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

Comparing Coro/Coro.pm (file contents):
Revision 1.51 by root, Thu May 8 00:55:28 2003 UTC vs.
Revision 1.56 by pcg, Sat Nov 15 03:53:10 2003 UTC

… …
30 30
31=cut 31=cut
32 32
33package Coro; 33package Coro;
34 34
35no warnings qw(uninitialized); 35BEGIN { eval { require warnings } && warnings->unimport ("uninitialized") }
36 36
37use Coro::State; 37use Coro::State;
38 38
39use vars qw($idle $main $current);
40
39use base Exporter; 41use base Exporter;
40 42
41$VERSION = 0.652; 43$VERSION = "0.9";
42 44
43@EXPORT = qw(async cede schedule terminate current); 45@EXPORT = qw(async cede schedule terminate current);
44%EXPORT_TAGS = ( 46%EXPORT_TAGS = (
45 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)],
46); 48);
… …
83 85
84This coroutine represents the main program. 86This coroutine represents the main program.
85 87
86=cut 88=cut
87 89
88our $main = new Coro; 90$main = new Coro;
89 91
90=item $current (or as function: current) 92=item $current (or as function: current)
91 93
92The current coroutine (the last coroutine switched to). The initial value is C<$main> (of course). 94The current coroutine (the last coroutine switched to). The initial value is C<$main> (of course).
93 95
… …
96# maybe some other module used Coro::Specific before... 98# maybe some other module used Coro::Specific before...
97if ($current) { 99if ($current) {
98 $main->{specific} = $current->{specific}; 100 $main->{specific} = $current->{specific};
99} 101}
100 102
101our $current = $main; 103$current = $main;
102 104
103sub current() { $current } 105sub current() { $current }
104 106
105=item $idle 107=item $idle
106 108
… …
108implementation prints "FATAL: deadlock detected" and exits. 110implementation prints "FATAL: deadlock detected" and exits.
109 111
110=cut 112=cut
111 113
112# should be done using priorities :( 114# should be done using priorities :(
113our $idle = new Coro sub { 115$idle = new Coro sub {
114 print STDERR "FATAL: deadlock detected\n"; 116 print STDERR "FATAL: deadlock detected\n";
115 exit(51); 117 exit(51);
116}; 118};
117 119
118# this coroutine is necessary because a coroutine 120# this coroutine is necessary because a coroutine
… …
267 269
268=item $oldprio = $process->prio($newprio) 270=item $oldprio = $process->prio($newprio)
269 271
270Sets (or gets, if the argument is missing) the priority of the 272Sets (or gets, if the argument is missing) the priority of the
271process. Higher priority processes get run before lower priority 273process. Higher priority processes get run before lower priority
272processes. Priorities are smalled signed integer (currently -4 .. +3), 274processes. Priorities are small signed integers (currently -4 .. +3),
273that you can refer to using PRIO_xxx constants (use the import tag :prio 275that you can refer to using PRIO_xxx constants (use the import tag :prio
274to get then): 276to get then):
275 277
276 PRIO_MAX > PRIO_HIGH > PRIO_NORMAL > PRIO_LOW > PRIO_IDLE > PRIO_MIN 278 PRIO_MAX > PRIO_HIGH > PRIO_NORMAL > PRIO_LOW > PRIO_IDLE > PRIO_MIN
277 3 > 1 > 0 > -1 > -3 > -4 279 3 > 1 > 0 > -1 > -3 > -4
… …
325 327
3261; 3281;
327 329
328=head1 BUGS/LIMITATIONS 330=head1 BUGS/LIMITATIONS
329 331
330 - you must make very sure that no coro is still active on global destruction. 332 - you must make very sure that no coro is still active on global
331 very bad things might happen otherwise (usually segfaults). 333 destruction. very bad things might happen otherwise (usually segfaults).
334
332 - this module is not thread-safe. You should only ever use this module from 335 - this module is not thread-safe. You should only ever use this module
333 the same thread (this requirement might be loosened in the future to 336 from the same thread (this requirement might be losened in the future
334 allow per-thread schedulers, but Coro::State does not yet allow this). 337 to allow per-thread schedulers, but Coro::State does not yet allow
338 this).
335 339
336=head1 SEE ALSO 340=head1 SEE ALSO
337 341
338L<Coro::Channel>, L<Coro::Cont>, L<Coro::Specific>, L<Coro::Semaphore>, 342L<Coro::Channel>, L<Coro::Cont>, L<Coro::Specific>, L<Coro::Semaphore>,
339L<Coro::Signal>, L<Coro::State>, L<Coro::Event>, L<Coro::RWLock>, 343L<Coro::Signal>, L<Coro::State>, L<Coro::Timer>, L<Coro::Event>,
340L<Coro::Handle>, L<Coro::Socket>. 344L<Coro::L<Coro::RWLock>, Handle>, L<Coro::Socket>.
341 345
342=head1 AUTHOR 346=head1 AUTHOR
343 347
344 Marc Lehmann <pcg@goof.com> 348 Marc Lehmann <pcg@goof.com>
345 http://www.goof.com/pcg/marc/ 349 http://www.goof.com/pcg/marc/

Diff Legend

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