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sp_close(): disable exclusive mode to allow re-opening the port later #5

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sp_close(): disable exclusive mode to allow re-opening the port later #5

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4 changes: 4 additions & 0 deletions serialport.c
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Original file line number Diff line number Diff line change
Expand Up @@ -680,6 +680,10 @@ SP_API enum sp_return sp_close(struct sp_port *port)
port->write_buf = NULL;
}
#else
#ifdef TIOCNXCL
ioctl(port->fd, TIOCNXCL);
#endif

/* Returns 0 upon success, -1 upon failure. */
if (close(port->fd) == -1)
RETURN_FAIL("close() failed");
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