X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fmain.c;h=806848c5642bef740835aa6b7dd5872ba18ae553;hp=966f609177ad0b28104de59f827ec73f7101de24;hb=ddbeb0f636c21e9a4fc67368b0bdfd2175afd630;hpb=a9ad0c8fb50ac8cf9e9812dd9c9b4f949bac19a8

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index 966f60917..806848c56 100644
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -2960,6 +2960,7 @@ static int process_client_msg(struct command_ctx *cmd_ctx, int sock,
 	case LTTNG_LIST_CHANNELS:
 	case LTTNG_LIST_EVENTS:
 	case LTTNG_LIST_SYSCALLS:
+	case LTTNG_LIST_TRACKER_PIDS:
 		break;
 	default:
 		/* Setup lttng message with no payload */
@@ -3495,6 +3496,38 @@ skip_domain:
 		ret = LTTNG_OK;
 		break;
 	}
+	case LTTNG_LIST_TRACKER_PIDS:
+	{
+		int32_t *pids = NULL;
+		ssize_t nr_pids;
+
+		nr_pids = cmd_list_tracker_pids(cmd_ctx->session,
+				cmd_ctx->lsm->domain.type, &pids);
+		if (nr_pids < 0) {
+			/* Return value is a negative lttng_error_code. */
+			ret = -nr_pids;
+			goto error;
+		}
+
+		/*
+		 * Setup lttng message with payload size set to the event list size in
+		 * bytes and then copy list into the llm payload.
+		 */
+		ret = setup_lttng_msg(cmd_ctx, sizeof(int32_t) * nr_pids);
+		if (ret < 0) {
+			free(pids);
+			goto setup_error;
+		}
+
+		/* Copy event list into message payload */
+		memcpy(cmd_ctx->llm->payload, pids,
+				sizeof(int) * nr_pids);
+
+		free(pids);
+
+		ret = LTTNG_OK;
+		break;
+	}
 	case LTTNG_SET_CONSUMER_URI:
 	{
 		size_t nb_uri, len;
@@ -5597,6 +5630,7 @@ int main(int argc, char **argv)
 	 * cleanup() can get called after that point.
 	 */
 	if (ust_app_ht_alloc()) {
+		ERR("Failed to allocate UST app hash table");
 		retval = -1;
 		goto exit_init_data;
 	}