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

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/posix/semmutex-posix.cpp (modified) (2 diffs)

trunk/src/VBox/Runtime/r3/posix/semmutex-posix.cpp

@@ -331 +331 @@
      */
     pThis->Owner = (pthread_t)-1;
-    ASMAtomicXchgU32(&pThis->cNesting, 0);
+    ASMAtomicWriteU32(&pThis->cNesting, 0);
 
     /*
@@ -346 +346 @@
 }
 
+
+RTDECL(bool) RTSemMutexIsOwned(RTSEMMUTEX hMutex)
+{
+    /*
+     * Validate.
+     */
+    RTSEMMUTEXINTERNAL *pThis = hMutex;
+    AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
+    AssertReturn(pThis->u32Magic == RTSEMMUTEX_MAGIC, VERR_INVALID_HANDLE);
+
+    return pThis->Owner != (pthread_t)-1;
+}
+