| … | |
… | |
| 30 | |
30 | |
| 31 | =cut |
31 | =cut |
| 32 | |
32 | |
| 33 | package Coro; |
33 | package Coro; |
| 34 | |
34 | |
| 35 | no warnings qw(uninitialized); |
35 | BEGIN { eval { require warnings } && warnings->unimport ("uninitialized") } |
| 36 | |
36 | |
| 37 | use Coro::State; |
37 | use Coro::State; |
| 38 | |
38 | |
|
|
39 | use vars qw($idle $main $current); |
|
|
40 | |
| 39 | use base Exporter; |
41 | use base Exporter; |
| 40 | |
42 | |
| 41 | $VERSION = 0.7; |
43 | $VERSION = 0.8; |
| 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 | |
| 84 | This coroutine represents the main program. |
86 | This coroutine represents the main program. |
| 85 | |
87 | |
| 86 | =cut |
88 | =cut |
| 87 | |
89 | |
| 88 | our $main = new Coro; |
90 | $main = new Coro; |
| 89 | |
91 | |
| 90 | =item $current (or as function: current) |
92 | =item $current (or as function: current) |
| 91 | |
93 | |
| 92 | The current coroutine (the last coroutine switched to). The initial value is C<$main> (of course). |
94 | The current coroutine (the last coroutine switched to). The initial value is C<$main> (of course). |
| 93 | |
95 | |
| … | |
… | |
| 96 | # maybe some other module used Coro::Specific before... |
98 | # maybe some other module used Coro::Specific before... |
| 97 | if ($current) { |
99 | if ($current) { |
| 98 | $main->{specific} = $current->{specific}; |
100 | $main->{specific} = $current->{specific}; |
| 99 | } |
101 | } |
| 100 | |
102 | |
| 101 | our $current = $main; |
103 | $current = $main; |
| 102 | |
104 | |
| 103 | sub current() { $current } |
105 | sub current() { $current } |
| 104 | |
106 | |
| 105 | =item $idle |
107 | =item $idle |
| 106 | |
108 | |
| … | |
… | |
| 108 | implementation prints "FATAL: deadlock detected" and exits. |
110 | implementation 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 :( |
| 113 | our $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 |
