support creating new uts namespaces (and setting hostnames)
Bug: None
Test: `sudo ./minijail0 --uts=foo /bin/hostname` shows "foo"
Change-Id: Ibfd36fb64983413688fcbb58541b2aae3132df49
diff --git a/minijail0.1 b/minijail0.1
index e186fef..11579c2 100644
--- a/minijail0.1
+++ b/minijail0.1
@@ -147,6 +147,10 @@
.TP
\fB-Y\fR
Synchronize seccomp filters across thread group.
+.TP
+\fB--uts[=hostname]\fR
+Create a new UTS/hostname namespace, and optionally set the hostname in the new
+namespace to \fIhostname\fR.
.SH IMPLEMENTATION
This program is broken up into two parts: \fBminijail0\fR (the frontend) and a helper
library called \fBlibminijailpreload\fR. Some jailings can only be achieved from