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Comparing Coro/Coro.pm (file contents):
Revision 1.53 by root, Tue May 27 01:15:26 2003 UTC vs.
Revision 1.58 by pcg, Fri Feb 13 23:17:41 2004 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 = 0.7; 43$VERSION = 0.95;
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
119# cannot destroy itself. 121# cannot destroy itself.
120my @destroy; 122my @destroy;
121my $manager; 123my $manager;
122$manager = new Coro sub { 124$manager = new Coro sub {
123 while() { 125 while () {
124 # by overwriting the state object with the manager we destroy it 126 # by overwriting the state object with the manager we destroy it
125 # while still being able to schedule this coroutine (in case it has 127 # while still being able to schedule this coroutine (in case it has
126 # been readied multiple times. this is harmless since the manager 128 # been readied multiple times. this is harmless since the manager
127 # can be called as many times as neccessary and will always 129 # can be called as many times as neccessary and will always
128 # remove itself from the runqueue 130 # remove itself from the runqueue
155 # create a new coroutine that just prints its arguments 157 # create a new coroutine that just prints its arguments
156 async { 158 async {
157 print "@_\n"; 159 print "@_\n";
158 } 1,2,3,4; 160 } 1,2,3,4;
159 161
160The coderef you submit MUST NOT be a closure that refers to variables
161in an outer scope. This does NOT work. Pass arguments into it instead.
162
163=cut 162=cut
164 163
165sub async(&@) { 164sub async(&@) {
166 my $pid = new Coro @_; 165 my $pid = new Coro @_;
167 $manager->ready; # this ensures that the stack is cloned from the manager 166 $manager->ready; # this ensures that the stack is cloned from the manager
336 this). 335 this).
337 336
338=head1 SEE ALSO 337=head1 SEE ALSO
339 338
340L<Coro::Channel>, L<Coro::Cont>, L<Coro::Specific>, L<Coro::Semaphore>, 339L<Coro::Channel>, L<Coro::Cont>, L<Coro::Specific>, L<Coro::Semaphore>,
341L<Coro::Signal>, L<Coro::State>, L<Coro::Event>, L<Coro::RWLock>, 340L<Coro::Signal>, L<Coro::State>, L<Coro::Timer>, L<Coro::Event>,
342L<Coro::Handle>, L<Coro::Socket>. 341L<Coro::L<Coro::RWLock>, Handle>, L<Coro::Socket>.
343 342
344=head1 AUTHOR 343=head1 AUTHOR
345 344
346 Marc Lehmann <pcg@goof.com> 345 Marc Lehmann <pcg@goof.com>
347 http://www.goof.com/pcg/marc/ 346 http://www.goof.com/pcg/marc/

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