15.9 Native threads and foreign code

Support for native threads differs between platforms as described in this section.

15.9.1 Native threads on Windows, Mac OS X, Linux, x86/x64 Solaris and FreeBSD

15.9.2 Native threads on other platforms

15.9.3 Foreign callbacks on threads not created by Lisp

LispWorks User Guide and Reference Manual - 21 Dec 2011