Fix: report error to client on consumerd error

[lttng-tools.git] / src / common / sessiond-comm / sessiond-comm.h

diff --git a/src/common/sessiond-comm/sessiond-comm.h b/src/common/sessiond-comm/sessiond-comm.h
index e4d81f28718f7adf4e8cb73d50252e4a7cd29304..4d31289a4682a932428cf37e0a11dd29e9b7712d 100644 (file)
--- a/src/common/sessiond-comm/sessiond-comm.h
+++ b/src/common/sessiond-comm/sessiond-comm.h
@@ -3,18 +3,18 @@
  *                      Julien Desfossez <julien.desfossez@polymtl.ca>
  *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; only version 2 of the License.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
  * 
  * This program is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  * more details.
  * 
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 /*
@@ -68,7 +68,7 @@ enum lttcomm_sessiond_command {
  * lttcomm error code.
  */
 enum lttcomm_return_code {
-       LTTCOMM_OK = 1000,                              /* Ok */
+       LTTCOMM_OK = 10,                                /* Ok */
        LTTCOMM_ERR,                                    /* Unknown Error */
        LTTCOMM_UND,                                    /* Undefine command */
        LTTCOMM_NOT_IMPLEMENTED,        /* Command not implemented */
@@ -95,6 +95,7 @@ enum lttcomm_return_code {
        LTTCOMM_KERN_VERSION,           /* Kernel tracer version is not compatible */
        LTTCOMM_KERN_EVENT_EXIST,       /* Kernel event already exists */
        LTTCOMM_KERN_SESS_FAIL,                 /* Kernel create session failed */
+       LTTCOMM_KERN_CHAN_EXIST,        /* Kernel channel already exists */
        LTTCOMM_KERN_CHAN_FAIL,                 /* Kernel create channel failed */
        LTTCOMM_KERN_CHAN_NOT_FOUND,    /* Kernel channel not found */
        LTTCOMM_KERN_CHAN_DISABLE_FAIL, /* Kernel disable channel failed */
@@ -136,6 +137,10 @@ enum lttcomm_return_code {
        LTTCOMM_UST_EVENT_NOT_FOUND,    /* UST event not found */
        LTTCOMM_UST_CONTEXT_EXIST,      /* UST context exist */
        LTTCOMM_UST_CONTEXT_INVAL,      /* UST context invalid */
+       LTTCOMM_NEED_ROOT_SESSIOND,             /* root sessiond is needed */
+       LTTCOMM_TRACE_ALREADY_STARTED,  /* Tracing already started */
+       LTTCOMM_TRACE_ALREADY_STOPPED,  /* Tracing already stopped */
+       LTTCOMM_KERN_EVENT_ENOSYS,      /* Kernel event type not supported */
 
        CONSUMERD_COMMAND_SOCK_READY,           /* when consumerd command socket ready */
        CONSUMERD_SUCCESS_RECV_FD,              /* success on receiving fds */
@@ -151,6 +156,10 @@ enum lttcomm_return_code {
        CONSUMERD_SPLICE_EINVAL,                /* EINVAL from splice(2) */
        CONSUMERD_SPLICE_ENOMEM,                /* ENOMEM from splice(2) */
        CONSUMERD_SPLICE_ESPIPE,                /* ESPIPE from splice(2) */
+       LTTCOMM_INVALID,                        /* Invalid parameter */
+       LTTCOMM_NO_USTCONSUMERD,        /* No UST consumer detected */
+       LTTCOMM_NO_KERNCONSUMERD,       /* No Kernel consumer detected */
+
        /* MUST be last element */
        LTTCOMM_NR,                                             /* Last element */
 };