ref: ad9b1234c365919fa9d8cdb3008b4d42acf37c60
dir: /sys/lib/python/plat-irix6/GLWS.py/
NOERROR = 0 NOCONTEXT = -1 NODISPLAY = -2 NOWINDOW = -3 NOGRAPHICS = -4 NOTTOP = -5 NOVISUAL = -6 BUFSIZE = -7 BADWINDOW = -8 ALREADYBOUND = -100 BINDFAILED = -101 SETFAILED = -102