X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=liblttsessiondcomm%2Fliblttsessiondcomm.h;h=ce85e8292130e34dcb0c0a0fcc1dac016acc93e8;hp=84385ce71d077de12bdccfa95f4d787d931afb30;hb=ce3d728cd9bfcc0f7d43e08275a92cf04e898662;hpb=e065084a507dd07b658b3d26c58b1ddd519e25a0 diff --git a/liblttsessiondcomm/liblttsessiondcomm.h b/liblttsessiondcomm/liblttsessiondcomm.h index 84385ce71..ce85e8292 100644 --- a/liblttsessiondcomm/liblttsessiondcomm.h +++ b/liblttsessiondcomm/liblttsessiondcomm.h @@ -74,6 +74,12 @@ enum lttcomm_return_code { 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 */ }; @@ -114,7 +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; @@ -122,23 +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; - } 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);