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udp_linux: wrap socket operations with syscall.RawConn for clean teardown (#1654)
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Browse Source 
remove runtime.LockOSThread() because it makes things worse now

remove the "custom" Write() method from tun_linux.go, the stdlib path via os.File performs better

We should change our guidance around number of routines, ~2 per thread (that you wish to use for Nebula) seems to be about right now
This commit is contained in:
Jack Doan
2026-04-14 18:25:24 -05:00
committed by GitHub
parent 3fae693c42
commit b3194236aa
3 changed files with 162 additions and 188 deletions
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5
interface.go
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@@ -7,7 +7,6 @@ import (
"io"
"net/netip"
"os"
"runtime"
"sync/atomic"
"time"
@@ -263,8 +262,6 @@ func (f *Interface) run() {
}
func (f *Interface) listenOut(i int) {
runtime.LockOSThread()
var li udp.Conn
if i > 0 {
li = f.writers[i]
@@ -285,8 +282,6 @@ func (f *Interface) listenOut(i int) {
}
func (f *Interface) listenIn(reader io.ReadWriteCloser, i int) {
runtime.LockOSThread()
packet := make([]byte, mtu)
out := make([]byte, mtu)
fwPacket := &firewall.Packet{}