Am Mittwoch, 20. November 2013 um 00:30:54, schrieb Tommaso Cucinotta <tomm...@lyx.org> > On 19/11/13 20:55, Kornel Benko wrote: > > I know. Scott and I are testing with lockf() now. > > What about boost::interprocess::file_lock ? > > Note from > > > http://www.boost.org/doc/libs/1_55_0/doc/html/boost/interprocess/file_lock.html > > "A file lock can't guarantee synchronization between threads of the same > process so just use file locks to synchronize threads from different > processes."
Yes, but we need synchronization between different processes. > Not sure it fits in such case. Otherwise, I'd say the rest of > boost::interprocess > might fit, e.g.: boost::interprocess::interprocess_mutex > I thought about something I programmed in the past. Using semaphores on shared memory (over mmap() of file from userdir). But it looked like overkill. > Note from > > > http://www.boost.org/doc/libs/1_55_0/doc/html/boost/interprocess/interprocess_mutex.html > > "Wraps a interprocess_mutex that can be placed in shared memory and can be > shared between processes. > Allows timed lock tries" Yes, but the same reason. At least lockf() is :POSIX, and it works. > My2c, > > T. Kornel
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