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Fix: hold consumer socket lock for consumer_send_msg
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
ust-consumer.c
diff --git
a/src/bin/lttng-sessiond/ust-consumer.c
b/src/bin/lttng-sessiond/ust-consumer.c
index 82fd0ea074e0519c2c6bac47c146295e6c861053..a2258f409ad1a9ef8b773446da01205800458f12 100644
(file)
--- a/
src/bin/lttng-sessiond/ust-consumer.c
+++ b/
src/bin/lttng-sessiond/ust-consumer.c
@@
-505,7
+505,9
@@
int ust_consumer_metadata_request(struct consumer_socket *socket)
memset(&msg, 0, sizeof(msg));
msg.cmd_type = LTTNG_ERR_UND;
memset(&msg, 0, sizeof(msg));
msg.cmd_type = LTTNG_ERR_UND;
+ pthread_mutex_lock(socket->lock);
(void) consumer_send_msg(socket, &msg);
(void) consumer_send_msg(socket, &msg);
+ pthread_mutex_unlock(socket->lock);
/*
* This is possible since the session might have been destroyed
* during a consumer metadata request. So here, return gracefully
/*
* This is possible since the session might have been destroyed
* during a consumer metadata request. So here, return gracefully
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