Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/569#discussion_r12027664
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -1058,6 +1057,12 @@ private[spark] object Utils extends Logging {
}
/**
+ * return true if this is Windows.
+ */
+ def isWindows = Option(System.getProperty("os.name")).
--- End diff --
Regarding `SecurityException`, `System.getProperty` will often be
disallowed in an environment where the security manager has been enabled. I
strongly suspect that the rest of Spark fails already in such an environment
for other reasons, and you could argue that the only reasonable response here
is to fail rather than "guess" that the environment is not Windows. But I put
it in mostly to mimic `SystemUtils`. It could go either way.
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