Changeset 25624 in vbox for trunk/src/VBox/Runtime/r3/os2

Timestamp:

Jan 3, 2010 3:23:27 PM (15 years ago)

Author:

vboxsync

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

56315

Message:

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

File:

• trunk/src/VBox/Runtime/r3/os2/sems-os2.cpp (modified) (1 diff)

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;
+}
+
+
+