Add pthread_attr_get_np() function. This is FreeBSD non-portable POSIX threads extenston function. It supposed to provide facility to get already created thread's attributes. Looks like it's last thing we need to make JDK's Hotspot building without requirement to have source tree.
Add pthread_attr_get_np() function. This is FreeBSD non-portable POSIX threads
extenston function. It supposed to provide facility to get already created
thread's attributes. Looks like it's last thing we need to make JDK's Hotspot
building without requirement to have source tree.

Reviewed by:	deischen
MFC after:	3 days

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase