On Mon, 27 Oct 2014 19:00, patrick at enigmail.net said: > Assertion failed: (!res), function leave_npth, file npth.c, line 129. > Abort trap: 6 That is due to an error returned by res = sem_wait (&sceptre); you need to check the ERRNO. Shalom-Salam, Werner -- Die Gedanken sind frei. Ausnahmen regelt ein Bundesgesetz.