X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Flib%2Flttng-ctl%2Flttng-ctl-helper.h;h=b10acd5fe0438b43e296b2c46873d7cfbf7b1775;hb=4878de5c7deb512bbdac4fdfc498907efa06fb7c;hp=8c14e1fdcfd327227f3c97ab7e5331f11a12d0b2;hpb=ab5be9fa2eb5ba9600a82cd18fd3cfcbac69169a;p=lttng-tools.git

diff --git a/src/lib/lttng-ctl/lttng-ctl-helper.h b/src/lib/lttng-ctl/lttng-ctl-helper.h
index 8c14e1fdc..b10acd5fe 100644
--- a/src/lib/lttng-ctl/lttng-ctl-helper.h
+++ b/src/lib/lttng-ctl/lttng-ctl-helper.h
@@ -13,14 +13,7 @@
 #include <common/sessiond-comm/sessiond-comm.h>
 #include <lttng/lttng.h>
 
-/*
- * NOTE: Every symbol in this helper header MUST be set to hidden so not to
- * polute the library name space. Use LTTNG_HIDDEN macro before declaring the
- * function in the C file.
- */
-
 /* Copy helper functions. */
-void lttng_ctl_copy_string(char *dst, const char *src, size_t len);
 void lttng_ctl_copy_lttng_domain(struct lttng_domain *dst,
 		struct lttng_domain *src);
 
@@ -37,12 +30,23 @@ int lttng_ctl_ask_sessiond_fds_varlen(struct lttcomm_session_msg *lsm,
 		void **user_payload_buf, void **user_cmd_header_buf,
 		size_t *user_cmd_header_len);
 
+/*
+ * Sends the lttcomm message to the session daemon and fills the reply payload.
+ *
+ * Return the size of the received data on success or else a negative lttng
+ * error code.
+ */
+int lttng_ctl_ask_sessiond_payload(struct lttng_payload_view *message,
+		struct lttng_payload *reply);
+
 /*
  * Calls lttng_ctl_ask_sessiond_fds_varlen() with no expected command header.
  */
-static inline
-int lttng_ctl_ask_sessiond_varlen_no_cmd_header(struct lttcomm_session_msg *lsm,
-		void *vardata, size_t vardata_len, void **user_payload_buf)
+static inline int lttng_ctl_ask_sessiond_varlen_no_cmd_header(
+		struct lttcomm_session_msg *lsm,
+		const void *vardata,
+		size_t vardata_len,
+		void **user_payload_buf)
 {
 	return lttng_ctl_ask_sessiond_fds_varlen(lsm, NULL, 0, vardata,
 		vardata_len, user_payload_buf, NULL, NULL);
@@ -53,7 +57,7 @@ int lttng_ctl_ask_sessiond_varlen_no_cmd_header(struct lttcomm_session_msg *lsm,
  */
 static inline
 int lttng_ctl_ask_sessiond_fds_no_cmd_header(struct lttcomm_session_msg *lsm,
-		const int *fds, size_t nb_fd, void **buf)
+		const int *fds, size_t nb_fd, void **buf __attribute__((unused)))
 {
 	return lttng_ctl_ask_sessiond_fds_varlen(lsm, fds, nb_fd, NULL,
 		0, NULL, NULL, NULL);