Ticket #764: Bug with milliseconds time resolution in WinCE/Windows Mobile targets (thanks Johan Lantz for the report)
 - use QueryPerformanceCounter() (via pj_get_timestamp() API) to emulate the msec precision)
 - more strict tests in pjlib-test



git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@2560 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjlib/include/pj/os.h b/pjlib/include/pj/os.h
index 4a5a77f..38eb8ea 100644
--- a/pjlib/include/pj/os.h
+++ b/pjlib/include/pj/os.h
@@ -1268,6 +1268,12 @@
                                       const pj_timestamp *stop );
 
 /**
+ * Variant of #pj_elapsed_msec() which returns 64bit value.
+ */
+PJ_DECL(pj_uint64_t) pj_elapsed_msec64(const pj_timestamp *start,
+                                       const pj_timestamp *stop );
+
+/**
  * Calculate the elapsed time in 32-bit microseconds.
  * This function calculates the elapsed time using highest precision
  * calculation that is available for current platform, considering