Replicated on v5.14.1, MSWin32-x86-multi-thread. Expected behavior is also recovered if the hash is explicitly copied.
use strict;
use warnings;
use threads qw(yield);
use threads::shared;
use Data::Dumper;
sub test {
my %h : shared;
for (1..3) {
threads->new(sub {
my($n) = @_;
lock(%h);
$h{$n} = rand();
threads->yield();
}, $_)->join();
}
my %i = %h;
return %i;
}
my %k = test();
print Dumper(\%k);
or if some games are played with reference and dereference, a la
return %{\%h};
Unfortunately, I don't really have anything else useful to add.
#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.
Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
Read Where should I post X? if you're not absolutely sure you're posting in the right place.
Please read these before you post! —
Posts may use any of the Perl Monks Approved HTML tags:
- a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
| |
For: |
|
Use: |
| & | | & |
| < | | < |
| > | | > |
| [ | | [ |
| ] | | ] |
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.