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Diffstat (limited to 'src/mscorlib/src/System/Collections/Concurrent/ConcurrentStack.cs')
-rw-r--r--src/mscorlib/src/System/Collections/Concurrent/ConcurrentStack.cs18
1 files changed, 14 insertions, 4 deletions
diff --git a/src/mscorlib/src/System/Collections/Concurrent/ConcurrentStack.cs b/src/mscorlib/src/System/Collections/Concurrent/ConcurrentStack.cs
index 10a5201..82bc4f9 100644
--- a/src/mscorlib/src/System/Collections/Concurrent/ConcurrentStack.cs
+++ b/src/mscorlib/src/System/Collections/Concurrent/ConcurrentStack.cs
@@ -135,7 +135,7 @@ namespace System.Collections.Concurrent
{
get
{
- throw new NotSupportedException(Environment.GetResourceString("ConcurrentCollection_SyncRoot_NotSupported"));
+ throw new NotSupportedException(SR.ConcurrentCollection_SyncRoot_NotSupported);
}
}
@@ -306,7 +306,6 @@ namespace System.Collections.Concurrent
result = default(T);
return false;
-
}
/// <summary>
@@ -328,7 +327,7 @@ namespace System.Collections.Concurrent
Node head;
Node next;
int backoff = 1;
- Random r = new Random(Environment.TickCount & Int32.MaxValue); // avoid the case where TickCount could return Int32.MinValue
+ Random r = null;
while (true)
{
head = m_head;
@@ -359,7 +358,18 @@ namespace System.Collections.Concurrent
spin.SpinOnce();
}
- backoff = spin.NextSpinWillYield ? r.Next(1, BACKOFF_MAX_YIELDS) : backoff * 2;
+ if (spin.NextSpinWillYield)
+ {
+ if (r == null)
+ {
+ r = new Random();
+ }
+ backoff = r.Next(1, BACKOFF_MAX_YIELDS);
+ }
+ else
+ {
+ backoff *= 2;
+ }
}
}