X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=liblttsessiondcomm%2Fliblttsessiondcomm.h;h=ce85e8292130e34dcb0c0a0fcc1dac016acc93e8;hp=f4180cf0a4cd65413b46f6e6f575068cdf7cac02;hb=ce3d728cd9bfcc0f7d43e08275a92cf04e898662;hpb=5716705821202372fd16168f66f347ba293ef6b4

diff --git a/liblttsessiondcomm/liblttsessiondcomm.h b/liblttsessiondcomm/liblttsessiondcomm.h
index f4180cf0a..ce85e8292 100644
--- a/liblttsessiondcomm/liblttsessiondcomm.h
+++ b/liblttsessiondcomm/liblttsessiondcomm.h
@@ -75,6 +75,11 @@ enum lttcomm_return_code {
 	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 */
 };
 
@@ -115,7 +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;
@@ -123,28 +132,14 @@ 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 {
-			pid_t pid;
-		} list_apps;
-		/* LTTNG_LIST_SESSIONS */
-		struct {
-			char name[NAME_MAX];
-			char uuid[37];	/* See libuuid not exported size UUID_STR_LEN */
-		} list_sessions;
-	} 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);