Changeset 25670 in vbox

Timestamp:

Jan 6, 2010 5:01:43 AM (15 years ago)

Author:

vboxsync

Message:

semrw-lockless-generic.cpp: Use the unordered version of ASMAtomicReadHandle for reading hNativeWriter. (Note: don't try use ASMAtomicUoReadU64, code breaks on darwin.x86.)

File:

• trunk/src/VBox/Runtime/generic/semrw-lockless-generic.cpp (modified) (5 diffs)

trunk/src/VBox/Runtime/generic/semrw-lockless-generic.cpp

@@ -248 +248 @@
             RTNATIVETHREAD hNativeSelf = RTThreadNativeSelf();
             RTNATIVETHREAD hNativeWriter;
-            ASMAtomicReadHandle(&pThis->hNativeWriter, &hNativeWriter);
+            ASMAtomicUoReadHandle(&pThis->hNativeWriter, &hNativeWriter);
             if (hNativeSelf == hNativeWriter)
             {
@@ -474 +474 @@
         RTNATIVETHREAD hNativeSelf = RTThreadNativeSelf();
         RTNATIVETHREAD hNativeWriter;
-        ASMAtomicReadHandle(&pThis->hNativeWriter, &hNativeWriter);
+        ASMAtomicUoReadHandle(&pThis->hNativeWriter, &hNativeWriter);
         AssertReturn(hNativeSelf == hNativeWriter, VERR_NOT_OWNER);
         AssertReturn(pThis->cWriterReads > 0, VERR_NOT_OWNER);
@@ -517 +517 @@
     RTNATIVETHREAD hNativeSelf = RTThreadNativeSelf();
     RTNATIVETHREAD hNativeWriter;
-    ASMAtomicReadHandle(&pThis->hNativeWriter, &hNativeWriter);
+    ASMAtomicUoReadHandle(&pThis->hNativeWriter, &hNativeWriter);
     if (hNativeSelf == hNativeWriter)
     {
@@ -718 +718 @@
     RTNATIVETHREAD hNativeSelf = RTThreadNativeSelf();
     RTNATIVETHREAD hNativeWriter;
-    ASMAtomicReadHandle(&pThis->hNativeWriter, &hNativeWriter);
+    ASMAtomicUoReadHandle(&pThis->hNativeWriter, &hNativeWriter);
     AssertReturn(hNativeSelf == hNativeWriter, VERR_NOT_OWNER);
 
@@ -814 +814 @@
     RTNATIVETHREAD hNativeSelf = RTThreadNativeSelf();
     RTNATIVETHREAD hNativeWriter;
-    ASMAtomicReadHandle(&pThis->hNativeWriter, &hNativeWriter);
+    ASMAtomicUoReadHandle(&pThis->hNativeWriter, &hNativeWriter);
     return hNativeWriter == hNativeSelf;
 }