Commit | Line | Data |
8d063cd8 |
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 |
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 | $ENV{PERL5LIB} = "../lib"; |
774d564b |
19 | } |
20 | |
0994c4d0 |
21 | if ($^O eq 'mpeix') { |
22 | print "1..0 # Skip: fork/status problems on MPE/iX\n"; |
23 | exit 0; |
24 | } |
25 | |
7766f137 |
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 |
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 $tmpfile 2>&1`; |
53 | } |
2986a63f |
54 | elsif ($^O eq 'NetWare') { |
55 | $results = `perl -I../lib $switch $tmpfile 2>&1`; |
56 | } |
7766f137 |
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 |
67 | $results =~ s/^\n*Process terminated by SIG\w+\n?//mg |
68 | if $^O eq 'os2'; |
7766f137 |
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 |
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 |
90 | } |
91 | else { |
8d063cd8 |
92 | print "ok 1\n"; |
93 | sleep 10; |
94 | } |
7766f137 |
95 | EXPECT |
96 | ok 1 |
97 | ok 2 |
98 | ######## |
99 | $| = 1; |
aeecf691 |
100 | if ($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 |
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 |
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 |
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 |
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 |
286 | if (fork) { |
287 | sleep 1; |
35424068 |
288 | print "parent before: " . `$getenv`; |
289 | $ENV{TST} = 'bar'; |
290 | print "parent after: " . `$getenv`; |
7766f137 |
291 | } |
292 | else { |
35424068 |
293 | print "child before: " . `$getenv`; |
294 | $ENV{TST} = 'baz'; |
295 | print "child after: " . `$getenv`; |
7766f137 |
296 | } |
297 | EXPECT |
35424068 |
298 | child before: foo |
299 | child after: baz |
300 | parent before: foo |
301 | parent after: bar |
7766f137 |
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 |
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 | $|=1; |
68a29c53 |
424 | if ($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 |
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 |