[Bug translator/26296] delay script-global locking until required

[fche at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=26296

--- Comment #3 from Frank Ch. Eigler <fche at redhat dot com> ---
> Even an explicit construct that scopes locking would be handy. Borrow from
> Java's "synchronized" perhaps.

If one can come up with easy-to-explain, implementable, safe
semantics, yeah perhaps!

> global targets_map;
> 
> probe process("foo").mark("some_probe_point") {
>   if (pid() in targets_map) {
>       kdelay(100000);
>   }
> }

In this example, you need the dual of the subject feature: 
release of locks as early as possible.

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