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Support new liblttng-ust-ctl error code
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
cmd.c
diff --git
a/src/bin/lttng-sessiond/cmd.c
b/src/bin/lttng-sessiond/cmd.c
index 260cff6715b2b0a4e9da948d97056e640664e448..1404e7f33f68d0e5ecec0f1d9544f330c7493526 100644
(file)
--- a/
src/bin/lttng-sessiond/cmd.c
+++ b/
src/bin/lttng-sessiond/cmd.c
@@
-2203,11
+2203,6
@@
int cmd_enable_consumer(int domain, struct ltt_session *session)
break;
}
break;
}
- /* Append default kernel trace dir to subdir */
- strncat(ksess->consumer->subdir, DEFAULT_KERNEL_TRACE_DIR,
- sizeof(ksess->consumer->subdir) -
- strlen(ksess->consumer->subdir) - 1);
-
/*
* @session-lock
* This is race free for now since the session lock is acquired before
/*
* @session-lock
* This is race free for now since the session lock is acquired before
@@
-2216,6
+2211,7
@@
int cmd_enable_consumer(int domain, struct ltt_session *session)
* is valid.
*/
rcu_read_lock();
* is valid.
*/
rcu_read_lock();
+ /* Destroy current consumer. We are about to replace it */
consumer_destroy_output(ksess->consumer);
rcu_read_unlock();
ksess->consumer = consumer;
consumer_destroy_output(ksess->consumer);
rcu_read_unlock();
ksess->consumer = consumer;
@@
-2289,11
+2285,6
@@
int cmd_enable_consumer(int domain, struct ltt_session *session)
break;
}
break;
}
- /* Append default kernel trace dir to subdir */
- strncat(usess->consumer->subdir, DEFAULT_UST_TRACE_DIR,
- sizeof(usess->consumer->subdir) -
- strlen(usess->consumer->subdir) - 1);
-
/*
* @session-lock
* This is race free for now since the session lock is acquired before
/*
* @session-lock
* This is race free for now since the session lock is acquired before
@@
-2302,6
+2293,7
@@
int cmd_enable_consumer(int domain, struct ltt_session *session)
* is valid.
*/
rcu_read_lock();
* is valid.
*/
rcu_read_lock();
+ /* Destroy current consumer. We are about to replace it */
consumer_destroy_output(usess->consumer);
rcu_read_unlock();
usess->consumer = consumer;
consumer_destroy_output(usess->consumer);
rcu_read_unlock();
usess->consumer = consumer;
@@
-2327,10
+2319,10
@@
error:
}
/*
}
/*
- * Command LTTNG_DATA_
AVAILABLE returning 0 if the data is NOT ready to be read
- *
or else 1 if the data is available for trace analysis
.
+ * Command LTTNG_DATA_
PENDING returning 0 if the data is NOT pending meaning
+ *
ready for trace analysis (or anykind of reader) or else 1 for pending data
.
*/
*/
-int cmd_data_
available
(struct ltt_session *session)
+int cmd_data_
pending
(struct ltt_session *session)
{
int ret;
struct ltt_kernel_session *ksess = session->kernel_session;
{
int ret;
struct ltt_kernel_session *ksess = session->kernel_session;
@@
-2345,23
+2337,23
@@
int cmd_data_available(struct ltt_session *session)
}
if (ksess && ksess->consumer) {
}
if (ksess && ksess->consumer) {
- ret = consumer_is_data_
available
(ksess->id, ksess->consumer);
- if (ret ==
0
) {
+ ret = consumer_is_data_
pending
(ksess->id, ksess->consumer);
+ if (ret ==
1
) {
/* Data is still being extracted for the kernel. */
goto error;
}
}
if (usess && usess->consumer) {
/* Data is still being extracted for the kernel. */
goto error;
}
}
if (usess && usess->consumer) {
- ret = consumer_is_data_
available
(usess->id, usess->consumer);
- if (ret ==
0
) {
+ ret = consumer_is_data_
pending
(usess->id, usess->consumer);
+ if (ret ==
1
) {
/* Data is still being extracted for the kernel. */
goto error;
}
}
/* Data is ready to be read by a viewer */
/* Data is still being extracted for the kernel. */
goto error;
}
}
/* Data is ready to be read by a viewer */
- ret =
1
;
+ ret =
0
;
error:
return ret;
error:
return ret;
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