Commit | Line | Data |
7473853a |
1 | use strict; |
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2 | use warnings; |
3 | |
4 | BEGIN { |
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5 | if ($ENV{'PERL_CORE'}){ |
6 | chdir 't'; |
7 | unshift @INC, '../lib'; |
8 | } |
9 | use Config; |
10 | if (! $Config{'useithreads'}) { |
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11 | print("1..0 # SKIP Perl not compiled with 'useithreads'\n"); |
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12 | exit(0); |
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13 | } |
14 | } |
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15 | |
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16 | use ExtUtils::testlib; |
17 | |
18 | my $Base = 0; |
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19 | sub ok { |
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20 | my ($id, $ok, $name) = @_; |
21 | $id += $Base; |
22 | |
23 | # You have to do it this way or VMS will get confused. |
24 | if ($ok) { |
25 | print("ok $id - $name\n"); |
26 | } else { |
27 | print("not ok $id - $name\n"); |
28 | printf("# Failed test at line %d\n", (caller)[2]); |
29 | } |
30 | |
31 | return ($ok); |
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32 | } |
33 | |
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34 | BEGIN { |
35 | $| = 1; |
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36 | print("1..91\n"); ### Number of tests that will be run ### |
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37 | }; |
38 | |
39 | use threads; |
40 | use threads::shared; |
41 | ok(1, 1, 'Loaded'); |
42 | $Base++; |
43 | |
44 | ### Start of Testing ### |
45 | |
46 | # cond_wait and cond_timedwait extended tests adapted from cond.t |
47 | |
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48 | # The two skips later on in these tests refer to this quote from the |
49 | # pod/perl583delta.pod: |
50 | # |
51 | # =head1 Platform Specific Problems |
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52 | # |
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53 | # The regression test ext/threads/shared/t/wait.t fails on early RedHat 9 |
54 | # and HP-UX 10.20 due to bugs in their threading implementations. |
55 | # RedHat users should see https://rhn.redhat.com/errata/RHBA-2003-136.html |
56 | # and consider upgrading their glibc. |
57 | |
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58 | |
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59 | sub forko (&$$); # To prevent deadlock from underlying pthread_* bugs (as in |
60 | # stock RH9 glibc/NPTL) or from our own errors, we run tests |
61 | # in separately forked and alarmed processes. |
62 | |
a56b3a00 |
63 | *forko = ($^O =~ /^dos|os2|mswin32|netware|vms$/i) |
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64 | ? sub (&$$) { my $code = shift; goto &$code; } |
65 | : sub (&$$) { |
66 | my ($code, $expected, $patience) = @_; |
67 | my ($test_num, $pid); |
68 | local *CHLD; |
69 | |
70 | my $bump = $expected; |
71 | |
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72 | unless (defined($pid = open(CHLD, "-|"))) { |
73 | die "fork: $!\n"; |
74 | } |
75 | if (! $pid) { # Child -- run the test |
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76 | alarm($patience || 60); |
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77 | &$code; |
78 | exit; |
79 | } |
80 | |
81 | while (<CHLD>) { |
82 | $expected--, $test_num=$1 if /^(?:not )?ok (\d+)/; |
83 | #print "#forko: ($expected, $1) $_"; |
84 | print; |
85 | } |
86 | |
87 | close(CHLD); |
88 | |
89 | while ($expected--) { |
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90 | ok(++$test_num, 0, "missing test result: child status $?"); |
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91 | } |
92 | |
93 | $Base += $bump; |
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94 | }; |
95 | |
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96 | |
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97 | # - TEST basics |
98 | |
99 | ok(1, defined &cond_wait, "cond_wait() present"); |
100 | ok(2, (prototype(\&cond_wait) eq '\[$@%];\[$@%]'), |
101 | q|cond_wait() prototype '\[$@%];\[$@%]'|); |
102 | ok(3, defined &cond_timedwait, "cond_timedwait() present"); |
103 | ok(4, (prototype(\&cond_timedwait) eq '\[$@%]$;\[$@%]'), |
104 | q|cond_timedwait() prototype '\[$@%]$;\[$@%]'|); |
105 | |
106 | $Base += 4; |
107 | |
108 | my @wait_how = ( |
109 | "simple", # cond var == lock var; implicit lock; e.g.: cond_wait($c) |
110 | "repeat", # cond var == lock var; explicit lock; e.g.: cond_wait($c, $c) |
111 | "twain" # cond var != lock var; explicit lock; e.g.: cond_wait($c, $l) |
112 | ); |
113 | |
114 | SYNC_SHARED: { |
115 | my $test : shared; # simple|repeat|twain |
116 | my $cond : shared; |
117 | my $lock : shared; |
118 | |
119 | ok(1, 1, "Shared synchronization tests preparation"); |
120 | $Base += 1; |
121 | |
122 | sub signaller { |
123 | ok(2,1,"$test: child before lock"); |
124 | $test =~ /twain/ ? lock($lock) : lock($cond); |
125 | ok(3,1,"$test: child obtained lock"); |
126 | if ($test =~ 'twain') { |
127 | no warnings 'threads'; # lock var != cond var, so disable warnings |
128 | cond_signal($cond); |
129 | } else { |
130 | cond_signal($cond); |
131 | } |
132 | ok(4,1,"$test: child signalled condition"); |
133 | } |
134 | |
135 | # - TEST cond_wait |
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136 | forko( sub { |
137 | foreach (@wait_how) { |
138 | $test = "cond_wait [$_]"; |
139 | threads->create(\&cw)->join; |
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140 | $Base += 5; |
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141 | } |
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142 | }, 5*@wait_how, 90); |
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143 | |
144 | sub cw { |
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145 | # which lock to obtain? |
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146 | $test =~ /twain/ ? lock($lock) : lock($cond); |
147 | ok(1,1, "$test: obtained initial lock"); |
148 | |
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149 | my $thr = threads->create(\&signaller); |
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150 | for ($test) { |
151 | cond_wait($cond), last if /simple/; |
152 | cond_wait($cond, $cond), last if /repeat/; |
153 | cond_wait($cond, $lock), last if /twain/; |
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154 | die "$test: unknown test\n"; |
ee23bc3a |
155 | } |
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156 | $thr->join; |
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157 | ok(5,1, "$test: condition obtained"); |
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158 | } |
159 | |
160 | # - TEST cond_timedwait success |
161 | |
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162 | forko( sub { |
163 | foreach (@wait_how) { |
164 | $test = "cond_timedwait [$_]"; |
165 | threads->create(\&ctw, 5)->join; |
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166 | $Base += 5; |
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167 | } |
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168 | }, 5*@wait_how, 90); |
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169 | |
170 | sub ctw($) { |
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171 | my $to = shift; |
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172 | |
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173 | # which lock to obtain? |
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174 | $test =~ /twain/ ? lock($lock) : lock($cond); |
175 | ok(1,1, "$test: obtained initial lock"); |
176 | |
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177 | my $thr = threads->create(\&signaller); |
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178 | my $ok = 0; |
179 | for ($test) { |
180 | $ok=cond_timedwait($cond, time() + $to), last if /simple/; |
181 | $ok=cond_timedwait($cond, time() + $to, $cond), last if /repeat/; |
182 | $ok=cond_timedwait($cond, time() + $to, $lock), last if /twain/; |
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183 | die "$test: unknown test\n"; |
ee23bc3a |
184 | } |
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185 | $thr->join; |
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186 | ok(5,$ok, "$test: condition obtained"); |
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187 | } |
188 | |
189 | # - TEST cond_timedwait timeout |
190 | |
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191 | forko( sub { |
192 | foreach (@wait_how) { |
193 | $test = "cond_timedwait pause, timeout [$_]"; |
194 | threads->create(\&ctw_fail, 3)->join; |
195 | $Base += 2; |
196 | } |
197 | }, 2*@wait_how, 90); |
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198 | |
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199 | forko( sub { |
200 | foreach (@wait_how) { |
201 | $test = "cond_timedwait instant timeout [$_]"; |
202 | threads->create(\&ctw_fail, -60)->join; |
203 | $Base += 2; |
204 | } |
205 | }, 2*@wait_how, 90); |
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206 | |
207 | # cond_timedwait timeout (relative timeout) |
208 | sub ctw_fail { |
209 | my $to = shift; |
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210 | if ($^O eq "hpux" && $Config{osvers} <= 10.20) { |
211 | # The lock obtaining would pass, but the wait will not. |
212 | ok(1,1, "$test: obtained initial lock"); |
213 | ok(2,0, "# SKIP see perl583delta"); |
7473853a |
214 | } else { |
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215 | $test =~ /twain/ ? lock($lock) : lock($cond); |
216 | ok(1,1, "$test: obtained initial lock"); |
217 | my $ok; |
218 | for ($test) { |
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219 | $ok=cond_timedwait($cond, time() + $to), last if /simple/; |
220 | $ok=cond_timedwait($cond, time() + $to, $cond), last if /repeat/; |
221 | $ok=cond_timedwait($cond, time() + $to, $lock), last if /twain/; |
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222 | die "$test: unknown test\n"; |
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223 | } |
224 | ok(2,!defined($ok), "$test: timeout"); |
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225 | } |
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226 | } |
227 | |
228 | } # -- SYNCH_SHARED block |
229 | |
230 | |
231 | # same as above, but with references to lock and cond vars |
232 | |
233 | SYNCH_REFS: { |
234 | my $test : shared; # simple|repeat|twain |
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235 | |
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236 | my $true_cond; share($true_cond); |
237 | my $true_lock; share($true_lock); |
238 | |
239 | my $cond = \$true_cond; |
240 | my $lock = \$true_lock; |
241 | |
242 | ok(1, 1, "Synchronization reference tests preparation"); |
243 | $Base += 1; |
244 | |
245 | sub signaller2 { |
246 | ok(2,1,"$test: child before lock"); |
247 | $test =~ /twain/ ? lock($lock) : lock($cond); |
248 | ok(3,1,"$test: child obtained lock"); |
249 | if ($test =~ 'twain') { |
250 | no warnings 'threads'; # lock var != cond var, so disable warnings |
251 | cond_signal($cond); |
252 | } else { |
253 | cond_signal($cond); |
254 | } |
255 | ok(4,1,"$test: child signalled condition"); |
256 | } |
257 | |
258 | # - TEST cond_wait |
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259 | forko( sub { |
260 | foreach (@wait_how) { |
261 | $test = "cond_wait [$_]"; |
262 | threads->create(\&cw2)->join; |
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263 | $Base += 5; |
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264 | } |
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265 | }, 5*@wait_how, 90); |
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266 | |
267 | sub cw2 { |
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268 | # which lock to obtain? |
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269 | $test =~ /twain/ ? lock($lock) : lock($cond); |
270 | ok(1,1, "$test: obtained initial lock"); |
271 | |
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272 | my $thr = threads->create(\&signaller2); |
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273 | for ($test) { |
274 | cond_wait($cond), last if /simple/; |
275 | cond_wait($cond, $cond), last if /repeat/; |
276 | cond_wait($cond, $lock), last if /twain/; |
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277 | die "$test: unknown test\n"; |
ee23bc3a |
278 | } |
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279 | $thr->join; |
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280 | ok(5,1, "$test: condition obtained"); |
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281 | } |
282 | |
283 | # - TEST cond_timedwait success |
284 | |
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285 | forko( sub { |
286 | foreach (@wait_how) { |
287 | $test = "cond_timedwait [$_]"; |
288 | threads->create(\&ctw2, 5)->join; |
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289 | $Base += 5; |
87c9b3a6 |
290 | } |
f38680ff |
291 | }, 5*@wait_how, 90); |
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292 | |
293 | sub ctw2($) { |
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294 | my $to = shift; |
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295 | |
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296 | # which lock to obtain? |
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297 | $test =~ /twain/ ? lock($lock) : lock($cond); |
298 | ok(1,1, "$test: obtained initial lock"); |
299 | |
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300 | my $thr = threads->create(\&signaller2); |
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301 | my $ok = 0; |
302 | for ($test) { |
303 | $ok=cond_timedwait($cond, time() + $to), last if /simple/; |
304 | $ok=cond_timedwait($cond, time() + $to, $cond), last if /repeat/; |
305 | $ok=cond_timedwait($cond, time() + $to, $lock), last if /twain/; |
f38680ff |
306 | die "$test: unknown test\n"; |
ee23bc3a |
307 | } |
f38680ff |
308 | $thr->join; |
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309 | ok(5,$ok, "$test: condition obtained"); |
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310 | } |
311 | |
312 | # - TEST cond_timedwait timeout |
313 | |
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314 | forko( sub { |
315 | foreach (@wait_how) { |
316 | $test = "cond_timedwait pause, timeout [$_]"; |
317 | threads->create(\&ctw_fail2, 3)->join; |
318 | $Base += 2; |
319 | } |
320 | }, 2*@wait_how, 90); |
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321 | |
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322 | forko( sub { |
323 | foreach (@wait_how) { |
324 | $test = "cond_timedwait instant timeout [$_]"; |
325 | threads->create(\&ctw_fail2, -60)->join; |
326 | $Base += 2; |
327 | } |
328 | }, 2*@wait_how, 90); |
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329 | |
330 | sub ctw_fail2 { |
331 | my $to = shift; |
332 | |
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333 | if ($^O eq "hpux" && $Config{osvers} <= 10.20) { |
334 | # The lock obtaining would pass, but the wait will not. |
335 | ok(1,1, "$test: obtained initial lock"); |
336 | ok(2,0, "# SKIP see perl583delta"); |
7473853a |
337 | } else { |
80b2a687 |
338 | $test =~ /twain/ ? lock($lock) : lock($cond); |
339 | ok(1,1, "$test: obtained initial lock"); |
340 | my $ok; |
341 | for ($test) { |
7473853a |
342 | $ok=cond_timedwait($cond, time() + $to), last if /simple/; |
343 | $ok=cond_timedwait($cond, time() + $to, $cond), last if /repeat/; |
344 | $ok=cond_timedwait($cond, time() + $to, $lock), last if /twain/; |
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345 | die "$test: unknown test\n"; |
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346 | } |
347 | ok(2,!$ok, "$test: timeout"); |
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348 | } |
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349 | } |
350 | |
351 | } # -- SYNCH_REFS block |
352 | |
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353 | exit(0); |
354 | |
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355 | # EOF |