_ERROR(EMPTY, "file empty") \
_ERROR(MMAP, "mmap error") \
_ERROR(OSL, "osl error") \
- _ERROR(SIGNAL_SIG_ERR, "signal() returned SIG_ERR") \
+ _ERROR(SIGACTION, "could not install signal handler") \
_ERROR(OUTPUT, "error writing output") \
_ERROR(MALFORMED_FORMAT, "malformed format string") \
_ERROR(BAD_ALIGN_SPEC, "bad alignment specifier") \