On Sat, Oct 21, 2017 at 7:35 PM, Thiago Macieira <thiago.macie...@intel.com> wrote: > > The reason is that it was never implemented. I've just checked and both > backends could have it. >
This is encouraging. Could we maybe have that implemented/added to the class for a future release? > As to what you're stuck with, we need to know what you're trying to do. > Well, I'm about to start writing autotests for a small module I've written. It's an IPC message passing wrapper (around OpenMPI) so I'd need a "concurrent" IPC sync technique to be able to test how it fares, e. g. if synchronous communication in the module is working as expected. That's why I thought I might take advantage of Qt's system sem. class. Unfortunately, `acquire()` doesn't ever free the thread it's called from, so a possible workaround I see currently is to start a thread and handle the timeout manually - releasing the system semaphore by hand if time runs out.
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