Proposal and RFC: DAL, the Desktop Abstraction Layer
hp at redhat.com
Sun Jan 16 01:22:19 EET 2005
On Sat, 2005-01-15 at 15:39 -0500, David Collier-Brown wrote:
> In the Unix/C world, this was conventionally simulated via playing
> with names. read() is a normal interface, _read() is one reserved for
> internal use, and __read, ___read and so on are treated the same as
We can do simple naming convention stuff (e.g. .internal. in the
namespace, Eclipse does this with Java) but it doesn't enforce anything.
> Solaris has a tool, appcert, which checks for use of reserved
> interfaces, as part of the normal versioning scheme, and reports
> use of the reserved ones by applications.
Right, have seen this one.
> There is an elegant way, assuming you're using ELF or better: write
> a filter library that exports only the public interfaces to external
> callers, and only document the filtered interfaces and the filter
> library. This causes one extra lookup and open when the library
> is first used, but no extra work once that's done.
I have the problem solved for ELF, libdbus only exports public symbols.
The issue here is dbus interfaces.
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