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Requires patch 1 and 2 of the python series: https://www.redhat.com/archives/libguestfs/2017-January/msg00126.html This is the perl implementation along the same lines. We still haven't decided if patch 1 of the python series should change OCaml to report errno as reliable or not, but perhaps we can commit that patch as-is now and then touch things up further when we actually get set_error

...(stderr, "error: OCaml code did not call NBDKit.register_plugin\n"); exit (EXIT_FAILURE); } + plugin.errno_is_reliable = plugin_ocaml_errno_is_reliable; return &plugin; } diff --git a/plugins/perl/nbdkit-perl-plugin.pod b/plugins/perl/nbdkit-perl-plugin.pod index 3d0ce14..c02f8ef 100644 --- a/plugins/perl/nbdkit-perl-plugin.pod +++ b/plugins/perl/nbdkit-perl-plugin.pod @@ -282,6 +282,11 @@ If there is an error, the function should call C<die>. These are not needed because you can just use regular Perl C<BEGIN> and C<END> constructs. +=item Missing: C&lt...

This cleans up the existing code base with regards to implicit use of errno from language bindings, then rebases the previous work in python on top of that. I'm still playing with the perl bindings, but got further after reading 'perldoc perlembed'. Eric Blake (4): plugins: Don't use bogus errno from non-C plugins plugins: Add new nbdkit_set_error() utility function python: