K 10 svn:author V 7 davidxu K 8 svn:date V 27 2006-02-13T03:16:55.000000Z K 7 svn:log V 229 In order to speed up process suspension on MP machine, send IPI to remote CPU. While here, abstract thread suspension code into a function called sig_suspend_threads, the function is called when a process received a STOP signal. END