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Docs: describe the apps_thread's working in function header
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
ust-app.c
diff --git
a/src/bin/lttng-sessiond/ust-app.c
b/src/bin/lttng-sessiond/ust-app.c
index 54479e23c03416b2a6d44b6bf7c780b949141d01..cb5ba6c485ec33ec1dafe5366dba5b0a1792d8c0 100644
(file)
--- a/
src/bin/lttng-sessiond/ust-app.c
+++ b/
src/bin/lttng-sessiond/ust-app.c
@@
-2845,6
+2845,8
@@
error:
/*
* Create and send to the application the created buffers with per UID buffers.
*
/*
* Create and send to the application the created buffers with per UID buffers.
*
+ * This MUST be called with a RCU read side lock acquired.
+ *
* Return 0 on success else a negative value.
*/
static int create_channel_per_uid(struct ust_app *app,
* Return 0 on success else a negative value.
*/
static int create_channel_per_uid(struct ust_app *app,
@@
-2923,7
+2925,6
@@
static int create_channel_per_uid(struct ust_app *app,
uint64_t chan_reg_key;
struct ust_registry_channel *chan_reg;
uint64_t chan_reg_key;
struct ust_registry_channel *chan_reg;
- rcu_read_lock();
chan_reg_key = ua_chan->tracing_channel_id;
pthread_mutex_lock(®_uid->registry->reg.ust->lock);
chan_reg_key = ua_chan->tracing_channel_id;
pthread_mutex_lock(®_uid->registry->reg.ust->lock);
@@
-2944,7
+2945,6
@@
static int create_channel_per_uid(struct ust_app *app,
ua_chan->key,
LTTNG_DOMAIN_UST,
ua_chan->attr.subbuf_size * ua_chan->attr.num_subbuf);
ua_chan->key,
LTTNG_DOMAIN_UST,
ua_chan->attr.subbuf_size * ua_chan->attr.num_subbuf);
- rcu_read_unlock();
if (cmd_ret != LTTNG_OK) {
ret = - (int) cmd_ret;
ERR("Failed to add channel to notification thread");
if (cmd_ret != LTTNG_OK) {
ret = - (int) cmd_ret;
ERR("Failed to add channel to notification thread");
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