Advice wanted on garbage collection of sockets for c++ programmer using D
Steven Schveighoffer via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Tue Jun 27 09:16:03 PDT 2017
On 6/27/17 11:24 AM, Steven Schveighoffer wrote:
> On 6/27/17 9:25 AM, Guillaume Piolat wrote:
>> That's how the GC-proof resource class came to existence, after many
>> destruction bugs, and it let's you use the GC as a detector for
>> non-deterministic destruction. I miss it in @nogc :)
>>
>> https://p0nce.github.io/d-idioms/#GC-proof-resource-class
>
> There are definitely better ways to do this than trying to allocate and
> catching an error. The GC knows the GC is running, use that mechanism
> instead :)
https://github.com/dlang/druntime/blob/master/src/gc/gcinterface.d#L189
https://github.com/dlang/druntime/blob/master/src/core/memory.d#L150
Apparently that info is limited to the core.memory package. But it's
extern(C), so declaring the prototype should work. Should be much more
efficient than allocating a byte (which I see you don't delete if it
works), and catching an error.
-Steve
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