Make pause(3) implementation not depended on the legacy sigcompat.c interfaces. Do not block rt signals during and after pause(3) calls. Use private libc namespace to call proper methods.
Make pause(3) implementation not depended on the legacy sigcompat.c
interfaces. Do not block rt signals during and after pause(3) calls.
Use private libc namespace to call proper methods.

MFC after:	1 week

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