K 10 svn:author V 7 davidxu K 8 svn:date V 27 2003-11-10T03:11:08.000000Z K 7 svn:log V 294 If a thread masks all its signal, in cursig(), no signal will be exchanged with debugger, so testing P_TRACED in SIGPENDING is useless. This test also is the culprit which causes lots of 'failed to set signal flags properly for ast()' to be printed on console which is just a false complaint. END