blocking PIEthernet write works
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@@ -840,7 +840,7 @@ ssize_t PISerial::readDevice(void * read_to, ssize_t max_size) {
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if (ret < 0) {
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int err = errno;
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if (err == EBADF || err == EFAULT || err == EINVAL || err == EIO) {
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softStopThreadedRead();
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stopThreadedRead();
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close();
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return 0;
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}
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