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 GS |
9 | unless ($Config{'d_fork'} |
10 | or ($^O eq 'MSWin32' 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 GS |
35 | |
36 | $CAT = (($^O eq 'MSWin32') ? '.\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 | } | |
54 | else { | |
55 | $results = `./perl $switch $tmpfile 2>&1`; | |
56 | } | |
57 | $status = $?; | |
58 | $results =~ s/\n+$//; | |
59 | $results =~ s/at\s+forktmp\d+\s+line/at - line/g; | |
60 | $results =~ s/of\s+forktmp\d+\s+aborted/of - aborted/g; | |
61 | # bison says 'parse error' instead of 'syntax error', | |
62 | # various yaccs may or may not capitalize 'syntax'. | |
63 | $results =~ s/^(syntax|parse) error/syntax error/mig; | |
6b5cb48c GS |
64 | $results =~ s/^\n*Process terminated by SIG\w+\n?//mg |
65 | if $^O eq 'os2'; | |
7766f137 GS |
66 | my @results = sort split /\n/, $results; |
67 | if ( "@results" ne "@expected" ) { | |
68 | print STDERR "PROG: $switch\n$prog\n"; | |
69 | print STDERR "EXPECTED:\n$expected\n"; | |
70 | print STDERR "GOT:\n$results\n"; | |
71 | print "not "; | |
72 | } | |
73 | print "ok ", ++$i, "\n"; | |
74 | } | |
75 | ||
76 | __END__ | |
77 | $| = 1; | |
8d063cd8 | 78 | if ($cid = fork) { |
7766f137 GS |
79 | sleep 1; |
80 | if ($result = (kill 9, $cid)) { | |
81 | print "ok 2\n"; | |
82 | } | |
83 | else { | |
84 | print "not ok 2 $result\n"; | |
85 | } | |
86 | sleep 1 if $^O eq 'MSWin32'; # avoid WinNT race bug | |
8d063cd8 LW |
87 | } |
88 | else { | |
8d063cd8 LW |
89 | print "ok 1\n"; |
90 | sleep 10; | |
91 | } | |
7766f137 GS |
92 | EXPECT |
93 | ok 1 | |
94 | ok 2 | |
95 | ######## | |
96 | $| = 1; | |
97 | sub forkit { | |
98 | print "iteration $i start\n"; | |
99 | my $x = fork; | |
100 | if (defined $x) { | |
101 | if ($x) { | |
102 | print "iteration $i parent\n"; | |
103 | } | |
104 | else { | |
105 | print "iteration $i child\n"; | |
106 | } | |
107 | } | |
108 | else { | |
109 | print "pid $$ failed to fork\n"; | |
110 | } | |
111 | } | |
112 | while ($i++ < 3) { do { forkit(); }; } | |
113 | EXPECT | |
114 | iteration 1 start | |
115 | iteration 1 parent | |
116 | iteration 1 child | |
117 | iteration 2 start | |
118 | iteration 2 parent | |
119 | iteration 2 child | |
120 | iteration 2 start | |
121 | iteration 2 parent | |
122 | iteration 2 child | |
123 | iteration 3 start | |
124 | iteration 3 parent | |
125 | iteration 3 child | |
126 | iteration 3 start | |
127 | iteration 3 parent | |
128 | iteration 3 child | |
129 | iteration 3 start | |
130 | iteration 3 parent | |
131 | iteration 3 child | |
132 | iteration 3 start | |
133 | iteration 3 parent | |
134 | iteration 3 child | |
135 | ######## | |
136 | $| = 1; | |
137 | fork() | |
138 | ? (print("parent\n"),sleep(1)) | |
139 | : (print("child\n"),exit) ; | |
140 | EXPECT | |
141 | parent | |
142 | child | |
143 | ######## | |
144 | $| = 1; | |
145 | fork() | |
146 | ? (print("parent\n"),exit) | |
147 | : (print("child\n"),sleep(1)) ; | |
148 | EXPECT | |
149 | parent | |
150 | child | |
151 | ######## | |
152 | $| = 1; | |
153 | @a = (1..3); | |
154 | for (@a) { | |
155 | if (fork) { | |
156 | print "parent $_\n"; | |
157 | $_ = "[$_]"; | |
158 | } | |
159 | else { | |
160 | print "child $_\n"; | |
161 | $_ = "-$_-"; | |
162 | } | |
163 | } | |
164 | print "@a\n"; | |
165 | EXPECT | |
166 | parent 1 | |
167 | child 1 | |
168 | parent 2 | |
169 | child 2 | |
170 | parent 2 | |
171 | child 2 | |
172 | parent 3 | |
173 | child 3 | |
174 | parent 3 | |
175 | child 3 | |
176 | parent 3 | |
177 | child 3 | |
178 | parent 3 | |
179 | child 3 | |
180 | [1] [2] [3] | |
181 | -1- [2] [3] | |
182 | [1] -2- [3] | |
183 | [1] [2] -3- | |
184 | -1- -2- [3] | |
185 | -1- [2] -3- | |
186 | [1] -2- -3- | |
187 | -1- -2- -3- | |
188 | ######## | |
c3564e5c GS |
189 | $| = 1; |
190 | foreach my $c (1,2,3) { | |
191 | if (fork) { | |
192 | print "parent $c\n"; | |
193 | } | |
194 | else { | |
195 | print "child $c\n"; | |
196 | exit; | |
197 | } | |
198 | } | |
199 | while (wait() != -1) { print "waited\n" } | |
200 | EXPECT | |
201 | child 1 | |
202 | child 2 | |
203 | child 3 | |
204 | parent 1 | |
205 | parent 2 | |
206 | parent 3 | |
207 | waited | |
208 | waited | |
209 | waited | |
210 | ######## | |
7766f137 GS |
211 | use Config; |
212 | $| = 1; | |
213 | $\ = "\n"; | |
214 | fork() | |
215 | ? print($Config{osname} eq $^O) | |
216 | : print($Config{osname} eq $^O) ; | |
217 | EXPECT | |
218 | 1 | |
219 | 1 | |
220 | ######## | |
221 | $| = 1; | |
222 | $\ = "\n"; | |
223 | fork() | |
224 | ? do { require Config; print($Config::Config{osname} eq $^O); } | |
225 | : do { require Config; print($Config::Config{osname} eq $^O); } | |
226 | EXPECT | |
227 | 1 | |
228 | 1 | |
229 | ######## | |
230 | $| = 1; | |
231 | use Cwd; | |
232 | $\ = "\n"; | |
233 | my $dir; | |
234 | if (fork) { | |
235 | $dir = "f$$.tst"; | |
236 | mkdir $dir, 0755; | |
237 | chdir $dir; | |
238 | print cwd() =~ /\Q$dir/i ? "ok 1 parent" : "not ok 1 parent"; | |
239 | chdir ".."; | |
240 | rmdir $dir; | |
241 | } | |
242 | else { | |
243 | sleep 2; | |
244 | $dir = "f$$.tst"; | |
245 | mkdir $dir, 0755; | |
246 | chdir $dir; | |
247 | print cwd() =~ /\Q$dir/i ? "ok 1 child" : "not ok 1 child"; | |
248 | chdir ".."; | |
249 | rmdir $dir; | |
250 | } | |
251 | EXPECT | |
252 | ok 1 parent | |
253 | ok 1 child | |
254 | ######## | |
255 | $| = 1; | |
256 | $\ = "\n"; | |
257 | my $getenv; | |
258 | if ($^O eq 'MSWin32') { | |
259 | $getenv = qq[$^X -e "print \$ENV{TST}"]; | |
260 | } | |
261 | else { | |
262 | $getenv = qq[$^X -e 'print \$ENV{TST}']; | |
263 | } | |
35424068 | 264 | $ENV{TST} = 'foo'; |
7766f137 GS |
265 | if (fork) { |
266 | sleep 1; | |
35424068 GS |
267 | print "parent before: " . `$getenv`; |
268 | $ENV{TST} = 'bar'; | |
269 | print "parent after: " . `$getenv`; | |
7766f137 GS |
270 | } |
271 | else { | |
35424068 GS |
272 | print "child before: " . `$getenv`; |
273 | $ENV{TST} = 'baz'; | |
274 | print "child after: " . `$getenv`; | |
7766f137 GS |
275 | } |
276 | EXPECT | |
35424068 GS |
277 | child before: foo |
278 | child after: baz | |
279 | parent before: foo | |
280 | parent after: bar | |
7766f137 GS |
281 | ######## |
282 | $| = 1; | |
283 | $\ = "\n"; | |
284 | if ($pid = fork) { | |
285 | waitpid($pid,0); | |
286 | print "parent got $?" | |
287 | } | |
288 | else { | |
289 | exit(42); | |
290 | } | |
291 | EXPECT | |
292 | parent got 10752 | |
293 | ######## | |
294 | $| = 1; | |
295 | $\ = "\n"; | |
296 | my $echo = 'echo'; | |
297 | if ($pid = fork) { | |
298 | waitpid($pid,0); | |
299 | print "parent got $?" | |
300 | } | |
301 | else { | |
302 | exec("$echo foo"); | |
303 | } | |
304 | EXPECT | |
305 | foo | |
306 | parent got 0 | |
307 | ######## | |
308 | if (fork) { | |
309 | die "parent died"; | |
310 | } | |
311 | else { | |
312 | die "child died"; | |
313 | } | |
314 | EXPECT | |
315 | parent died at - line 2. | |
316 | child died at - line 5. | |
317 | ######## | |
318 | if ($pid = fork) { | |
319 | eval { die "parent died" }; | |
320 | print $@; | |
321 | } | |
322 | else { | |
323 | eval { die "child died" }; | |
324 | print $@; | |
325 | } | |
326 | EXPECT | |
327 | parent died at - line 2. | |
328 | child died at - line 6. | |
329 | ######## | |
330 | if (eval q{$pid = fork}) { | |
331 | eval q{ die "parent died" }; | |
332 | print $@; | |
333 | } | |
334 | else { | |
335 | eval q{ die "child died" }; | |
336 | print $@; | |
337 | } | |
338 | EXPECT | |
339 | parent died at (eval 2) line 1. | |
340 | child died at (eval 2) line 1. | |
341 | ######## | |
342 | BEGIN { | |
343 | $| = 1; | |
344 | fork and exit; | |
345 | print "inner\n"; | |
346 | } | |
347 | # XXX In emulated fork(), the child will not execute anything after | |
348 | # the BEGIN block, due to difficulties in recreating the parse stacks | |
349 | # and restarting yyparse() midstream in the child. This can potentially | |
350 | # be overcome by treating what's after the BEGIN{} as a brand new parse. | |
351 | #print "outer\n" | |
352 | EXPECT | |
353 | inner | |
030866aa GS |
354 | ######## |
355 | sub pipe_to_fork ($$) { | |
356 | my $parent = shift; | |
357 | my $child = shift; | |
358 | pipe($child, $parent) or die; | |
359 | my $pid = fork(); | |
360 | die "fork() failed: $!" unless defined $pid; | |
361 | close($pid ? $child : $parent); | |
362 | $pid; | |
363 | } | |
364 | ||
365 | if (pipe_to_fork('PARENT','CHILD')) { | |
366 | # parent | |
367 | print PARENT "pipe_to_fork\n"; | |
368 | close PARENT; | |
369 | } | |
370 | else { | |
371 | # child | |
372 | while (<CHILD>) { print; } | |
373 | close CHILD; | |
374 | exit; | |
375 | } | |
376 | ||
377 | sub pipe_from_fork ($$) { | |
378 | my $parent = shift; | |
379 | my $child = shift; | |
380 | pipe($parent, $child) or die; | |
381 | my $pid = fork(); | |
382 | die "fork() failed: $!" unless defined $pid; | |
383 | close($pid ? $child : $parent); | |
384 | $pid; | |
385 | } | |
386 | ||
387 | if (pipe_from_fork('PARENT','CHILD')) { | |
388 | # parent | |
389 | while (<PARENT>) { print; } | |
390 | close PARENT; | |
391 | } | |
392 | else { | |
393 | # child | |
394 | print CHILD "pipe_from_fork\n"; | |
395 | close CHILD; | |
396 | exit; | |
397 | } | |
398 | EXPECT | |
399 | pipe_from_fork | |
400 | pipe_to_fork | |
68a29c53 | 401 | ######## |
10d51319 | 402 | $|=1; |
68a29c53 GS |
403 | if ($pid = fork()) { |
404 | print "forked first kid\n"; | |
405 | print "waitpid() returned ok\n" if waitpid($pid,0) == $pid; | |
406 | } | |
407 | else { | |
408 | print "first child\n"; | |
409 | exit(0); | |
410 | } | |
411 | if ($pid = fork()) { | |
412 | print "forked second kid\n"; | |
413 | print "wait() returned ok\n" if wait() == $pid; | |
414 | } | |
415 | else { | |
416 | print "second child\n"; | |
417 | exit(0); | |
418 | } | |
419 | EXPECT | |
420 | forked first kid | |
421 | first child | |
422 | waitpid() returned ok | |
423 | forked second kid | |
424 | second child | |
425 | wait() returned ok |