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Fix MacOS write error caused by unflushed buffer #150

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Fix MacOS write error caused by unflushed buffer #150

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5 changes: 1 addition & 4 deletions src/PosixSerialPort.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -290,10 +290,7 @@ PosixSerialPort::put(int c)
void
PosixSerialPort::flush()
{
// There isn't a reliable way to flush on a file descriptor
// so we just wait it out. One millisecond is the USB poll
// interval so that should cover it.
usleep(1000);
tcdrain(_devfd);
}

bool
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