kernel32: Reset stdio handles when they are closed.

dlls/kernel32/process.c

@@ -2713,10 +2713,12 @@ BOOL WINAPI CloseHandle( HANDLE handle )
     NTSTATUS status;
 
     /* stdio handles need special treatment */
-    if ((handle == (HANDLE)STD_INPUT_HANDLE) ||
-        (handle == (HANDLE)STD_OUTPUT_HANDLE) ||
-        (handle == (HANDLE)STD_ERROR_HANDLE))
-        handle = GetStdHandle( HandleToULong(handle) );
+    if (handle == (HANDLE)STD_INPUT_HANDLE)
+        handle = InterlockedExchangePointer( &NtCurrentTeb()->Peb->ProcessParameters->hStdInput, 0 );
+    else if (handle == (HANDLE)STD_OUTPUT_HANDLE)
+        handle = InterlockedExchangePointer( &NtCurrentTeb()->Peb->ProcessParameters->hStdOutput, 0 );
+    else if (handle == (HANDLE)STD_ERROR_HANDLE)
+        handle = InterlockedExchangePointer( &NtCurrentTeb()->Peb->ProcessParameters->hStdError, 0 );
 
     if (is_console_handle(handle))
         return CloseConsoleHandle(handle);

dlls/kernel32/tests/process.c

@@ -1742,6 +1742,7 @@ static void test_ProcessName(void)
 static void test_Handles(void)
 {
     HANDLE handle = GetCurrentProcess();
+    HANDLE h2;
     BOOL ret;
     DWORD code;
 
@@ -1769,6 +1770,15 @@ static void test_Handles(void)
     ok( !ret, "GetExitCodeProcess succeeded for %p\n", handle );
     ok( GetLastError() == ERROR_INVALID_HANDLE, "wrong error %u\n", GetLastError() );
 #endif
+
+    handle = GetStdHandle( STD_ERROR_HANDLE );
+    ok( handle != 0, "handle %p\n", handle );
+    CloseHandle( (HANDLE)STD_ERROR_HANDLE );
+    h2 = GetStdHandle( STD_ERROR_HANDLE );
+    ok( h2 == 0 ||
+        broken( h2 == handle) || /* nt4, w2k */
+        broken( h2 == INVALID_HANDLE_VALUE),  /* win9x */
+        "wrong handle %p/%p\n", h2, handle );
 }
 
 static void test_SystemInfo(void)