trigger: expose trigger owner uid

[lttng-tools.git] / include / lttng / trigger / trigger.h

diff --git a/include/lttng/trigger/trigger.h b/include/lttng/trigger/trigger.h
index 0c67abb0b03646ccbd287a162b8fb0884a8eec4d..e92897fd541e79accfeac412393dd780e1014a4d 100644 (file)
--- a/include/lttng/trigger/trigger.h
+++ b/include/lttng/trigger/trigger.h
@@ -1,23 +1,15 @@
 /*
 /*

- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>

  *
  *

- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: LGPL-2.1-only

  *
  *

- * This library 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 Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  */
 
 #ifndef LTTNG_TRIGGER_H
 #define LTTNG_TRIGGER_H
 
  */
 
 #ifndef LTTNG_TRIGGER_H
 #define LTTNG_TRIGGER_H
 

+#include <sys/types.h>
+

 struct lttng_action;
 struct lttng_condition;
 struct lttng_trigger;
 struct lttng_action;
 struct lttng_condition;
 struct lttng_trigger;


@@ -31,6 +23,16 @@ enum lttng_register_trigger_status {
        LTTNG_REGISTER_TRIGGER_STATUS_INVALID = -1,
 };
 
        LTTNG_REGISTER_TRIGGER_STATUS_INVALID = -1,
 };
 

+enum lttng_trigger_status {
+       LTTNG_TRIGGER_STATUS_OK = 0,
+       LTTNG_TRIGGER_STATUS_ERROR = -1,
+       LTTNG_TRIGGER_STATUS_UNKNOWN = -2,
+       LTTNG_TRIGGER_STATUS_INVALID = -3,
+       LTTNG_TRIGGER_STATUS_UNSET = -4,
+       LTTNG_TRIGGER_STATUS_UNSUPPORTED = -5,
+       LTTNG_TRIGGER_STATUS_PERMISSION_DENIED = -6,
+};
+

 /*
  * Create a trigger object associating a condition and an action.
  *
 /*
  * Create a trigger object associating a condition and an action.
  *


@@ -52,6 +54,28 @@ enum lttng_register_trigger_status {
 extern struct lttng_trigger *lttng_trigger_create(
                struct lttng_condition *condition, struct lttng_action *action);
 
 extern struct lttng_trigger *lttng_trigger_create(
                struct lttng_condition *condition, struct lttng_action *action);
 

+/*
+ * Set the user identity (uid) of a trigger.
+ *
+ * Only available for the root user (uid 0).
+ *
+ * Returns LTTNG_TRIGGER_STATUS_OK on success,
+ * LTTNG_TRIGGER_STATUS_EPERM if not authorized,
+ * LTTNG_TRIGGER_STATUS_INVALID if invalid parameters are passed.
+ */
+extern enum lttng_trigger_status lttng_trigger_set_owner_uid(
+               struct lttng_trigger *trigger, uid_t uid);
+
+/*
+ * Get the user identity (uid) of a trigger.
+ *
+ * Returns LTTNG_TRIGGER_STATUS_OK on success,
+ * LTTNG_TRIGGER_STATUS_UNSET if unset,
+ * LTTNG_TRIGGER_STATUS_INVALID if invalid parameters are passed.
+ */
+extern enum lttng_trigger_status lttng_trigger_get_owner_uid(
+               const struct lttng_trigger *trigger, uid_t *uid);
+

 /*
  * Get the condition of a trigger.
  *
 /*
  * Get the condition of a trigger.
  *