encode-decode round-trip "INT ILL ABRT FPE SEGV TERM":
INT
ILL
ABRT
FPE
SEGV
TERM
encode-decode round-trip "HUP QUIT TRAP PIPE ALRM":
HUP
QUIT
TRAP
PIPE
ALRM
encode-decode round-trip "USR1":
USR1
Pending (thread):
ILL
INT
Pending (process):
USR1
Blocked:
ABRT
FPE
ILL
INT
SEGV
TERM
USR1
Ignored:
ALRM
HUP
PIPE
QUIT
TRAP
Caught:
ILL
USR1
