Fix: Improve the error reporting of the track/untrack command

[lttng-tools.git] / src / bin / lttng-sessiond / trace-ust.c

diff --git a/src/bin/lttng-sessiond/trace-ust.c b/src/bin/lttng-sessiond/trace-ust.c
index 2740d0f803a6d3393a2431dac53e85e85f21e846..3881084f04fb4024b14970120e44e85c02b1d59d 100644 (file)
--- a/src/bin/lttng-sessiond/trace-ust.c
+++ b/src/bin/lttng-sessiond/trace-ust.c
@@ -30,6 +30,7 @@
 #include "trace-ust.h"
 #include "utils.h"
 #include "ust-app.h"
+#include "agent.h"
 
 /*
  * Match function for the events hash table lookup.
@@ -655,7 +656,7 @@ int pid_tracker_add_pid(struct ust_pid_tracker *pid_tracker, int pid)
        tracker_node = pid_tracker_lookup(pid_tracker, pid, &iter);
        if (tracker_node) {
                /* Already exists. */
-               retval = LTTNG_ERR_INVALID;
+               retval = LTTNG_ERR_PID_TRACKED;
                goto end;
        }
        tracker_node = zmalloc(sizeof(*tracker_node));
@@ -683,7 +684,7 @@ int pid_tracker_del_pid(struct ust_pid_tracker *pid_tracker, int pid)
        tracker_node = pid_tracker_lookup(pid_tracker, pid, &iter);
        if (!tracker_node) {
                /* Not found */
-               retval = LTTNG_ERR_INVALID;
+               retval = LTTNG_ERR_PID_NOT_TRACKED;
                goto end;
        }
        ret = lttng_ht_del(pid_tracker->ht, &iter);