DOCUMENT:Q101188 26-JUL-2001 [visualc] TITLE :Order of Object Initialization Across Translation Units PRODUCT :Microsoft C Compiler PROD/VER:MS-DOS:7.0; :1.0,1.5,2.0,4.0 OPER/SYS: KEYWORDS:kbLangCPP kbVC ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft C/C++ for MS-DOS, version 7.0 - Microsoft Visual C++, versions 1.0, 1.5 - Microsoft Visual C++, versions 2.0, 4.0 ------------------------------------------------------------------------------- SUMMARY ======= The order of initialization of global objects is undefined across translation units. For example, if your application consists of three C++ modules and each module declares an object of xyz class, there is no guarantee during program initialization which of these objects will be constructed first. In addition to not relying on the order of initialization, you should not use one object's address in another object's initialization when the two objects are contained in different translation units. AT&T 2.1 does not define the order of initialization for global objects across translation units. The order of initialization is implementation-dependent. Additional query words: kbinf 7.00 1.00 1.50 2.00 4.00 ====================================================================== Keywords : kbLangCPP kbVC Technology : kbVCsearch kbVC400 kbAudDeveloper kbZNotKeyword8 kbvc150 kbvc100 kbZNotKeyword3 kbCVC700DOS kbVC200 Version : MS-DOS:7.0; :1.0,1.5,2.0,4.0 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.