1 files changed, 65 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/threading/ExitThread/test3/dllmain.cpp b/src/pal/tests/palsuite/threading/ExitThread/test3/dllmain.cpp
new file mode 100644
index 0000000000..923650d1d3
--- /dev/null
+++ b/src/pal/tests/palsuite/threading/ExitThread/test3/dllmain.cpp
@@ -0,0 +1,65 @@
+// 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: dllmain.c
+**
+** Purpose: Test to ensure DllMain() is called with THREAD_DETACH
+**          when a thread in the application calls ExitThread().
+** 
+** Dependencies: none
+** 
+
+**
+**===========================================================================*/
+
+#include <palsuite.h>
+
+/* count of the number of times DllMain() was called with THREAD_DETACH */
+static int g_detachCount = 0;
+
+
+/* standard DllMain() */
+BOOL PALAPI DllMain(HINSTANCE hinstDLL, DWORD reason, LPVOID lpvReserved)
+{
+    switch( reason )
+    {
+        case DLL_PROCESS_ATTACH:
+        {
+            break;
+        }
+    
+        case DLL_PROCESS_DETACH:
+        {
+            break;
+        }
+        
+        case DLL_THREAD_ATTACH:
+            break;
+    
+        case DLL_THREAD_DETACH:
+            /* increment g_detachCount */
+            g_detachCount++;
+            break;
+    }
+    return TRUE;
+}
+
+#ifdef WIN32
+BOOL __stdcall _DllMainCRTStartup(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
+{
+    return DllMain(hinstDLL, fdwReason, lpvReserved);
+}
+#endif
+
+
+/* function to return the current detach count */
+#ifdef WIN32
+__declspec(dllexport)
+#endif
+int PALAPI GetDetachCount( void )
+{
+    return g_detachCount;
+}