Changeset 23610 in vbox for trunk/src/VBox/Runtime/include

Timestamp:

Oct 7, 2009 9:22:10 PM (15 years ago)

Author:

vboxsync

Message:

IPRT,VMM,SUPDrv,VBGLR0: Added a parameter to RTR0MemObjLockUser/Kernel that indicates read/write intent so we can correctly lock readonly memory on Windows and OS/2. (Guest property strings, see #4238.)

File:

• trunk/src/VBox/Runtime/include/internal/memobj.h (modified) (2 diffs)

trunk/src/VBox/Runtime/include/internal/memobj.h

@@ -335 +335 @@
  * @param   R3Ptr           User virtual address, page aligned.
  * @param   cb              Number of bytes to lock, page aligned.
+ * @param   fAccess         The desired access, a combination of RTMEM_PROT_READ
+ *                          and RTMEM_PROT_WRITE.
  * @param   R0Process       The process to lock pages in.
  */
-int rtR0MemObjNativeLockUser(PPRTR0MEMOBJINTERNAL ppMem, RTR3PTR R3Ptr, size_t cb, RTR0PROCESS R0Process);
+int rtR0MemObjNativeLockUser(PPRTR0MEMOBJINTERNAL ppMem, RTR3PTR R3Ptr, size_t cb, uint32_t fAccess, RTR0PROCESS R0Process);
 
 /**
@@ -346 +348 @@
  * @param   pv              Kernel virtual address, page aligned.
  * @param   cb              Number of bytes to lock, page aligned.
- */
-int rtR0MemObjNativeLockKernel(PPRTR0MEMOBJINTERNAL ppMem, void *pv, size_t cb);
+ * @param   fAccess         The desired access, a combination of RTMEM_PROT_READ
+ *                          and RTMEM_PROT_WRITE.
+ */
+int rtR0MemObjNativeLockKernel(PPRTR0MEMOBJINTERNAL ppMem, void *pv, size_t cb, uint32_t fAccess);
 
 /**