Add [in,out] in the @param for PCD header and c file.

Update GetNextToken and GetNextTokenSpaces APIs parameter sequence according to PCD spec.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1040 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 9 insertions, 1 deletions

diff --git a/MdePkg/Include/Library/PcdLib.h b/MdePkg/Include/Library/PcdLib.h
index 4902d2b3de..a0201049a5 100644
--- a/MdePkg/Include/Library/PcdLib.h
+++ b/MdePkg/Include/Library/PcdLib.h
@@ -624,9 +624,17 @@ LibPcdSetExBool (
   If Guid is NULL, then the default token space is used. 

   If NotificationFunction is NULL, then ASSERT().

 

+  This notification function serves two purposes. Firstly, it notifies the module which 

+  did the registration that the value of this PCD token has been set. Secondly, 

+  it provides a mechanism for the module which did the registration to intercept 

+  the set operation and override the value been set if necessary. After the invocation 

+  of the callback function, TokenData will be used by PCD service PEIM or driver to 

+  modify the internal data in PCD database. 

+

+

   @param[in]  CallBackGuid The PCD token GUID being set.

   @param[in]  CallBackToken The PCD token number being set.

-  @param[in]  TokenData A pointer to the token data being set.

+  @param[in, out]  TokenData A pointer to the token data being set.

   @param[in]  TokenDataSize The size, in bytes, of the data being set.

 

   @retval VOID