fd <-> memory
fd <-> memory
Posted Jul 6, 2017 22:16 UTC (Thu) by Jandar (subscriber, #85683)In reply to: Zero-copy networking by mikemol
Parent article: Zero-copy networking
You could open /dev/zero and mmap it MAP_PRIVATE. This wouldn't give you a fd corresponding to an arbitrary memory region but you could setup this memory in advance to create the content into it. Zero-copy with sendfile should be possible with this.