… | |
… | |
81 | |
81 | |
82 | our $idle; # idle handler |
82 | our $idle; # idle handler |
83 | our $main; # main coro |
83 | our $main; # main coro |
84 | our $current; # current coro |
84 | our $current; # current coro |
85 | |
85 | |
86 | our $VERSION = 5.21; |
86 | our $VERSION = 5.25; |
87 | |
87 | |
88 | our @EXPORT = qw(async async_pool cede schedule terminate current unblock_sub rouse_cb rouse_wait); |
88 | our @EXPORT = qw(async async_pool cede schedule terminate current unblock_sub rouse_cb rouse_wait); |
89 | our %EXPORT_TAGS = ( |
89 | our %EXPORT_TAGS = ( |
90 | prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], |
90 | prio => [qw(PRIO_MAX PRIO_HIGH PRIO_NORMAL PRIO_LOW PRIO_IDLE PRIO_MIN)], |
91 | ); |
91 | ); |
… | |
… | |
138 | |
138 | |
139 | See L<Coro::EV> or L<Coro::AnyEvent> for examples of using this technique. |
139 | See L<Coro::EV> or L<Coro::AnyEvent> for examples of using this technique. |
140 | |
140 | |
141 | =cut |
141 | =cut |
142 | |
142 | |
|
|
143 | # ||= because other modules could have provided their own by now |
143 | $idle = new Coro sub { |
144 | $idle ||= new Coro sub { |
144 | require Coro::Debug; |
145 | require Coro::Debug; |
145 | die "FATAL: deadlock detected.\n" |
146 | die "FATAL: deadlock detected.\n" |
146 | . Coro::Debug::ps_listing (); |
147 | . Coro::Debug::ps_listing (); |
147 | }; |
148 | }; |
148 | |
149 | |
… | |
… | |
612 | Sets (or gets in case the argument is missing) the description for this |
613 | Sets (or gets in case the argument is missing) the description for this |
613 | coro. This is just a free-form string you can associate with a |
614 | coro. This is just a free-form string you can associate with a |
614 | coro. |
615 | coro. |
615 | |
616 | |
616 | This method simply sets the C<< $coro->{desc} >> member to the given |
617 | This method simply sets the C<< $coro->{desc} >> member to the given |
617 | string. You can modify this member directly if you wish. |
618 | string. You can modify this member directly if you wish, and in fact, this |
|
|
619 | is often preferred to indicate major processing states that cna then be |
|
|
620 | seen for example in a L<Coro::Debug> session: |
|
|
621 | |
|
|
622 | sub my_long_function { |
|
|
623 | local $Coro::current->{desc} = "now in my_long_function"; |
|
|
624 | ... |
|
|
625 | $Coro::current->{desc} = "my_long_function: phase 1"; |
|
|
626 | ... |
|
|
627 | $Coro::current->{desc} = "my_long_function: phase 2"; |
|
|
628 | ... |
|
|
629 | } |
618 | |
630 | |
619 | =cut |
631 | =cut |
620 | |
632 | |
621 | sub desc { |
633 | sub desc { |
622 | my $old = $_[0]{desc}; |
634 | my $old = $_[0]{desc}; |
… | |
… | |
856 | ithreads (for example, that memory or files would be shared), showing his |
868 | ithreads (for example, that memory or files would be shared), showing his |
857 | lack of understanding of this area - if it is hard to understand for Chip, |
869 | lack of understanding of this area - if it is hard to understand for Chip, |
858 | it is probably not obvious to everybody). |
870 | it is probably not obvious to everybody). |
859 | |
871 | |
860 | What follows is an ultra-condensed version of my talk about threads in |
872 | What follows is an ultra-condensed version of my talk about threads in |
861 | scripting languages given onthe perl workshop 2009: |
873 | scripting languages given on the perl workshop 2009: |
862 | |
874 | |
863 | The so-called "ithreads" were originally implemented for two reasons: |
875 | The so-called "ithreads" were originally implemented for two reasons: |
864 | first, to (badly) emulate unix processes on native win32 perls, and |
876 | first, to (badly) emulate unix processes on native win32 perls, and |
865 | secondly, to replace the older, real thread model ("5.005-threads"). |
877 | secondly, to replace the older, real thread model ("5.005-threads"). |
866 | |
878 | |