Re: ns_tls? Was: [naviserver-devel] Re: [naviserver-commits] naviserver/nsd tclcache.c,1.2,1.3 tclcmds.c,1.34,1.35

[Vlad S. <vl...@cr...>]

You convinced me that at this moment ns_tls is not appropriate, i will 
remove it

Zoran Vasiljevic wrote:
> 
> On 16.04.2006, at 19:20, Vlad Seryakov wrote:
> 
>>
>> Using Ns_Tls in C looks very usafull, why not having the same in Tcl 
>> as well?
> 
> I belive what you did not "sell" correctly is the ability
> to have C and Tcl interface to same data in a "simple" manner.
> Because in my eyes, this is the major "pro".
> 
> Normally, I would not buy ns_tls interface if it were just
> a replacement for setting a global variable in Tcl. Because
> you can very simply setup a tiny Tcl wrapper:
> 
> proc ns_tls_set {key val}
>     set private::tls($key) $val
> }
> proc ns_tls_get {key}
>     set private::tls($key)
> }
> 
> (add some more simple code if you'd be using
>  [interp create] or such...)
> 
> But the fact that you can access the same things
> from C code makes ns_tls worth considering (still, you need
> to have some conventions in place about data-types...)
> 
> A good example of this dual interface is ns_config.
> It can be used from C and Tcl, which is why I was contemplating
> of adding more features there (perhaps allowing read/write operations
> after server startup).
> 
> I haven't check the implementation but you need to be careful
> if you plan to store Tcl_Obj's references there. I can't recall eactly
> but there might be problems when you make some Tcl_Obj's jump the
> interpreters...
> 
> Cheers
> Zoran
> 
> 
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-- 
Vlad Seryakov
571 262-8608 office
vl...@cr...
http://www.crystalballinc.com/vlad/