ust-ctl: allow runtime version checks

[lttng-ust.git] / src / lib / lttng-ust-ctl / ustctl.c

diff --git a/src/lib/lttng-ust-ctl/ustctl.c b/src/lib/lttng-ust-ctl/ustctl.c
index bcbd9c66c2a2b01da949e7f85a6a3628a34c49dc..7b6798802e0b04f6058103afa73ae8df4abf3860 100644 (file)
--- a/src/lib/lttng-ust-ctl/ustctl.c
+++ b/src/lib/lttng-ust-ctl/ustctl.c
@@ -1384,7 +1384,7 @@ error:
 
 int lttng_ust_ctl_get_nr_stream_per_channel(void)
 {
-       return num_possible_cpus();
+       return get_possible_cpus_array_len();
 }
 
 struct lttng_ust_ctl_consumer_channel *
@@ -2904,7 +2904,7 @@ int lttng_ust_ctl_regenerate_statedump(int sock, int handle)
 
 int lttng_ust_ctl_get_nr_cpu_per_counter(void)
 {
-       return num_possible_cpus();
+       return get_possible_cpus_array_len();
 }
 
 struct lttng_ust_ctl_daemon_counter *
@@ -3294,6 +3294,14 @@ int lttng_ust_ctl_counter_clear(struct lttng_ust_ctl_daemon_counter *counter,
        return counter->ops->counter_clear(counter->counter, dimension_indexes);
 }
 
+int lttng_ust_ctl_get_version(uint32_t *major, uint32_t *minor,
+               uint32_t *patchlevel) {
+       *major = LTTNG_UST_MAJOR_VERSION;
+       *minor = LTTNG_UST_MINOR_VERSION;
+       *patchlevel = LTTNG_UST_PATCHLEVEL_VERSION;
+       return 0;
+}
+
 static
 void lttng_ust_ctl_ctor(void)
        __attribute__((constructor));