From: Tobias Schwinger
Johan Nilsson wrote:
Tobias Schwinger wrote:
Edson Tadeu wrote:
Does it support a single singleton across multiple DLL's? I.e., singleton S is accessed the first time by DLL A (and is created), then it is accessed by DLL B. Does DLL B create a new instance of singleton S for it, or can it use the one created by DLL A as a truly global singleton? Yes. See the documentation for details.
Unless you have updated the documentation since the announcement, I think it would be a good idea to explain this in better detail. An 'implementation details' section would be a great addition to the document.
OK, I'll take this as the "how does it work"-question :-).
It's actually quite easy: The macros introduce a member function that is defined in compiled code and used to access the Singleton. This way, all code to manage a Singleton's lifetime is in one place.
I haven't looked at the library, but I don't understand how that works on Windows. Won't both DLLs have their own copy of the compiled code, and hence won't they both have their own copy of the singleton? -- Martin Bonner Senior Software Engineer/Team Leader PI SHURLOK LTD Telephone: +44 1223 441434 / 203894 (direct) Fax: +44 1223 203999 Email: martin.bonner@pi-shurlok.com www.pi-shurlok.com disclaimer