Add create session snapshot API in lttng-sessiond

[lttng-tools.git] / src / bin / lttng / commands / destroy.c

diff --git a/src/bin/lttng/commands/destroy.c b/src/bin/lttng/commands/destroy.c
index cdc2c538c597eb4a33b82fde72bd2af0597e4ff5..3fb5fb232edb16184a4a7574de9b6e623668959f 100644 (file)
--- a/src/bin/lttng/commands/destroy.c
+++ b/src/bin/lttng/commands/destroy.c
@@ -49,11 +49,12 @@ static struct poptOption long_options[] = {
  */
 static void usage(FILE *ofp)
 {
-       fprintf(ofp, "usage: lttng destroy [options] [NAME]\n");
+       fprintf(ofp, "usage: lttng destroy [NAME] [OPTIONS]\n");
        fprintf(ofp, "\n");
        fprintf(ofp, "Where NAME is an optional session name. If not specified, lttng will\n");
        fprintf(ofp, "get it from the configuration directory (.lttng).\n");
        fprintf(ofp, "\n");
+       fprintf(ofp, "Options:\n");
        fprintf(ofp, "  -h, --help           Show this help\n");
        fprintf(ofp, "  -a, --all            Destroy all sessions\n");
        fprintf(ofp, "      --list-options   Simple listing of options\n");
@@ -73,10 +74,11 @@ static int destroy_session(const char *session_name)
        ret = lttng_destroy_session(session_name);
        if (ret < 0) {
                switch (-ret) {
-               case LTTCOMM_SESS_NOT_FOUND:
+               case LTTNG_ERR_SESS_NOT_FOUND:
                        WARN("Session name %s not found", session_name);
                        break;
                default:
+                       ERR("%s", lttng_strerror(ret));
                        break;
                }
                goto error;
@@ -102,7 +104,11 @@ static int destroy_all_sessions()
        count = lttng_list_sessions(&sessions);
        if (count == 0) {
                MSG("No session found, nothing to do.");
+       } else if (count < 0) {
+               ERR("%s", lttng_strerror(ret));
+               goto error;
        }
+
        for (i = 0; i < count; i++) {
                ret = destroy_session(sessions[i].name);
                if (ret < 0) {