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Fix a race.

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--HG--
branch : groups
This commit is contained in:
Kris Maglione
2011-02-10 16:23:38 -05:00
parent 60063a8f91
commit 89020be0ee
4 changed files with 30 additions and 22 deletions
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17
common/modules/base.jsm
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@@ -440,25 +440,24 @@ function isinstance(object, interfaces) {
if (object == null)
return false;
interfaces = Array.concat(interfaces);
for (var i = 0; i < interfaces.length; i++) {
if (typeof interfaces[i] === "string") {
if (objproto.toString.call(object) === "[object " + interfaces[i] + "]")
return Array.concat(interfaces).some(function isinstance_some(iface) {
if (typeof iface === "string") {
if (objproto.toString.call(object) === "[object " + iface + "]")
return true;
}
else if (typeof object === "object" && "isinstance" in object && object.isinstance !== isinstance) {
if (object.isinstance(interfaces[i]))
if (object.isinstance(iface))
return true;
}
else {
if (object instanceof interfaces[i])
if (object instanceof iface)
return true;
var type = isinstance_types[typeof object];
if (type && isSubclass(interfaces[i], type))
if (type && isSubclass(iface, type))
return true;
}
}
return false;
return false;
});
}
/**