Re: Patch to retrieve send rights for shared memory objects

[Roland McGrath]

> #define S_IMAPPED    000100000000 /* Might be mmap'd.  */
> #define S_IMAPPEDM   000200000000 /* Might be mmap'd more than once.  */

Actually, for compatibility purposes it's better to reverse the sense of
those bits.  i.e.

#define S_IMMAP0        000100000000 /* Definitely no mmap's to this.  */
#define S_IMMAP1        000100000000 /* Probably only one mmap to this.  */