Summary: Use @ignore to exclude failing tests
Reviewed-by: coleenp, ctornqvi, mseledtsov
Contributed-by: george.triantafillou@oracle.com

Summary: Added checking for gcc and simplified the sig_handler() in the test case
Reviewed-by: dcubed, coleenp, minqi, dlong

Summary: Added -DLINUX to the gcc command and improved the .sh script
Reviewed-by: dcubed, dholmes, minqi

Summary: Added (sig < MAXSIGNUM) check in jsig.c
Reviewed-by: dholmes, acorn