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select() on serial usb in avalon does not work properly with zero timeout.

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This commit is contained in:
Con Kolivas 2013-04-08 12:01:16 +10:00
parent 08c0ac290c
commit af65870244
1 changed files with 6 additions and 6 deletions
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12
driver-avalon.c
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@ -212,13 +212,13 @@ static inline int avalon_gets(int fd, uint8_t *buf, struct thr_info *thr,
struct timeval timeout;
fd_set rd;
if (unlikely(thr->work_restart)) {
applog(LOG_DEBUG, "Avalon: Work restart");
return AVA_GETS_RESTART;
}
timeout.tv_sec = 0;
/* If we get a restart message, still check if there's
* anything in the buffer waiting to be parsed */
if (unlikely(thr->work_restart || !first))
timeout.tv_usec = 0;
else
timeout.tv_usec = 100000;
timeout.tv_usec = 100000;
FD_ZERO(&rd);
FD_SET(fd, &rd);