X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=liblttsessiondcomm%2Fliblttsessiondcomm.h;h=84385ce71d077de12bdccfa95f4d787d931afb30;hb=53094c051fe98f0d7288e463b2304e0139324f8c;hp=b52d1dd5b5c19655e617967e773d49ef9d14a15f;hpb=fac6795d6e2c60e79bdc7dab42da94d2025a57d3;p=lttng-tools.git

diff --git a/liblttsessiondcomm/liblttsessiondcomm.h b/liblttsessiondcomm/liblttsessiondcomm.h
index b52d1dd5b..84385ce71 100644
--- a/liblttsessiondcomm/liblttsessiondcomm.h
+++ b/liblttsessiondcomm/liblttsessiondcomm.h
@@ -31,15 +31,10 @@
 /* Queue size of listen(2) */
 #define MAX_LISTEN 10
 
-/* Maximum amount of PID the list_apps command
- * can send back to the lttng client.
- */
-#define MAX_APPS_PID 20
-
 /* Get the error code index from 0 since
  * LTTCOMM_OK start at 1000
  */
-#define LTTCOMM_ERR_INDEX(code) code - LTTCOMM_OK
+#define LTTCOMM_ERR_INDEX(code) (code - LTTCOMM_OK)
 
 enum lttcomm_command_type {
 	LTTNG_CREATE_SESSION,
@@ -78,6 +73,7 @@ enum lttcomm_return_code {
 	LTTCOMM_SESSION_FAIL,	/* Create session fail */
 	LTTCOMM_START_FAIL,		/* Start tracing fail */
 	LTTCOMM_LIST_FAIL,		/* Listing apps fail */
+	LTTCOMM_NO_APPS,		/* No traceable application */
 	LTTCOMM_NR,				/* Last element */
 };
 
@@ -126,11 +122,15 @@ struct lttcomm_lttng_msg {
 	uuid_t session_id;
 	pid_t pid;
 	char trace_name[NAME_MAX];
+	/* This flag indicates how many packet are in
+	 * the transmission. Ex: If list apps is requested,
+	 * and there is 4 pids registered, num_pckt will be 4
+	 */
+	unsigned int num_pckt;
 	union {
 		/* UST_LIST_APPS */
 		struct {
-			size_t size;
-			pid_t pids[MAX_APPS_PID];
+			pid_t pid;
 		} list_apps;
 	} u;
 };