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Bug 6818 – Globally shared class instances are never released

Status: RESOLVED
Resolution: INVALID
Severity: major
Priority: P2
Component: dmd
Product: D
Version: D2
Platform: Other
OS: Windows
Creation time: 2011-10-16T15:24:00Z
Last change time: 2012-01-29T20:37:19Z
Assigned to: nobody
Creator: andrej.mitrovich

Comments

Comment #0 by andrej.mitrovich — 2011-10-16T15:24:07Z

import std.stdio; __gshared Foo foo; class Foo { ~this() { writeln("Release Foo"); } } void main() { foo = new Foo; } OTOH the dtor gets properly called if it's a thread-local instance. Is this a known bug?

Comment #1 by andrej.mitrovich — 2012-01-29T20:37:19Z

__gshared variables go into the data segment (.BSS), and according to the docs: "Objects referenced from the data segment never get collected by the gc." (http://dlang.org/class.html). TLS class objects go to the .tls section and get collected.