Re: MS_SYNC (and other) Macros

[Thomas Bushnell, BSG]

Brent Fulgham <[EMAIL PROTECTED]> writes:

> Fine, but the problem of synching a known memory object to disk is
> left as an exercise to the reader. :-)  Apt uses msync to force the
> disk image to mirror the state of the package database in memory so
> that a crash or other unforseen problem will not leave the system in
> an unknown or unstable state.

If you know what the file is that the memory object corresponds to,
you can do fsync on it, and that will guarantee what you want.