> Sent: Monday, 21 January 2013 11:32 PM > > Hi all. > > I have written a multi-threaded program (Qt 4.8.3) that executes QtScript > code in multiple threads, each thread with its own QScriptEngine. The script > code is wrapped in QScriptProgram object. > > Is the same QScriptProgram object supposed to be usable in multiple script > engines concurrently? If the answer is yes, I think I found a bug, because it > seems that this is not the case. (I'm happy to file a bug report then). If the > answer is no, the API documentation of QScriptProgram and QScriptEngine is > misleading and should be updated. > > To find the root cause for the problem, I tried to analyze the threads using > Helgrind, and it spits out a lot of errors like the following: > http://img145.imageshack.us/img145/9094/helgrind.png > > This seems to be consistent with what I see in the debugger: When my > application crashes, at least one of the threads almost always is in the control > path of some JIT-related functions of the JS engine. > > Any thoughts would be welcome. > > -Christian
Hi, I don't see anything in the 4.8.4 docs to suggest they can be shared between threads. Even though they might be executing the same program script, I think you'll need to create a separate one for each thread. Tony _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest