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import signal, time, struct, fcntl, termios, os, sys
def getwinsize():
"""This returns the window size of the child tty.
The return value is a tuple of (rows, cols).
"""
if 'TIOCGWINSZ' in dir(termios):
TIOCGWINSZ = termios.TIOCGWINSZ
else:
TIOCGWINSZ = 1074295912L # Assume
s = struct.pack('HHHH', 0, 0, 0, 0)
x = fcntl.ioctl(sys.stdout.fileno(), TIOCGWINSZ, s)
return struct.unpack('HHHH', x)[0:2]
def handler(signum, frame):
print 'signal'
sys.stdout.flush()
print 'SIGWINCH:', getwinsize ()
sys.stdout.flush()
print "setting handler for SIGWINCH"
signal.signal(signal.SIGWINCH, handler)
while 1:
sys.stdout.flush()
time.sleep(1)
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