Am Montag, 18. November 2013 um 23:01:49, schrieb Kornel Benko <kor...@lyx.org> > Am Montag, 18. November 2013 um 22:29:05, schrieb Kornel Benko > <kor...@lyx.org> > > Am Montag, 18. November 2013 um 21:55:48, schrieb Georg Baum > > <georg.b...@post.rwth-aachen.de> > > > Kornel Benko wrote: > > > > > > > Actually, good idea. Stupid me, I didn't think of it. > > > > Still the question stays: Is it portable enough? > > > > > > What exactly do you mean? Using a file for locking works fine on every OS > > > relevant for LyX. fnctl/flock is not portable, the actual locking > > > mechanism > > > needs to be OS dependent. > > > > > > > That was, what I asked for. > > Trying to lock with > open(lock_file.c_str(), O_CREAT|O_EXCL|O_SYNC|O_RDWR, 0666); > seams to work here. So no fcntl anymore. > Thanks. >
After more parallel testing, it does not work. There are cases, where
more processes are working, one of them still engaged in configuring.
So some of the exports failed.
Kornel
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