Add recv fds function to lttng-comm API

[lttng-tools.git] / include / lttng-sessiond-comm.h

diff --git a/include/lttng-sessiond-comm.h b/include/lttng-sessiond-comm.h
index 4deec5fc8d4fd00163fb1ee110a41e26ef523997..fcdc5a2cf72331234e11dc161e1179e1bb164630 100644 (file)
--- a/include/lttng-sessiond-comm.h
+++ b/include/lttng-sessiond-comm.h
@@ -39,7 +39,7 @@
 #define DEFAULT_HOME_CLIENT_UNIX_SOCK       "%s/.client-ltt-sessiond"
 
 /* Queue size of listen(2) */
-#define MAX_LISTEN 10
+#define MAX_LISTEN 64
 
 /*
  * Get the error code index from 0 since LTTCOMM_OK start at 1000
@@ -94,6 +94,7 @@ enum lttcomm_return_code {
        LTTCOMM_EXIST_SESS,                             /* Session name already exist */
        LTTCOMM_NO_EVENT,                               /* No event found */
        LTTCOMM_CONNECT_FAIL,           /* Unable to connect to unix socket */
+       LTTCOMM_APP_NOT_FOUND,          /* App not found in traceable app list */
        LTTCOMM_KERN_NA,                                /* Kernel tracer unavalable */
        LTTCOMM_KERN_EVENT_EXIST,       /* Kernel event already exists */
        LTTCOMM_KERN_SESS_FAIL,                 /* Kernel create session failed */
@@ -113,6 +114,9 @@ enum lttcomm_return_code {
        LTTCOMM_KERN_DIR_EXIST,                 /* Kernel trace directory exist */
        LTTCOMM_KERN_NO_SESSION,                /* No kernel session found */
        LTTCOMM_KERN_LIST_FAIL,                 /* Kernel listing events failed */
+       LTTCOMM_UST_SESS_FAIL,                  /* UST create session failed */
+       LTTCOMM_UST_CHAN_NOT_FOUND,     /* UST channel not found */
+       LTTCOMM_UST_CHAN_FAIL,          /* UST create channel failed */
        KCONSUMERD_COMMAND_SOCK_READY,  /* when kconsumerd command socket ready */
        KCONSUMERD_SUCCESS_RECV_FD,             /* success on receiving fds */
        KCONSUMERD_ERROR_RECV_FD,               /* error on receiving fds */
@@ -227,6 +231,12 @@ struct lttcomm_ust_reply {
        uint32_t ret_code;      /* enum lttcomm_return_code */
        uint32_t ret_val;       /* return value */
        union {
+               struct {
+                       uint64_t memory_map_size;
+               } channel;
+               struct {
+                       uint64_t memory_map_size;
+               } stream;
        } u;
 };
 
@@ -238,6 +248,9 @@ extern int lttcomm_close_unix_sock(int sock);
 /* Send fd(s) over a unix socket. */
 extern ssize_t lttcomm_send_fds_unix_sock(int sock, void *buf, int *fds,
                size_t nb_fd, size_t len);
+/* Recv fd(s) over a unix socket */
+extern ssize_t lttcomm_recv_fds_unix_sock(int sock, void *buf, int *fds,
+               size_t nb_fd, size_t len);
 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);