installation specific to a particular C library. This version is for
GNU/Linux libc6 (glibc2).
.PP
+.B authbind
+may not operate correctly with multithreaded programs. It is
+inherently very difficult (if not impossible) to perform the kind of
+trickery that authbind does while preventing all undesirable
+interactions between authbind's activities and those of (say) a
+threading runtime system.
+.PP
It is quite possible that
.B authbind
and other programs and facilities which use
.B authbind
is ineffective with setuid programs, because they do not honour
.B LD_PRELOAD
-for security reasons. Of course a setuid-root program does not need
+references outside the system directories, for security reasons. (In
+fact, setuid programs should not honour
+.B LD_PRELOAD
+at all.)
+Of course a setuid-root program does not need
.BR authbind ,
but it might be useful to apply it to program which are setuid to
another user or setgid. If the author or builder of such a programs