Function nonblock

tests/platform_checks/check_handler.py:11–17

(fd)

GLOBAL_SIGCHLD_RECEIVED = 0
                                                                                 
def nonblock (fd):                                                           
	# if O_NDELAY is set read() returns 0 (ambiguous with EOF).
	# if O_NONBLOCK is set read() returns -1 and sets errno to EAGAIN
	original_flags = fcntl.fcntl (fd, fcntl.F_GETFL, 0)
	flags = original_flags | os.O_NONBLOCK
	fcntl.fcntl(fd, fcntl.F_SETFL, flags)
	return original_flags

def signal_handler (signum, frame):
	print '<HANDLER>'