> That looks like a reasonable fix. Did you trace through all of the > callers of semaphore::_getvalue to make sure that some of them aren't > relying on the old behavior? I did not look for other callers. I just wrote a very simple test for sem_getvalue() and copied different cygwin1.dll versions to my test-application. -- Kunysch, Paul Software Development emsys Embedded Systems GmbH Werner von Siemens Str. 20 98693 Ilmenau Germany Tel.: +49 3677 68977-16 Fax: +49 3677 68977-19 E-Mail: paul.kunysch@emsys.de Internet: www.emsys.de CEO: Dr.-Ing. Karsten Pahnke office: Ilmenau Register of commerce in county court Jena: HRB 304988