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Fix: thread exit vs futex wait/wakeup race
[lttng-tools.git]
/
src
/
bin
/
lttng-relayd
/
main.c
diff --git
a/src/bin/lttng-relayd/main.c
b/src/bin/lttng-relayd/main.c
index 2fcc60af00d9d3b29b9809865ed7747ab4dbde45..0eb8e28251f2451ab229dc41cf0e62726fddc7c5 100644
(file)
--- a/
src/bin/lttng-relayd/main.c
+++ b/
src/bin/lttng-relayd/main.c
@@
-977,12
+977,16
@@
static void *relay_thread_dispatcher(void *data)
health_code_update();
health_code_update();
-
while (!CMM_LOAD_SHARED(dispatch_thread_exit)
) {
+
for (;;
) {
health_code_update();
/* Atomically prepare the queue futex */
futex_nto1_prepare(&relay_conn_queue.futex);
health_code_update();
/* Atomically prepare the queue futex */
futex_nto1_prepare(&relay_conn_queue.futex);
+ if (CMM_LOAD_SHARED(dispatch_thread_exit)) {
+ break;
+ }
+
do {
health_code_update();
do {
health_code_update();
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