Thans for your response ! Yes, using rte_ring between multiple process.
So in this case you’re saying the behavior is undefined ? In my case another process crashed after that. > Le 11 avr. 2024 à 11:08, Konstantin Ananyev <konstantin.anan...@huawei.com> a > écrit : > > > > Hi, >> >> As part of a project I have a question about the rte ring. >> I’m using rte ring multi producer/single consumer. >> The producers are several process. >> If one producer is enqueuing an element and crashed (kill pid) in the middle >> of the >> enqueuing, can it compromise the ring ? > > I suppose you are using rte_ring as IPC mechanism between multiple processes, > correct? > In theory - yes, if your producer crashed during enqueue() to the ring, then > yes, the ring might be affected. > If producer already moved prod.head and crashed before updating prod.tail, > then no other producers > will be able to enqueue() into the ring, till you'll do reset() for it. > I expect such situation really rare and hard to reproduce, but in theory it > is possible. > Konstantin