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-rw-r--r--MdePkg/Library/BaseLib/X64/InterlockedIncrement.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/MdePkg/Library/BaseLib/X64/InterlockedIncrement.c b/MdePkg/Library/BaseLib/X64/InterlockedIncrement.c
index eda9f79a5b..80921c82df 100644
--- a/MdePkg/Library/BaseLib/X64/InterlockedIncrement.c
+++ b/MdePkg/Library/BaseLib/X64/InterlockedIncrement.c
@@ -12,15 +12,28 @@
**/
-//
-// Microsoft Visual Studio 7.1 Function Prototypes for I/O Intrinsics
-//
+/**
+ Microsoft Visual Studio 7.1 Function Prototypes for I/O Intrinsics.
+**/
long _InterlockedIncrement(
long * lpAddend
);
#pragma intrinsic(_InterlockedIncrement)
+/**
+ Performs an atomic increment of an 32-bit unsigned integer.
+
+ Performs an atomic increment of the 32-bit unsigned integer specified by
+ Value and returns the incremented value. The increment operation must be
+ performed using MP safe mechanisms. The state of the return value is not
+ guaranteed to be MP safe.
+
+ @param Value A pointer to the 32-bit value to increment.
+
+ @return The incremented value.
+
+**/
UINT32
EFIAPI
InternalSyncIncrement (