Re: [boost] Solving Robert's singleton problem

On 10/18/18 10:19 PM, Niall Douglas via Boost wrote:

The way I have solved this problem is brutal, but it works. In my singleton constructor, I create a named shared memory area unique to my process. In that named shared memory area, I store a pointer to myself, and nothing else.

Since you are using shared memory, another (untested) solution could be to let the singleton data be instantiated in shared memory together with a reference count. A singleton is simply a proxy for this data, and the reference count is use to track which singleton should create or destroy the data.