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From: "David E. O'Brien" <obrien@FreeBSD.org>
Date: Thu, 15 Jan 2004 18:07:04 -0800 (PST)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/compat/ndis ndis_var.h ntoskrnl_var.h
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obrien      2004/01/15 18:07:04 PST

  FreeBSD src repository

  Modified files:
    sys/compat/ndis      ndis_var.h ntoskrnl_var.h 
  Log:
  The ndis_kspin_lock type is called KSPIN_LOCK in MS-Windows.
  According to the Windows DDK header files, KSPIN_LOCK is defined like this:
          typedef ULONG_PTR KSPIN_LOCK;
  
  From basetsd.h (SDK, Feb. 2003):
          typedef [public] unsigned __int3264 ULONG_PTR, *PULONG_PTR;
          typedef unsigned __int64 ULONG_PTR, *PULONG_PTR;
          typedef _W64 unsigned long ULONG_PTR, *PULONG_PTR;
  
  The keyword __int3264 specifies an integral type that has the following
  properties:
   + It is 32-bit on 32-bit platforms
   + It is 64-bit on 64-bit platforms
   + It is 32-bit on the wire for backward compatibility.
     It gets truncated on the sending side and extended appropriately
     (signed or unsigned) on the receiving side.
  
  Thus register_t seems the proper mapping onto FreeBSD for spin locks.
  
  Revision  Changes    Path
  1.16      +1 -1      src/sys/compat/ndis/ndis_var.h
  1.5       +22 -1     src/sys/compat/ndis/ntoskrnl_var.h