K 10 svn:author V 7 davidxu K 8 svn:date V 27 2003-06-15T12:51:26.000000Z K 7 svn:log V 307 1. Add code to support bound thread. when blocked, a bound thread never schedules an upcall. Signal delivering to a bound thread is same as non-threaded process. This is intended to be used by libpthread to implement PTHREAD_SCOPE_SYSTEM thread. 2. Simplify kse_release() a bit, remove sleep loop. END