diff options
| -rwxr-xr-x | Tools/audiopy/audiopy | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/Tools/audiopy/audiopy b/Tools/audiopy/audiopy index 1d6a641..19d69fd 100755 --- a/Tools/audiopy/audiopy +++ b/Tools/audiopy/audiopy @@ -54,7 +54,7 @@ from SUNAUDIODEV import * # Milliseconds between interrupt checks KEEPALIVE_TIMER = 500 -__version__ = '1.0' +__version__ = '1.1' @@ -278,10 +278,19 @@ Email: bwarsaw@python.org''' % __version__) self.__update() def __update(self, num=None, frame=None): - # We have to poll because the device could have changed state and the - # underlying module does not support the SIGPOLL notification - # interface. - info = self.__devctl.getinfo() + # It's possible (although I have never seen it) to get an interrupted + # system call during the getinfo() call. If so, and we're polling, + # don't sweat it because we'll come around again later. Otherwise, + # we'll give it a couple of tries and then give up until next time. + tries = 0 + while 1: + try: + info = self.__devctl.getinfo() + break + except sunaudiodev.error: + if self.__needtopoll or tries > 3: + return + tries = tries + 1 # input self.__inputvar.set(info.i_port) # output |