ref: b263a6de7c1759137085ba1052e51f3b5157d7de
dir: /tinc-pingpong-race/
diff 5a3aea0ca8fc8ec5529a5328e6f7879ad6d976da uncommitted
--- a//sys/src/cmd/ip/tinc.c
+++ b//sys/src/cmd/ip/tinc.c
@@ -1301,7 +1301,10 @@
while((n = conrecv(c, f, nelem(f))) > 0){
switch(atoi(f[0])){
case PING:
- if(consend(c, "%d %x", PONG, rand()) < 0)
+ netlock(c);
+ n = consend(c, "%d %x", PONG, rand());
+ netunlock(c);
+ if(n < 0)
return;
continue;
case PONG: