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-rw-r--r--README.NONPORTABLE5
1 files changed, 5 insertions, 0 deletions
diff --git a/README.NONPORTABLE b/README.NONPORTABLE
index e25fc50..0821104 100644
--- a/README.NONPORTABLE
+++ b/README.NONPORTABLE
@@ -15,6 +15,11 @@ pthread_win32_test_features_np(int mask)
PTW32_SYSTEM_INTERLOCKED_COMPARE_EXCHANGE
Return TRUE if the native version of
InterlockedCompareExchange() is being used.
+ This feature is not meaningful in recent
+ library versions as MSVC builds only support
+ system implemented ICE. Note that all Mingw
+ builds use inlined asm versions of all the
+ Interlocked routines.
PTW32_ALERTABLE_ASYNC_CANCEL
Return TRUE is the QueueUserAPCEx package
QUSEREX.DLL is available and the AlertDrv.sys