PROTON-2337: epoll proactor - missing lock on variable increment, found by TSAN
diff --git a/c/src/proactor/epoll.c b/c/src/proactor/epoll.c
index 8c792e6..876c55a 100644
--- a/c/src/proactor/epoll.c
+++ b/c/src/proactor/epoll.c
@@ -2407,12 +2407,12 @@
lock(&p->tslot_mutex);
tslot_t * ts = find_tslot(p);
unlock(&p->tslot_mutex);
- ts->generation++; // wrapping OK. Just looking for any change
lock(&p->sched_mutex);
assert(ts->task == NULL || ts->earmarked);
assert(ts->state == UNUSED || ts->state == NEW);
ts->state = PROCESSING;
+ ts->generation++; // wrapping OK. Just looking for any change
// Process outstanding epoll events until we get a batch or need to block.
while (true) {
