Changeset 39500 in vbox for trunk/include/iprt/req.h

Timestamp:

Dec 1, 2011 8:26:48 PM (13 years ago)

Author:

vboxsync

Message:

RTReq: More refactoring.

File:

• trunk/include/iprt/req.h (modified) (3 diffs)

trunk/include/iprt/req.h

@@ -109 +109 @@
 typedef struct RTREQ
 {
+    /** Magic number (RTREQ_MAGIC). */
+    uint32_t                u32Magic;
+    /** Set if the event semaphore is clear. */
+    volatile bool           fEventSemClear;
+    /** Set if pool, clear if queue. */
+    volatile bool           fPoolOrQueue;
+    /** IPRT status code for the completed request. */
+    volatile int32_t        iStatus;
+    /** Request state. */
+    volatile RTREQSTATE     enmState;
+
     /** Pointer to the next request in the chain. */
     struct RTREQ * volatile pNext;
-    /** Pointer to the queue this packet belongs to. */
-    RTREQQUEUE              hQueue;
-    /** Request state. */
-    volatile RTREQSTATE     enmState;
-    /** iprt status code for the completed request. */
-    volatile int            iStatus;
+
+    union
+    {
+        /** Pointer to the pool this packet belongs to. */
+        RTREQPOOL           hPool;
+        /** Pointer to the queue this packet belongs to. */
+        RTREQQUEUE          hQueue;
+    } uOwner;
+
     /** Requester event sem.
      * The request can use this event semaphore to wait/poll for completion
@@ -122 +136 @@
      */
     RTSEMEVENT              EventSem;
-    /** Set if the event semaphore is clear. */
-    volatile bool           fEventSemClear;
     /** Flags, RTREQ_FLAGS_*. */
-    unsigned                fFlags;
+    uint32_t                fFlags;
     /** Request type. */
     RTREQTYPE               enmType;
@@ -137 +149 @@
             PFNRT               pfn;
             /** Number of arguments. */
-            unsigned            cArgs;
+            uint32_t            cArgs;
             /** Array of arguments. */
             uintptr_t           aArgs[64];