PR_GetCurrentThread. The patch is contributed by Tim <timwatt@gmail.com>.
r=wtc.
Modified Files: prmsgc.c btthread.c rcthread.cpp mdmac.c prthinfo.c ptio.c
ptsynch.c ptthread.c cltsrv.c intrupt.c perf.c provider.c
git-svn-id: svn://10.0.0.236/trunk@184272 18797224-902f-48f8-a5cc-f745e15eee43