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[Compact]
[CCode (ref_function = "foo_ref", unref_function = "foo_unref")]
public class Foo {
[CCode (type = "volatile int")]
public int ref_count = 1;
public unowned Foo ref () {
AtomicInt.inc (ref ref_count);
return this;
}
public void unref () {
if (AtomicInt.dec_and_test (ref ref_count)) {
free ();
}
}
[DestroysInstance]
extern void free ();
}
void main () {
var foo = new Foo ();
assert(foo.ref_count == 1);
foo.ref ();
assert(foo.ref_count == 2);
foo.unref ();
assert(foo.ref_count == 1);
}
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