Commit | Line | Data |
c0329273 |
1 | BEGIN { do "./t/lib/ANFANG.pm" or die ( $@ || $! ) } |
2 | |
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3 | use warnings; |
4 | use strict; |
5 | |
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6 | use Config; |
7 | BEGIN { |
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8 | my $skipall; |
9 | |
10 | # FIXME: this discrepancy is crazy, need to investigate |
11 | my $mem_needed = ($Config{ptrsize} == 4) |
12 | ? 200 |
13 | : 750 |
14 | ; |
15 | |
16 | if( ! $Config{useithreads} ) { |
17 | $skipall = 'your perl does not support ithreads'; |
18 | } |
19 | elsif( "$]" < 5.008005 ) { |
20 | $skipall = 'DBIC does not actively support threads before perl 5.8.5'; |
21 | } |
22 | elsif( $INC{'Devel/Cover.pm'} ) { |
23 | $skipall = 'Devel::Cover does not work with ithreads yet'; |
24 | } |
25 | elsif( |
26 | ! $ENV{DBICTEST_RUN_ALL_TESTS} |
27 | and |
28 | require DBICTest::RunMode |
29 | and |
30 | ! DBICTest::RunMode->is_smoker |
31 | ) { |
32 | $skipall = "Test is too expensive (may use up to ${mem_needed}MB of memory), skipping on non-smoker"; |
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33 | } |
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34 | else { |
35 | require threads; |
36 | threads->import(); |
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37 | |
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38 | require DBICTest; |
39 | # without this the can_alloc may very well shoot half of the CI down |
40 | DBICTest->import(':GlobalLock'); |
41 | |
42 | unless ( DBICTest::Util::can_alloc_MB($mem_needed) ) { |
43 | $skipall = "Your system does not have the necessary amount of memory (${mem_needed}MB) for this ridiculous test"; |
44 | } |
45 | } |
46 | |
47 | if( $skipall ) { |
48 | print "1..0 # SKIP $skipall\n"; |
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49 | exit 0; |
50 | } |
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51 | } |
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52 | |
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53 | use Test::More; |
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54 | use Errno (); |
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55 | use DBIx::Class::_Util 'sigwarn_silencer'; |
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56 | use Time::HiRes qw(time sleep); |
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57 | use List::Util 'max'; |
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58 | |
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59 | # README: If you set the env var to a number greater than 5, |
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60 | # we will use that many children |
61 | my $num_children = $ENV{DBICTEST_THREAD_STRESS} || 1; |
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62 | if($num_children !~ /^[0-9]+$/ || $num_children < 5) { |
63 | $num_children = 5; |
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64 | } |
65 | |
66 | my $schema = DBICTest->init_schema(no_deploy => 1); |
67 | isa_ok ($schema, 'DBICTest::Schema'); |
68 | |
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69 | # sleep until this spot so everything starts simultaneously |
70 | # add "until turn of second" for prettier display |
71 | my $t = int( time() ) + 4; |
72 | |
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73 | my @threads; |
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74 | SKIP: { |
75 | |
76 | local $SIG{__WARN__} = sigwarn_silencer( qr/Thread creation failed/i ); |
77 | |
78 | for (1.. $num_children) { |
79 | push @threads, threads->create(sub { |
10dd5c05 |
80 | my $tid = threads->tid; |
81 | |
ef25a429 |
82 | sleep( max( 0.1, $t - time ) ); |
10dd5c05 |
83 | note ("Thread $tid starting work at " . time() ); |
84 | |
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85 | my $rsrc = $schema->source('Artist'); |
86 | undef $schema; |
87 | isa_ok ($rsrc->schema, 'DBICTest::Schema'); |
88 | my $s2 = $rsrc->schema->clone; |
89 | |
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90 | sleep (0.2); # without this many tasty crashes even on latest perls |
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91 | }) || do { |
92 | skip "EAGAIN encountered, your system is likely bogged down: skipping rest of test", 1 |
93 | if $! == Errno::EAGAIN(); |
94 | |
95 | die "Unable to start thread: $!"; |
96 | }; |
97 | } |
98 | } |
99 | |
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100 | ok(1, "past spawning"); |
101 | |
102 | $_->join for @threads; |
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103 | |
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104 | ok(1, "past joining"); |
105 | |
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106 | # Too many threading bugs on exit, none of which have anything to do with |
107 | # the actual stuff we test |
108 | $ENV{DBICTEST_DIRTY_EXIT} = 1 |
109 | if "$]"< 5.012; |
110 | |
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111 | done_testing; |