mirrors
/
tailscale
mirror of https://github.com/tailscale/tailscale.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

comment more

This commit is contained in:
Josh Bleecher Snyder 2021-07-08 12:43:18 -07:00
parent 3e6e5a2eee
commit 334c09ab19
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
net/uring/io_uring_linux.go
View File

@ -49,11 +49,17 @@ type UDPConn struct {
local net.Addr
// recvReqs is an array of re-usable UDP recvmsg requests.
// They bounce back and forth between us and the kernel.
// We attempt to keep them all queued up for the kernel to fulfill.
// The array length is tied to the size of the uring.
recvReqs [8]*C.goreq
// sendReqs is an array of re-usable UDP sendmsg requests.
// We dispatch them to the kernel as writes are requested.
// The array length is tied to the size of the uring.
sendReqs [8]*C.goreq
sendReqC chan int // indices into sendReqs
// sendReqC is a channel containing indices into sendReqs
// that are free to use (that is, not in the kernel).
sendReqC chan int
is4 bool
// reads counts the number of outstanding read requests.
// It is accessed atomically.