X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fconsumer.c;h=25194460645d377ad5d0680417629f1f69d2f40b;hb=3e4dc1178469513c2ee8de6b8e6c847277dd36dd;hp=33ccfe2248c91bd50fa0a4c94489790404e24264;hpb=491d15395b58df09f8a3e7ba7404eb1f46392b79;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/consumer.c b/src/bin/lttng-sessiond/consumer.c
index 33ccfe224..251944606 100644
--- a/src/bin/lttng-sessiond/consumer.c
+++ b/src/bin/lttng-sessiond/consumer.c
@@ -739,6 +739,7 @@ int consumer_send_fds(struct consumer_socket *sock, int *fds, size_t nb_fd)
 	assert(fds);
 	assert(sock);
 	assert(nb_fd > 0);
+	assert(pthread_mutex_trylock(sock->lock) == EBUSY);
 
 	ret = lttcomm_send_fds_unix_sock(*sock->fd_ptr, fds, nb_fd);
 	if (ret < 0) {
@@ -762,6 +763,7 @@ int consumer_send_msg(struct consumer_socket *sock,
 
 	assert(msg);
 	assert(sock);
+	assert(pthread_mutex_trylock(sock->lock) == EBUSY);
 
 	ret = consumer_socket_send(sock, msg, sizeof(struct lttcomm_consumer_msg));
 	if (ret < 0) {
@@ -990,6 +992,8 @@ error:
 /*
  * Send relayd socket to consumer associated with a session name.
  *
+ * The consumer socket lock must be held by the caller.
+ *
  * On success return positive value. On error, negative value.
  */
 int consumer_send_relayd_socket(struct consumer_socket *consumer_sock,
@@ -1064,6 +1068,7 @@ int consumer_send_channel_monitor_pipe(struct consumer_socket *consumer_sock,
 	memset(&msg, 0, sizeof(msg));
 	msg.cmd_type = LTTNG_CONSUMER_SET_CHANNEL_MONITOR_PIPE;
 
+	pthread_mutex_lock(consumer_sock->lock);
 	DBG3("Sending set_channel_monitor_pipe command to consumer");
 	ret = consumer_send_msg(consumer_sock, &msg);
 	if (ret < 0) {
@@ -1079,6 +1084,7 @@ int consumer_send_channel_monitor_pipe(struct consumer_socket *consumer_sock,
 
 	DBG2("Channel monitoring pipe successfully sent");
 error:
+	pthread_mutex_unlock(consumer_sock->lock);
 	return ret;
 }