; # NORETURN 198 die; # NORETURN
193} 199}
194 200
… …
203=over 4 209=over 4
204 210
205=item new Coro \&sub [, @args...] 211=item new Coro \&sub [, @args...]
206 212
207Create a new process and return it. When the sub returns the process 213Create a new process and return it. When the sub returns the process
208automatically terminates. To start the process you must first put it into 214automatically terminates as if C<terminate> with the returned values were
215called. To make the process run you must first put it into the ready queue
209the ready queue by calling the ready method. 216by calling the ready method.
210
211The coderef you submit MUST NOT be a closure that refers to variables
212in an outer scope. This does NOT work. Pass arguments into it instead.
213 217
214=cut 218=cut
215 219
216sub _newcoro { 220sub _newcoro {
217 terminate &{+shift}; 221 terminate &{+shift};
… …
240 push @destroy, $_[0]; 244 push @destroy, $_[0];
241 $manager->ready; 245 $manager->ready;
242 &schedule if $current == $_[0]; 246 &schedule if $current == $_[0];
243} 247}
244 248
249=item $process->join
250
251Wait until the coroutine terminates and return any values given to the
252C<terminate> function. C<join> can be called multiple times from multiple
253processes.
254
255=cut
256
257sub join {
258 my $self = shift;
259 unless ($self->{status}) {
260 push @{$self->{join}}, $current;
261 &schedule;
262 }
263 wantarray ? @{$self->{status}} : $self->{status}[0];
264}
265
245=item $oldprio = $process->prio($newprio) 266=item $oldprio = $process->prio($newprio)
246 267
247Sets the priority of the process. Higher priority processes get run before 268Sets (or gets, if the argument is missing) the priority of the
269process. Higher priority processes get run before lower priority
248lower priority processes. Priorities are smalled signed integer (currently 270processes. Priorities are smalled signed integer (currently -4 .. +3),
249-4 .. +3), that you can refer to using PRIO_xxx constants (use the import 271that you can refer to using PRIO_xxx constants (use the import tag :prio
250tag :prio to get then): 272to get then):
251 273
252 PRIO_MAX > PRIO_HIGH > PRIO_NORMAL > PRIO_LOW > PRIO_IDLE > PRIO_MIN 274 PRIO_MAX > PRIO_HIGH > PRIO_NORMAL > PRIO_LOW > PRIO_IDLE > PRIO_MIN
253 3 > 1 > 0 > -1 > -3 > -4 275 3 > 1 > 0 > -1 > -3 > -4
254 276
255 # set priority to HIGH 277 # set priority to HIGH
… …
278 300
279=cut 301=cut
280 302
281sub nice { 303sub nice {
282 $_[0]{prio} -= $_[1]; 304 $_[0]{prio} -= $_[1];
305}
306
307=item $olddesc = $process->desc($newdesc)
308
309Sets (or gets in case the argument is missing) the description for this
310process. This is just a free-form string you can associate with a process.
311
312=cut
313
314sub desc {
315 my $old = $_[0]{desc};
316 $_[0]{desc} = $_[1] if @_ > 1;
317 $old;
283} 318}
284 319
285=back 320=back
286 321
287=cut 322=cut

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