threads/154893: pthread_sigmask don't work if mask and oldmask are passed the same pointer

[deischen at FreeBSD.org]

Synopsis: pthread_sigmask don't work if mask and oldmask are passed the same pointer

State-Changed-From-To: open->closed
State-Changed-By: deischen
State-Changed-When: Mon Jan 16 16:08:58 UTC 2012
State-Changed-Why: 
This bug only seems to exist in libc_r which is deprecated.  If using
8.1, please use libthr and upgrade to 8.x if necessary to resolve any
bugs/issues that exist in 8.1 libthr.

http://www.freebsd.org/cgi/query-pr.cgi?pr=154893