On Mon, Jan 12, 2015 at 02:28:20PM +0000, Ni, Xun wrote: > Hello: > > I have basic questions related to dpdk and trying to find help. > > I am about to create a daemon process, is there a way for other process to > know whether the daemon is already created? I doesn't mean to get the pid, > because it changes every time. > > If the daemon is created, how do other process to communicate with this > daemon? Dpdk seems to have rte ring but it only exists on the Ethernet, while > I am talking about the process within the same computer, and the way like > share-memory, but I didn't find examples about the share memory between > processes. > > Thanks, > Xun > >
Thats not really a dpdk question, that a generic programming question. You can do this lots of ways. Open a socket that other process can connect to on an agreed port, create a shared memory segment, write a file with connect information to a well know location, etc. Neil