posixify getppid on linux-multithread

Message-Id: <20020806215646.3f6852bb.rgarciasuarez@free.fr>

p4raw-id: //depot/perl@17798

1 files changed, 35 insertions, 0 deletions

diff --git a/t/op/getpid.t b/t/op/getpid.t
new file mode 100644
index 0000000000..dd06f006a6
--- /dev/null
+++ b/t/op/getpid.t
@@ -0,0 +1,35 @@
+#!perl -w
+
+# Tests if $$ and getppid return consistent values across threads
+
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = qw(../lib);
+}
+
+use strict;
+use Config;
+
+BEGIN {
+    if (!$Config{useithreads}) {
+	print "1..0 # Skip: no ithreads\n";
+	exit;
+    }
+    if (!$Config{d_getppid}) {
+	print "1..0 # Skip: no getppid\n";
+	exit;
+    }
+}
+
+use threads;
+use threads::shared;
+
+my ($pid, $ppid) = ($$, getppid());
+my $pid2 : shared = 0;
+my $ppid2 : shared = 0;
+
+new threads( sub { ($pid2, $ppid2) = ($$, getppid()); } ) -> join();
+
+print "1..2\n";
+print "not " if $pid  != $pid2;  print "ok 1 - pids\n";
+print "not " if $ppid != $ppid2; print "ok 2 - ppids\n";