@spiceErrorCheck<EOL>def gfbail():
return bool(libspice.gfbail_c())<EOL>
Indicate whether an interrupt signal (SIGINT) has been received.

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/gfbail_c.html

:return: True if an interrupt signal has been received by the GF handler.
:rtype: bool