Changeset 38743 in vbox

Timestamp:

Sep 13, 2011 2:54:35 PM (14 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

74014

Message:

Main: AutoMultiWriteLock4

Location:

trunk

Files:

• include/VBox/com/AutoLock.h (modified) (1 diff)
• src/VBox/Main/glue/AutoLock.cpp (modified) (1 diff)

trunk/include/VBox/com/AutoLock.h

@@ -608 +608 @@
 };
 
+/**
+ * A multi-write-lock containing four other write locks.
+ *
+ */
+class AutoMultiWriteLock4 : public AutoWriteLockBase
+{
+public:
+    AutoMultiWriteLock4(Lockable *pl1,
+                        Lockable *pl2,
+                        Lockable *pl3,
+                        Lockable *pl4
+                        COMMA_LOCKVAL_SRC_POS_DECL);
+    AutoMultiWriteLock4(LockHandle *pl1,
+                        LockHandle *pl2,
+                        LockHandle *pl3,
+                        LockHandle *pl4
+                        COMMA_LOCKVAL_SRC_POS_DECL);
+
+    virtual ~AutoMultiWriteLock4()
+    {
+        cleanup();
+    }
+};
+
 } /* namespace util */
 

trunk/src/VBox/Main/glue/AutoLock.cpp

@@ -752 +752 @@
 }
 
+AutoMultiWriteLock4::AutoMultiWriteLock4(Lockable *pl1,
+                                         Lockable *pl2,
+                                         Lockable *pl3,
+                                         Lockable *pl4
+                                         COMMA_LOCKVAL_SRC_POS_DECL)
+    : AutoWriteLockBase(4
+                        COMMA_LOCKVAL_SRC_POS_ARGS)
+{
+    if (pl1)
+        m->aHandles[0] = pl1->lockHandle();
+    if (pl2)
+        m->aHandles[1] = pl2->lockHandle();
+    if (pl3)
+        m->aHandles[2] = pl3->lockHandle();
+    if (pl4)
+        m->aHandles[3] = pl4->lockHandle();
+    acquire();
+}
+
+AutoMultiWriteLock4::AutoMultiWriteLock4(LockHandle *pl1,
+                                         LockHandle *pl2,
+                                         LockHandle *pl3,
+                                         LockHandle *pl4
+                                         COMMA_LOCKVAL_SRC_POS_DECL)
+    : AutoWriteLockBase(4
+                        COMMA_LOCKVAL_SRC_POS_ARGS)
+{
+    m->aHandles[0] = pl1;
+    m->aHandles[1] = pl2;
+    m->aHandles[2] = pl3;
+    m->aHandles[3] = pl4;
+    acquire();
+}
+
 } /* namespace util */
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