Commit | Line | Data |
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1 | #!./perl |
2 | |
3 | ##################################################################### |
4 | # |
5 | # Test for process id return value from open |
6 | # Ronald Schmidt (The Software Path) RonaldWS@software-path.com |
7 | # |
8 | ##################################################################### |
9 | |
10 | BEGIN { |
11 | chdir 't' if -d 't'; |
12 | unshift @INC, '../lib'; |
13 | } |
14 | |
15 | |
16 | use FileHandle; |
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17 | use Config; |
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18 | autoflush STDOUT 1; |
19 | $SIG{PIPE} = 'IGNORE'; |
20 | |
21 | print "1..10\n"; |
22 | |
23 | $perl = "$^X -I../lib"; |
24 | |
25 | # |
26 | # commands run 4 perl programs. Two of these programs write a |
27 | # short message to STDOUT and exit. Two of these programs |
28 | # read from STDIN. One reader never exits and must be killed. |
29 | # the other reader reads one line, waits a few seconds and then |
30 | # exits to test the waitpid function. |
31 | # |
32 | $cmd1 = qq/$perl -e "use FileHandle; autoflush STDOUT 1; / . |
33 | qq/print qq[first process\\n]; sleep 30;"/; |
34 | $cmd2 = qq/$perl -e "use FileHandle; autoflush STDOUT 1; / . |
35 | qq/print qq[second process\\n]; sleep 30;"/; |
36 | $cmd3 = qq/$perl -e "print <>;"/; # hangs waiting for end of STDIN |
37 | $cmd4 = qq/$perl -e "print scalar <>;"/; |
38 | |
39 | #warn "#$cmd1\n#$cmd2\n#$cmd3\n#$cmd4\n"; |
40 | |
41 | # start the processes |
42 | $pid1 = open(FH1, "$cmd1 |") or print "not "; |
43 | print "ok 1\n"; |
44 | $pid2 = open(FH2, "$cmd2 |") or print "not "; |
45 | print "ok 2\n"; |
46 | $pid3 = open(FH3, "| $cmd3") or print "not "; |
47 | print "ok 3\n"; |
48 | $pid4 = open(FH4, "| $cmd4") or print "not "; |
49 | print "ok 4\n"; |
50 | |
51 | print "# pids were $pid1, $pid2, $pid3, $pid4\n"; |
52 | |
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53 | my $killsig = 'HUP'; |
54 | $killsig = 1 unless $Config{sig_name} =~ /\bHUP\b/; |
55 | |
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56 | # get message from first process and kill it |
57 | chomp($from_pid1 = scalar(<FH1>)); |
58 | print "# child1 returned [$from_pid1]\nnot " |
59 | unless $from_pid1 eq 'first process'; |
60 | print "ok 5\n"; |
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61 | $kill_cnt = kill $killsig, $pid1; |
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62 | print "not " unless $kill_cnt == 1; |
63 | print "ok 6\n"; |
64 | |
65 | # get message from second process and kill second process and reader process |
66 | chomp($from_pid2 = scalar(<FH2>)); |
67 | print "# child2 returned [$from_pid2]\nnot " |
68 | unless $from_pid2 eq 'second process'; |
69 | print "ok 7\n"; |
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70 | $kill_cnt = kill $killsig, $pid2, $pid3; |
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71 | print "not " unless $kill_cnt == 2; |
72 | print "ok 8\n"; |
73 | |
74 | # send one expected line of text to child process and then wait for it |
75 | autoflush FH4 1; |
76 | print FH4 "ok 9\n"; |
77 | print "# waiting for process $pid4 to exit\n"; |
78 | $reap_pid = waitpid $pid4, 0; |
79 | print "# reaped pid $reap_pid != $pid4\nnot " |
80 | unless $reap_pid == $pid4; |
81 | print "ok 10\n"; |