K 10 svn:author V 2 mp K 8 svn:date V 27 2016-03-05T19:55:42.951369Z K 7 svn:log V 313 Signal handling within tcsh vfork code path will conflict with some system libraries (such as libthr) which maintain their own signal state. This change adds the tcsh SAVESIGVEC option to save and restore the sigvecs for the signals the child modifies before it execs. Reviewed by: kib, rwatson Reported by: kib END