I wrote on 2007-02-03:
> +#define RAW1394_IOC_GET_CYCLE_TIMER \
> + _IOR ('#', 0x30, struct raw1394_cycle_timer)
...
> +/* argument to RAW1394_IOC_GET_CYCLE_TIMER ioctl */
> +struct raw1394_cycle_timer {
> + /* contents of Isochronous Cycle Timer register,
> + as in OHCI 1.1 clause 5.13 (also with non-OHCI hosts) */
> + __u32 cycle_timer;
> +
> + /* local time in microseconds since Epoch,
> + simultaneously read with cycle timer */
> + __u64 local_time;
> +};
> #endif /* IEEE1394_RAW1394_H */
Hmm, is this struct padded on 64bit platforms?
If so, would
struct raw1394_cycle_timer {
__u64 local_time;
__u32 cycle_timer;
};
be padded too?
--
Stefan Richter
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http://arcgraph.de/sr/
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