1 files changed, 106 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/threading/WaitForMultipleObjectsEx/test3/test3.cpp b/src/pal/tests/palsuite/threading/WaitForMultipleObjectsEx/test3/test3.cpp
new file mode 100644
index 0000000000..b78b0540dc
--- /dev/null
+++ b/src/pal/tests/palsuite/threading/WaitForMultipleObjectsEx/test3/test3.cpp
@@ -0,0 +1,106 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/*=====================================================================
+**
+** Source:  test3.c
+**
+** Purpose: Tests that waiting on an open mutex will a return 
+**          WAIT_OBJECT_0.  Does this by creating a child thread that 
+**          acquires the mutex, releases it, and exits.
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+
+const int ChildThreadWaitTime = 1000;
+const int ParentDelayTime = 2000; 
+
+DWORD PALAPI AcquiringProc(LPVOID lpParameter);
+
+int __cdecl main( int argc, char **argv) 
+{
+    HANDLE Mutex;
+    HANDLE hThread = 0;
+    DWORD dwThreadId = 0;
+    int ret;
+
+    if (0 != (PAL_Initialize(argc, argv)))
+    {
+        return FAIL;
+    }
+
+    Mutex = CreateMutexW(NULL, FALSE, NULL);
+    if (Mutex == NULL)
+    {
+        Fail("Unable to create the mutex.  GetLastError returned %d\n", 
+            GetLastError());
+    }
+
+    hThread = CreateThread( NULL, 
+                            0, 
+                            (LPTHREAD_START_ROUTINE)AcquiringProc,
+                            (LPVOID) Mutex,
+                            0,
+                            &dwThreadId);
+
+    if (hThread == NULL)
+    {
+        Fail("ERROR: Was not able to create the thread to test!\n"
+            "GetLastError returned %d\n", GetLastError());
+    }
+
+    Sleep(ParentDelayTime);
+
+    ret = WaitForMultipleObjectsEx(1, &Mutex, FALSE, INFINITE, FALSE);
+    if (ret != WAIT_OBJECT_0)
+    {
+        Fail("Expected WaitForMultipleObjectsEx to return WAIT_OBJECT_0\n"
+            "Got %d\n", ret);
+    }
+
+    if (!CloseHandle(Mutex))
+    {
+        Fail("CloseHandle on the mutex failed!\n");
+    }
+
+    if (!CloseHandle(hThread))
+    {
+        Fail("CloseHandle on the thread failed!\n");
+    }
+
+    PAL_Terminate();
+    return PASS;
+}
+
+/* 
+ * Entry Point for child thread. Acquries a mutex, releases it, and exits.
+ */
+DWORD PALAPI AcquiringProc(LPVOID lpParameter)
+{
+    HANDLE Mutex;
+    DWORD ret;
+
+    Mutex = (HANDLE) lpParameter;
+    
+    Sleep(ChildThreadWaitTime);
+
+    ret = WaitForSingleObject(Mutex, 0);
+    if (ret != WAIT_OBJECT_0)
+    {
+        Fail("Expected the WaitForSingleObject call on the mutex to succeed\n"
+            "Expected return of WAIT_OBJECT_0, got %d\n", ret);
+    }
+
+    ret = ReleaseMutex(Mutex);
+    if (!ret)
+    {
+        Fail("Unable to release mutex!  GetLastError returned %d\n", 
+            GetLastError());
+    }
+
+    return 0;
+}