hg: jdk/submit: 8227250: UserHandler contains ancient LinuxThreads code

[david.holmes at oracle.com]

Changeset: 98dfaf0f9442
Author:    dholmes
Date:      2019-07-31 00:02 -0400
URL:       https://hg.openjdk.java.net/jdk/submit/rev/98dfaf0f9442

8227250: UserHandler contains ancient LinuxThreads code
Reviewed-by: hseigel, dcubed

! src/hotspot/os/aix/os_aix.cpp
! src/hotspot/os/bsd/os_bsd.cpp
! src/hotspot/os/linux/os_linux.cpp