--- /dev/null
+++ Libc/Libc-391.5.22/gen/FreeBSD/usleep.3.patch
@@ -0,0 +1,29 @@
+--- /Volumes/XDisk/tmp/Libc/gen/FreeBSD/usleep.3.orig	2002-12-28 16:59:09.000000000 -0800
++++ /Volumes/XDisk/tmp/Libc/gen/FreeBSD/usleep.3	2004-10-24 17:08:28.000000000 -0700
+@@ -37,7 +37,7 @@
+ .Os
+ .Sh NAME
+ .Nm usleep
+-.Nd suspend process execution for an interval measured in microseconds
++.Nd suspend thread execution for an interval measured in microseconds
+ .Sh LIBRARY
+ .Lb libc
+ .Sh SYNOPSIS
+@@ -47,12 +47,13 @@
+ .Sh DESCRIPTION
+ The
+ .Fn usleep
+-function suspends execution of the calling process until either
++function suspends execution of the calling thread until either
+ .Fa microseconds
+-microseconds have elapsed or a signal is delivered to the process and its
++microseconds have elapsed or a signal is delivered to the thread and its
+ action is to invoke a signal-catching function or to terminate the
+-process.
+-System activity may lengthen the sleep by an indeterminate amount.
++thread or process.
++The actual time slept may be longer, due to system latencies
++and possible limitations in the timer resolution of the hardware.
+ .Pp
+ This function is implemented using
+ .Xr nanosleep 2