Changeset 28517 in vbox

Timestamp:

Apr 20, 2010 12:30:12 PM (15 years ago)

Author:

vboxsync

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

60319

Message:

semmutex-r0drv-nt.cpp: Made a shot at RTSemMutexIsOwned.

File:

• trunk/src/VBox/Runtime/r0drv/nt/semmutex-r0drv-nt.cpp (modified) (1 diff)

trunk/src/VBox/Runtime/r0drv/nt/semmutex-r0drv-nt.cpp

@@ -219 +219 @@
 }
 
+
+RTDECL(bool) RTSemMutexIsOwned(RTSEMMUTEX hMutexSem)
+{
+    /*
+     * Validate.
+     */
+    RTSEMMUTEXINTERNAL *pThis = hMutexSem;
+    AssertPtrReturn(pThis, false);
+    AssertReturn(pThis->u32Magic == RTSEMMUTEX_MAGIC, false);
+
+#ifdef RT_USE_FAST_MUTEX
+    return pThis->Mutex && pThis->Mutex->Owner != NULL;
+#else
+    return KeReadStateMutex(pThis->Mutex) == 1);
+#endif
+}
+