Commit | Line | Data |
---|---|---|
8d063cd8 LW |
1 | #!./perl |
2 | ||
7766f137 | 3 | # tests for both real and emulated fork() |
8d063cd8 | 4 | |
774d564b | 5 | BEGIN { |
6 | chdir 't' if -d 't'; | |
20822f61 | 7 | @INC = '../lib'; |
774d564b | 8 | require Config; import Config; |
dfdd1393 | 9 | unless ($Config{'d_fork'} |
2986a63f | 10 | or (($^O eq 'MSWin32' || $^O eq 'NetWare') and $Config{useithreads} |
5f1a76d0 NIS |
11 | and $Config{ccflags} =~ /-DPERL_IMPLICIT_SYS/ |
12 | # and !defined $Config{'useperlio'} | |
13 | )) | |
dfdd1393 | 14 | { |
45c0de28 | 15 | print "1..0 # Skip: no fork\n"; |
774d564b | 16 | exit 0; |
17 | } | |
7766f137 | 18 | $ENV{PERL5LIB} = "../lib"; |
774d564b | 19 | } |
20 | ||
0994c4d0 JH |
21 | if ($^O eq 'mpeix') { |
22 | print "1..0 # Skip: fork/status problems on MPE/iX\n"; | |
23 | exit 0; | |
24 | } | |
25 | ||
7766f137 GS |
26 | $|=1; |
27 | ||
28 | undef $/; | |
29 | @prgs = split "\n########\n", <DATA>; | |
30 | print "1..", scalar @prgs, "\n"; | |
31 | ||
32 | $tmpfile = "forktmp000"; | |
33 | 1 while -f ++$tmpfile; | |
6b5cb48c | 34 | END { close TEST; unlink $tmpfile if $tmpfile; } |
7766f137 | 35 | |
2986a63f | 36 | $CAT = (($^O eq 'MSWin32') ? '.\perl -e "print <>"' : (($^O eq 'NetWare') ? 'perl -e "print <>"' : 'cat')); |
8d063cd8 | 37 | |
7766f137 GS |
38 | for (@prgs){ |
39 | my $switch; | |
40 | if (s/^\s*(-\w.*)//){ | |
41 | $switch = $1; | |
42 | } | |
43 | my($prog,$expected) = split(/\nEXPECT\n/, $_); | |
44 | $expected =~ s/\n+$//; | |
45 | # results can be in any order, so sort 'em | |
46 | my @expected = sort split /\n/, $expected; | |
47 | open TEST, ">$tmpfile" or die "Cannot open $tmpfile: $!"; | |
48 | print TEST $prog, "\n"; | |
49 | close TEST or die "Cannot close $tmpfile: $!"; | |
50 | my $results; | |
51 | if ($^O eq 'MSWin32') { | |
52 | $results = `.\\perl -I../lib $switch $tmpfile 2>&1`; | |
53 | } | |
2986a63f JH |
54 | elsif ($^O eq 'NetWare') { |
55 | $results = `perl -I../lib $switch $tmpfile 2>&1`; | |
56 | } | |
7766f137 GS |
57 | else { |
58 | $results = `./perl $switch $tmpfile 2>&1`; | |
59 | } | |
60 | $status = $?; | |
61 | $results =~ s/\n+$//; | |
62 | $results =~ s/at\s+forktmp\d+\s+line/at - line/g; | |
63 | $results =~ s/of\s+forktmp\d+\s+aborted/of - aborted/g; | |
64 | # bison says 'parse error' instead of 'syntax error', | |
65 | # various yaccs may or may not capitalize 'syntax'. | |
66 | $results =~ s/^(syntax|parse) error/syntax error/mig; | |
6b5cb48c GS |
67 | $results =~ s/^\n*Process terminated by SIG\w+\n?//mg |
68 | if $^O eq 'os2'; | |
7766f137 GS |
69 | my @results = sort split /\n/, $results; |
70 | if ( "@results" ne "@expected" ) { | |
71 | print STDERR "PROG: $switch\n$prog\n"; | |
72 | print STDERR "EXPECTED:\n$expected\n"; | |
73 | print STDERR "GOT:\n$results\n"; | |
74 | print "not "; | |
75 | } | |
76 | print "ok ", ++$i, "\n"; | |
77 | } | |
78 | ||
79 | __END__ | |
80 | $| = 1; | |
8d063cd8 | 81 | if ($cid = fork) { |
7766f137 GS |
82 | sleep 1; |
83 | if ($result = (kill 9, $cid)) { | |
84 | print "ok 2\n"; | |
85 | } | |
86 | else { | |
87 | print "not ok 2 $result\n"; | |
88 | } | |
89 | sleep 1 if $^O eq 'MSWin32'; # avoid WinNT race bug | |
8d063cd8 LW |
90 | } |
91 | else { | |
8d063cd8 LW |
92 | print "ok 1\n"; |
93 | sleep 10; | |
94 | } | |
7766f137 GS |
95 | EXPECT |
96 | ok 1 | |
97 | ok 2 | |
98 | ######## | |
99 | $| = 1; | |
aeecf691 JD |
100 | if ($cid = fork) { |
101 | sleep 1; | |
102 | print "not " unless kill 'INT', $cid; | |
103 | print "ok 2\n"; | |
104 | } | |
105 | else { | |
106 | # XXX On Windows the default signal handler kills the | |
107 | # XXX whole process, not just the thread (pseudo-process) | |
108 | $SIG{INT} = sub { exit }; | |
109 | print "ok 1\n"; | |
110 | sleep 5; | |
111 | die; | |
112 | } | |
113 | EXPECT | |
114 | ok 1 | |
115 | ok 2 | |
116 | ######## | |
117 | $| = 1; | |
7766f137 GS |
118 | sub forkit { |
119 | print "iteration $i start\n"; | |
120 | my $x = fork; | |
121 | if (defined $x) { | |
122 | if ($x) { | |
123 | print "iteration $i parent\n"; | |
124 | } | |
125 | else { | |
126 | print "iteration $i child\n"; | |
127 | } | |
128 | } | |
129 | else { | |
130 | print "pid $$ failed to fork\n"; | |
131 | } | |
132 | } | |
133 | while ($i++ < 3) { do { forkit(); }; } | |
134 | EXPECT | |
135 | iteration 1 start | |
136 | iteration 1 parent | |
137 | iteration 1 child | |
138 | iteration 2 start | |
139 | iteration 2 parent | |
140 | iteration 2 child | |
141 | iteration 2 start | |
142 | iteration 2 parent | |
143 | iteration 2 child | |
144 | iteration 3 start | |
145 | iteration 3 parent | |
146 | iteration 3 child | |
147 | iteration 3 start | |
148 | iteration 3 parent | |
149 | iteration 3 child | |
150 | iteration 3 start | |
151 | iteration 3 parent | |
152 | iteration 3 child | |
153 | iteration 3 start | |
154 | iteration 3 parent | |
155 | iteration 3 child | |
156 | ######## | |
157 | $| = 1; | |
158 | fork() | |
159 | ? (print("parent\n"),sleep(1)) | |
160 | : (print("child\n"),exit) ; | |
161 | EXPECT | |
162 | parent | |
163 | child | |
164 | ######## | |
165 | $| = 1; | |
166 | fork() | |
167 | ? (print("parent\n"),exit) | |
168 | : (print("child\n"),sleep(1)) ; | |
169 | EXPECT | |
170 | parent | |
171 | child | |
172 | ######## | |
173 | $| = 1; | |
174 | @a = (1..3); | |
175 | for (@a) { | |
176 | if (fork) { | |
177 | print "parent $_\n"; | |
178 | $_ = "[$_]"; | |
179 | } | |
180 | else { | |
181 | print "child $_\n"; | |
182 | $_ = "-$_-"; | |
183 | } | |
184 | } | |
185 | print "@a\n"; | |
186 | EXPECT | |
187 | parent 1 | |
188 | child 1 | |
189 | parent 2 | |
190 | child 2 | |
191 | parent 2 | |
192 | child 2 | |
193 | parent 3 | |
194 | child 3 | |
195 | parent 3 | |
196 | child 3 | |
197 | parent 3 | |
198 | child 3 | |
199 | parent 3 | |
200 | child 3 | |
201 | [1] [2] [3] | |
202 | -1- [2] [3] | |
203 | [1] -2- [3] | |
204 | [1] [2] -3- | |
205 | -1- -2- [3] | |
206 | -1- [2] -3- | |
207 | [1] -2- -3- | |
208 | -1- -2- -3- | |
209 | ######## | |
c3564e5c GS |
210 | $| = 1; |
211 | foreach my $c (1,2,3) { | |
212 | if (fork) { | |
213 | print "parent $c\n"; | |
214 | } | |
215 | else { | |
216 | print "child $c\n"; | |
217 | exit; | |
218 | } | |
219 | } | |
220 | while (wait() != -1) { print "waited\n" } | |
221 | EXPECT | |
222 | child 1 | |
223 | child 2 | |
224 | child 3 | |
225 | parent 1 | |
226 | parent 2 | |
227 | parent 3 | |
228 | waited | |
229 | waited | |
230 | waited | |
231 | ######## | |
7766f137 GS |
232 | use Config; |
233 | $| = 1; | |
234 | $\ = "\n"; | |
235 | fork() | |
236 | ? print($Config{osname} eq $^O) | |
237 | : print($Config{osname} eq $^O) ; | |
238 | EXPECT | |
239 | 1 | |
240 | 1 | |
241 | ######## | |
242 | $| = 1; | |
243 | $\ = "\n"; | |
244 | fork() | |
245 | ? do { require Config; print($Config::Config{osname} eq $^O); } | |
246 | : do { require Config; print($Config::Config{osname} eq $^O); } | |
247 | EXPECT | |
248 | 1 | |
249 | 1 | |
250 | ######## | |
251 | $| = 1; | |
252 | use Cwd; | |
253 | $\ = "\n"; | |
254 | my $dir; | |
255 | if (fork) { | |
256 | $dir = "f$$.tst"; | |
257 | mkdir $dir, 0755; | |
258 | chdir $dir; | |
259 | print cwd() =~ /\Q$dir/i ? "ok 1 parent" : "not ok 1 parent"; | |
260 | chdir ".."; | |
261 | rmdir $dir; | |
262 | } | |
263 | else { | |
264 | sleep 2; | |
265 | $dir = "f$$.tst"; | |
266 | mkdir $dir, 0755; | |
267 | chdir $dir; | |
268 | print cwd() =~ /\Q$dir/i ? "ok 1 child" : "not ok 1 child"; | |
269 | chdir ".."; | |
270 | rmdir $dir; | |
271 | } | |
272 | EXPECT | |
273 | ok 1 parent | |
274 | ok 1 child | |
275 | ######## | |
276 | $| = 1; | |
277 | $\ = "\n"; | |
278 | my $getenv; | |
2986a63f | 279 | if ($^O eq 'MSWin32' || $^O eq 'NetWare') { |
7766f137 GS |
280 | $getenv = qq[$^X -e "print \$ENV{TST}"]; |
281 | } | |
282 | else { | |
283 | $getenv = qq[$^X -e 'print \$ENV{TST}']; | |
284 | } | |
35424068 | 285 | $ENV{TST} = 'foo'; |
7766f137 GS |
286 | if (fork) { |
287 | sleep 1; | |
35424068 GS |
288 | print "parent before: " . `$getenv`; |
289 | $ENV{TST} = 'bar'; | |
290 | print "parent after: " . `$getenv`; | |
7766f137 GS |
291 | } |
292 | else { | |
35424068 GS |
293 | print "child before: " . `$getenv`; |
294 | $ENV{TST} = 'baz'; | |
295 | print "child after: " . `$getenv`; | |
7766f137 GS |
296 | } |
297 | EXPECT | |
35424068 GS |
298 | child before: foo |
299 | child after: baz | |
300 | parent before: foo | |
301 | parent after: bar | |
7766f137 GS |
302 | ######## |
303 | $| = 1; | |
304 | $\ = "\n"; | |
305 | if ($pid = fork) { | |
306 | waitpid($pid,0); | |
307 | print "parent got $?" | |
308 | } | |
309 | else { | |
310 | exit(42); | |
311 | } | |
312 | EXPECT | |
313 | parent got 10752 | |
314 | ######## | |
315 | $| = 1; | |
316 | $\ = "\n"; | |
317 | my $echo = 'echo'; | |
318 | if ($pid = fork) { | |
319 | waitpid($pid,0); | |
320 | print "parent got $?" | |
321 | } | |
322 | else { | |
323 | exec("$echo foo"); | |
324 | } | |
325 | EXPECT | |
326 | foo | |
327 | parent got 0 | |
328 | ######## | |
329 | if (fork) { | |
330 | die "parent died"; | |
331 | } | |
332 | else { | |
333 | die "child died"; | |
334 | } | |
335 | EXPECT | |
336 | parent died at - line 2. | |
337 | child died at - line 5. | |
338 | ######## | |
339 | if ($pid = fork) { | |
340 | eval { die "parent died" }; | |
341 | print $@; | |
342 | } | |
343 | else { | |
344 | eval { die "child died" }; | |
345 | print $@; | |
346 | } | |
347 | EXPECT | |
348 | parent died at - line 2. | |
349 | child died at - line 6. | |
350 | ######## | |
351 | if (eval q{$pid = fork}) { | |
352 | eval q{ die "parent died" }; | |
353 | print $@; | |
354 | } | |
355 | else { | |
356 | eval q{ die "child died" }; | |
357 | print $@; | |
358 | } | |
359 | EXPECT | |
360 | parent died at (eval 2) line 1. | |
361 | child died at (eval 2) line 1. | |
362 | ######## | |
363 | BEGIN { | |
364 | $| = 1; | |
365 | fork and exit; | |
366 | print "inner\n"; | |
367 | } | |
368 | # XXX In emulated fork(), the child will not execute anything after | |
369 | # the BEGIN block, due to difficulties in recreating the parse stacks | |
370 | # and restarting yyparse() midstream in the child. This can potentially | |
371 | # be overcome by treating what's after the BEGIN{} as a brand new parse. | |
372 | #print "outer\n" | |
373 | EXPECT | |
374 | inner | |
030866aa GS |
375 | ######## |
376 | sub pipe_to_fork ($$) { | |
377 | my $parent = shift; | |
378 | my $child = shift; | |
379 | pipe($child, $parent) or die; | |
380 | my $pid = fork(); | |
381 | die "fork() failed: $!" unless defined $pid; | |
382 | close($pid ? $child : $parent); | |
383 | $pid; | |
384 | } | |
385 | ||
386 | if (pipe_to_fork('PARENT','CHILD')) { | |
387 | # parent | |
388 | print PARENT "pipe_to_fork\n"; | |
389 | close PARENT; | |
390 | } | |
391 | else { | |
392 | # child | |
393 | while (<CHILD>) { print; } | |
394 | close CHILD; | |
395 | exit; | |
396 | } | |
397 | ||
398 | sub pipe_from_fork ($$) { | |
399 | my $parent = shift; | |
400 | my $child = shift; | |
401 | pipe($parent, $child) or die; | |
402 | my $pid = fork(); | |
403 | die "fork() failed: $!" unless defined $pid; | |
404 | close($pid ? $child : $parent); | |
405 | $pid; | |
406 | } | |
407 | ||
408 | if (pipe_from_fork('PARENT','CHILD')) { | |
409 | # parent | |
410 | while (<PARENT>) { print; } | |
411 | close PARENT; | |
412 | } | |
413 | else { | |
414 | # child | |
415 | print CHILD "pipe_from_fork\n"; | |
416 | close CHILD; | |
417 | exit; | |
418 | } | |
419 | EXPECT | |
420 | pipe_from_fork | |
421 | pipe_to_fork | |
68a29c53 | 422 | ######## |
10d51319 | 423 | $|=1; |
68a29c53 GS |
424 | if ($pid = fork()) { |
425 | print "forked first kid\n"; | |
426 | print "waitpid() returned ok\n" if waitpid($pid,0) == $pid; | |
427 | } | |
428 | else { | |
429 | print "first child\n"; | |
430 | exit(0); | |
431 | } | |
432 | if ($pid = fork()) { | |
433 | print "forked second kid\n"; | |
434 | print "wait() returned ok\n" if wait() == $pid; | |
435 | } | |
436 | else { | |
437 | print "second child\n"; | |
438 | exit(0); | |
439 | } | |
440 | EXPECT | |
441 | forked first kid | |
442 | first child | |
443 | waitpid() returned ok | |
444 | forked second kid | |
445 | second child | |
446 | wait() returned ok | |
a0bd7037 SR |
447 | ######## |
448 | pipe(RDR,WTR) or die $!; | |
449 | my $pid = fork; | |
450 | die "fork: $!" if !defined $pid; | |
451 | if ($pid == 0) { | |
452 | my $rand_child = rand; | |
453 | close RDR; | |
454 | print WTR $rand_child, "\n"; | |
455 | close WTR; | |
456 | } else { | |
457 | my $rand_parent = rand; | |
458 | close WTR; | |
459 | chomp(my $rand_child = <RDR>); | |
460 | close RDR; | |
461 | print $rand_child ne $rand_parent, "\n"; | |
462 | } | |
463 | EXPECT | |
464 | 1 |