-
#!./perl
#####################################################################
BEGIN {
chdir 't' if -d 't';
- unshift @INC, '../lib';
+ @INC = '../lib';
+ if ($^O eq 'dos') {
+ print "1..0 # Skip: no multitasking\n";
+ exit 0;
+ }
}
-
-use FileHandle;
-autoflush STDOUT 1;
+use Config;
+$| = 1;
$SIG{PIPE} = 'IGNORE';
print "1..10\n";
-$perl = "$^X -I../lib";
+$perl = qq[$^X "-I../lib"];
#
# commands run 4 perl programs. Two of these programs write a
# the other reader reads one line, waits a few seconds and then
# exits to test the waitpid function.
#
-$cmd1 = qq/$perl -e "use FileHandle; autoflush STDOUT 1; / .
- qq/print qq[first process\\n]; sleep 30;"/;
-$cmd2 = qq/$perl -e "use FileHandle; autoflush STDOUT 1; / .
- qq/print qq[second process\\n]; sleep 30;"/;
+$cmd1 = qq/$perl -e "\$|=1; print qq[first process\\n]; sleep 30;"/;
+$cmd2 = qq/$perl -e "\$|=1; print qq[second process\\n]; sleep 30;"/;
$cmd3 = qq/$perl -e "print <>;"/; # hangs waiting for end of STDIN
$cmd4 = qq/$perl -e "print scalar <>;"/;
print "# pids were $pid1, $pid2, $pid3, $pid4\n";
+my $killsig = 'HUP';
+$killsig = 1 unless $Config{sig_name} =~ /\bHUP\b/;
+
# get message from first process and kill it
chomp($from_pid1 = scalar(<FH1>));
print "# child1 returned [$from_pid1]\nnot "
unless $from_pid1 eq 'first process';
print "ok 5\n";
-$kill_cnt = kill STOP, $pid1;
+$kill_cnt = kill $killsig, $pid1;
print "not " unless $kill_cnt == 1;
print "ok 6\n";
print "# child2 returned [$from_pid2]\nnot "
unless $from_pid2 eq 'second process';
print "ok 7\n";
-$kill_cnt = kill STOP, $pid2, $pid3;
+$kill_cnt = kill $killsig, $pid2, $pid3;
print "not " unless $kill_cnt == 2;
print "ok 8\n";
# send one expected line of text to child process and then wait for it
-autoflush FH4 1;
+select(FH4); $| = 1; select(STDOUT);
+
print FH4 "ok 9\n";
print "# waiting for process $pid4 to exit\n";
$reap_pid = waitpid $pid4, 0;
print "# reaped pid $reap_pid != $pid4\nnot "
- unless $reap_pid == $pid4;
+ unless $reap_pid == $pid4;
print "ok 10\n";