Pod formatting nit, found by Merijn and Jos Boumans.

[p5sagit/p5-mst-13.2.git] / pod / perlfunc.pod

diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod
index 90eeb97..53ac84e 100644 (file)
--- a/pod/perlfunc.pod
+++ b/pod/perlfunc.pod
@@ -1870,6 +1870,13 @@ does not accept a PID argument, so only C<PID==0> is truly portable.
 
 Returns the process id of the parent process.
 
+Note for Linux users: on Linux, the C functions C<getpid()> and
+C<getppid()> return different values from different threads. In order to
+be portable, this behavior is not reflected by the perl-level function
+C<getppid()>, that returns a consistent value across threads. If you want
+to call the underlying C<getppid()>, you may use the CPAN module
+C<Linux::Pid>.
+
 =item getpriority WHICH,WHO
 
 Returns the current priority for a process, a process group, or a user.