vbox的更動 25624 路徑 trunk/src/VBox/Runtime/r3/os2

時間撮記:

2010-1-3 下午03:23:27 (15 年 以前)

作者:

vboxsync

訊息:

iprt/semmutex*: Added RTSemMutexIsOwned. Rewrote mutex recursion handling for windows (semmutex-win.cpp).

檔案:

• trunk/src/VBox/Runtime/r3/os2/sems-os2.cpp (修改) (1 筆差異)

trunk/src/VBox/Runtime/r3/os2/sems-os2.cpp

@@ -279 +279 @@
 
 
-
+RTDECL(bool) RTSemMutexIsOwned(RTSEMMUTEX hMutex);
+{
+    /*
+     * Unlock mutex semaphore.
+     */
+    PID     pid;
+    TID     tid;
+    ULONG   cRecursions;
+    int rc = DosQueryMutexSem(SEM2HND(MutexSem), &pid, &tid, &cRecursions);
+    if (!rc)
+        return cRecursions != 0;
+    AssertMsgFailed(("DosQueryMutexSem %p failed, rc=%d\n", MutexSem, rc));
+    return rc == ERROR_SEM_OWNER_DIED;
+}
+
+
+