NAME
   CSSM_SPI_ModuleUnload - Disable events and deregister CSSM event
                           notification (CDSA)

 SYNOPSIS
   # include <cssm.h>

        CSSM_RETURN CSSMSPI CSSM_SPI_ModuleUnload
        (const CSSM_GUID *CssmGuid,
        const CSSM_GUID *ModuleGuid,
        CSSM_SPI_ModuleEventHandler CssmNotifyCallback,
        void* CssmNotifyCallbackCtx)

 LIBRARY
   Common Security Services Manager library (CDSA$INCSSM300_SHR.EXE)

 PARAMETERS
   CssmGuid (input)
           The CSSM_GUID of the caller.

   ModuleGuid (input)
           The CSSM_GUID of the invoked service provider module.

   CssmNotifyCallback (input)
           A function pointer for the CSSM event handler that manages
           events of type CSSM_MODULE_EVENT.

   CssmNotifyCallbackCtx (input)
           The context to be returned to CSSM as input on each callback
           to the event handler defined by CssmNotifyCallback.

 DESCRIPTION
   This function disables events and deregisters the CSSM event-
   notification function. The add-in service module can perform
   cleanup operations, reversing the initialization performed in
   CSSM_SPI_ModuleLoad().

 RETURN VALUE
   A CSSM_RETURN value indicating success or specifying a particular
   error condition. The value CSSM_OK indicates success. All other
   values represent an error condition.

 ERRORS
   Errors are described in the CDSA technical standard.  See CDSA.

 SEE ALSO
   Books

   Intel CDSA Application Developer's Guide (see CDSA)

   Other Help Topics

   Functions: CSSM_SPI_ModuleDetach
              CSSM_SPI_ModuleLoad