Re: [take12 0/3] kevent: Generic event handling mechanism.

On 8/23/06, Evgeniy Polyakov [off-list ref] wrote:

No, it will change sizes of the structure in kernelspace and userspace,
so they just can not communicate.

struct kevent {
  uintptr_t ident;        /* identifier for this event */
  short     filter;       /* filter for event */
  u_short   flags;        /* action flags for kqueue */
  u_int     fflags;       /* filter flag value */

  union {
    u32       _data_padding[2];
    intptr_t  data;         /* filter data value */
  };

  union {
    u32       _udata_padding[2];
    void      *udata;       /* opaque user data identifier */
  };
};

I'm not missing anything obvious here, I hope.

Rakshasa