Moved all interface headers into a 'wx' subdirectory for proper use of Doxygen path settings.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54385 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/atomic.h

@@ -0,0 +1,43 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        atomic.h
+// Purpose:     interface of global functions
+// Author:      wxWidgets team
+// RCS-ID:      $Id$
+// Licence:     wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+
+// ============================================================================
+// Global functions/macros
+// ============================================================================
+
+/** @ingroup group_funcmacro_atomic */
+//@{
+
+/**
+    This function increments @a value in an atomic manner.
+
+    Whenever possible wxWidgets provides an efficient, CPU-specific,
+    implementation of this function. If such implementation is available, the
+    symbol wxHAS_ATOMIC_OPS is defined. Otherwise this function still exists
+    but is implemented in a generic way using a critical section which can be
+    prohibitively expensive for use in performance-sensitive code.
+
+    @header{wx/atomic.h}
+*/
+void wxAtomicInc(wxAtomicInt& value);
+
+/**
+    This function decrements value in an atomic manner.
+
+    Returns 0 if value is 0 after decrement or any non-zero value (not
+    necessarily equal to the value of the variable) otherwise.
+
+    @see wxAtomicInc
+
+    @header{wx/atomic.h}
+*/
+wxInt32 wxAtomicDec(wxAtomicInt& value);
+
+//@}
+