@c README.texi describes the PIM coroutine libraries. @c Copyright @copyright{} 2000-2025 Free Software Foundation, Inc. @c @c This is part of the GM2 manual. @c For copying conditions, see the file gcc/doc/include/fdl.texi. This directory contains a PIM @code{SYSTEM} containing the @code{PROCESS} primitives built on top of @code{gthread}s.