X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=liblttsessiondcomm%2Fliblttsessiondcomm.h;h=ce85e8292130e34dcb0c0a0fcc1dac016acc93e8;hp=0e2c4f07f8814b0c290e1366b8861b7a3fd4e71c;hb=ce3d728cd9bfcc0f7d43e08275a92cf04e898662;hpb=686204ab689fc20afc4aaf014f1f4a877b1e581d

diff --git a/liblttsessiondcomm/liblttsessiondcomm.h b/liblttsessiondcomm/liblttsessiondcomm.h
index 0e2c4f07f..ce85e8292 100644
--- a/liblttsessiondcomm/liblttsessiondcomm.h
+++ b/liblttsessiondcomm/liblttsessiondcomm.h
@@ -31,11 +31,6 @@
 /* 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
  */
@@ -78,6 +73,13 @@ 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_NO_SESS,		/* No sessions available */
+	LTTCOMM_NO_TRACE,		/* No trace exist */
+	LTTCOMM_FATAL,			/* Session daemon had a fatal error */
+	LTTCOMM_NO_TRACEABLE,	/* Error for non traceable app */
+	LTTCOMM_SELECT_SESS,	/* Must select a session */
+	LTTCOMM_EXIST_SESS,		/* Session name already exist */
 	LTTCOMM_NR,				/* Last element */
 };
 
@@ -118,7 +120,11 @@ struct lttcomm_session_msg {
 };
 
 /*
- * Data structure for the lttng client response
+ * Data structure for the lttng client response.
+ *
+ * This data structure is the control struct use in
+ * the header of the transmission. NEVER put variable
+ * size data in here.
  */
 struct lttcomm_lttng_msg {
 	enum lttcomm_command_type cmd_type;
@@ -126,19 +132,14 @@ struct lttcomm_lttng_msg {
 	uuid_t session_id;
 	pid_t pid;
 	char trace_name[NAME_MAX];
-	union {
-		/* UST_LIST_APPS */
-		struct {
-			size_t size;
-			pid_t pids[MAX_APPS_PID];
-		} list_apps;
-	} u;
+	unsigned int size_payload;
 };
 
 extern int lttcomm_create_unix_sock(const char *pathname);
 extern int lttcomm_connect_unix_sock(const char *pathname);
 extern int lttcomm_accept_unix_sock(int sock);
 extern int lttcomm_listen_unix_sock(int sock);
+extern int lttcomm_close_unix_sock(int sock);
 extern ssize_t lttcomm_recv_unix_sock(int sock, void *buf, size_t len);
 extern ssize_t lttcomm_send_unix_sock(int sock, void *buf, size_t len);
 extern const char *lttcomm_get_readable_code(enum lttcomm_return_code code);