Change SPIN_LOCK_ACQUIRED to 1 and SPIN_LOCK_RELEASED to 2 according to MWG.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@310 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 6 insertions, 4 deletions

diff --git a/MdePkg/Library/BaseLib/Synchronization.c b/MdePkg/Library/BaseLib/Synchronization.c
index df395869a2..c04edfc251 100644
--- a/MdePkg/Library/BaseLib/Synchronization.c
+++ b/MdePkg/Library/BaseLib/Synchronization.c
@@ -14,8 +14,8 @@
 

 **/

 

-#define SPIN_LOCK_RELEASED          ((SPIN_LOCK)0)

-#define SPIN_LOCK_ACQUIRED          ((SPIN_LOCK)-1)

+#define SPIN_LOCK_RELEASED          ((SPIN_LOCK)1)

+#define SPIN_LOCK_ACQUIRED          ((SPIN_LOCK)2)

 

 UINT32

 EFIAPI

@@ -94,7 +94,7 @@ InitializeSpinLock (
   )

 {

   ASSERT (SpinLock != NULL);

-  *SpinLock = 0;

+  *SpinLock = SPIN_LOCK_RELEASED;

   return SpinLock;

 }

 

@@ -178,6 +178,7 @@ AcquireSpinLockOrFail (
   )

 {

   ASSERT (SpinLock != NULL);

+  ASSERT (*SpinLock == SPIN_LOCK_ACQUIRED || *SpinLock == SPIN_LOCK_RELEASED);

   return (BOOLEAN)(

            InterlockedCompareExchangePointer (

              (VOID**)SpinLock,

@@ -208,7 +209,8 @@ ReleaseSpinLock (
   )

 {

   ASSERT (SpinLock != NULL);

-  *SpinLock = 0;

+  ASSERT (*SpinLock == SPIN_LOCK_ACQUIRED || *SpinLock == SPIN_LOCK_RELEASED);

+  *SpinLock = SPIN_LOCK_RELEASED;

   return SpinLock;

 }