X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=t%2Flib%2FVariable%2FMagic%2FTestThreads.pm;fp=t%2Flib%2FVariable%2FMagic%2FTestThreads.pm;h=a846a5abf587fdd71b5e51ef3fda52caf86e93e7;hb=dee682e232db910b1e38e162ac51b0d98725e40e;hp=0000000000000000000000000000000000000000;hpb=69d59682d7e861e55be7a1b125c2e60e797a7d74;p=perl%2Fmodules%2FVariable-Magic.git diff --git a/t/lib/Variable/Magic/TestThreads.pm b/t/lib/Variable/Magic/TestThreads.pm new file mode 100644 index 0000000..a846a5a --- /dev/null +++ b/t/lib/Variable/Magic/TestThreads.pm @@ -0,0 +1,76 @@ +package Variable::Magic::TestThreads; + +use strict; +use warnings; + +use Config qw<%Config>; + +use Variable::Magic qw; + +sub skipall { + my ($msg) = @_; + require Test::More; + Test::More::plan(skip_all => $msg); +} + +sub diag { + require Test::More; + Test::More::diag(@_); +} + +sub import { + shift; + + skipall 'This Variable::Magic isn\'t thread safe' unless VMG_THREADSAFE; + + my $force = $ENV{PERL_VARIABLE_MAGIC_TEST_THREADS} ? 1 : !1; + skipall 'This perl wasn\'t built to support threads' + unless $Config{useithreads}; + skipall 'perl 5.13.4 required to test thread safety' + unless $force or "$]" >= 5.013004; + + my $t_v = $force ? '0' : '1.67'; + my $has_threads = do { + local $@; + eval "use threads $t_v; 1"; + }; + skipall "threads $t_v required to test thread safety" unless $has_threads; + + my $ts_v = $force ? '0' : '1.14'; + my $has_threads_shared = do { + local $@; + eval "use threads::shared $ts_v; 1"; + }; + skipall "threads::shared $ts_v required to test thread safety" + unless $has_threads_shared; + + defined and diag "Using threads $_" for $threads::VERSION; + defined and diag "Using threads::shared $_" for $threads::shared::VERSION; + + my %exports = ( + spawn => \&spawn, + ); + + my $pkg = caller; + while (my ($name, $code) = each %exports) { + no strict 'refs'; + *{$pkg.'::'.$name} = $code; + } +} + +sub spawn { + local $@; + my @diag; + my $thread = eval { + local $SIG{__WARN__} = sub { push @diag, "Thread creation warning: @_" }; + threads->create(@_); + }; + push @diag, "Thread creation error: $@" if $@; + if (@diag) { + require Test::More; + Test::More::diag($_) for @diag; + } + return $thread ? $thread : (); +} + +1;