Update UST ABI and add UST some error message

Signed-off-by: David Goulet <david.goulet@polymtl.ca>

diff --git a/include/lttng-sessiond-comm.h b/include/lttng-sessiond-comm.h
index e27f4ed6fac50b027febe3297a79684deba15f29..f8308505c712c915f3a2e17119ec2dea5c3c15c6 100644 (file)
--- a/include/lttng-sessiond-comm.h
+++ b/include/lttng-sessiond-comm.h
@@ -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 */
@@ -114,6 +115,8 @@ enum lttcomm_return_code {
        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 */
@@ -228,6 +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;
 };
 

diff --git a/include/lttng-ust.h b/include/lttng-ust.h
index abfd613b9b982c297bb186c455eab94e7b5cd9bc..b61c320d5fa5db27aad9dc54bdb74f4be041154f 100644 (file)
--- a/include/lttng-ust.h
+++ b/include/lttng-ust.h
@@ -45,6 +45,10 @@ struct lttng_ust_channel {
        unsigned int switch_timer_interval;     /* usecs */
        unsigned int read_timer_interval;       /* usecs */
        enum lttng_ust_output output;           /* output mode */
+       /* The following fields are used internally within UST. */
+       int shm_fd;
+       int wait_fd;
+       uint64_t memory_map_size;
 };
 
 struct lttng_ust_event {

diff --git a/liblttng-sessiond-comm/lttng-sessiond-comm.c b/liblttng-sessiond-comm/lttng-sessiond-comm.c
index 06a4b77f08c809c56c6cee4b4f45e670ffa1586a..3c066cd3b9d5c01eb0b7b3d5f84a81feca4982cf 100644 (file)
--- a/liblttng-sessiond-comm/lttng-sessiond-comm.c
+++ b/liblttng-sessiond-comm/lttng-sessiond-comm.c
@@ -52,6 +52,7 @@ static const char *lttcomm_readable_code[] = {
        [ LTTCOMM_ERR_INDEX(LTTCOMM_SELECT_SESS) ] = "A session MUST be selected",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_EXIST_SESS) ] = "Session name already exist",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_CONNECT_FAIL) ] = "Unable to connect to Unix socket",
+       [ LTTCOMM_ERR_INDEX(LTTCOMM_APP_NOT_FOUND) ] = "Application not found",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_NA) ] = "Kernel tracer not available",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_EVENT_EXIST) ] = "Kernel event already exists",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_SESS_FAIL) ] = "Kernel create session failed",
@@ -72,6 +73,8 @@ static const char *lttcomm_readable_code[] = {
        [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_NO_SESSION) ] = "No kernel session found",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_LIST_FAIL) ] = "Listing kernel events failed",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_UST_SESS_FAIL) ] = "UST create session failed",
+       [ LTTCOMM_ERR_INDEX(LTTCOMM_UST_CHAN_NOT_FOUND) ] = "UST channel not found",
+       [ LTTCOMM_ERR_INDEX(LTTCOMM_UST_CHAN_FAIL) ] = "UST create channel failed",
        [ LTTCOMM_ERR_INDEX(KCONSUMERD_COMMAND_SOCK_READY) ] = "Kconsumerd command socket ready",
        [ LTTCOMM_ERR_INDEX(KCONSUMERD_SUCCESS_RECV_FD) ] = "Kconsumerd success on receiving fds",
        [ LTTCOMM_ERR_INDEX(KCONSUMERD_ERROR_RECV_FD) ] = "Kconsumerd error on receiving fds",