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[Libvir] OCaml binding 0.3.0.1 released



Richard W.M. Jones wrote:
http://et.redhat.com/~rjones/ocaml-libvirt/

Just a quick note to say that I've upgraded the bindings again.

- Included the fix for domain/network handles in mlvirsh (http://www.redhat.com/archives/libvir-list/2007-June/msg00361.html)

- Connections, domain and network handles are now statically typed "read-write" or "read-only". C.connect gives you a read-write connection handle. C.connect_readonly gives you a read-only connection handle. From a read-only connection handle you can only derive read-only domain and network handles. You can demote a read-write handle to a read-only handle using the C/D/N.const functions, but obviously not the other way around. This makes it impossible to compile programs that do write/update things on read-only handles. No code changes are required[1] and there is no runtime penalty.

As a good example of this, see http://et.redhat.com/~rjones/ocaml-libvirt/html/Libvirt.Domain.html#VALcreate_linux
and the subsequent functions.

Rich.

[1] Well, unless you were doing unsafe things with read-only handles before, in which case you need to fix your program!

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