include/lttng/condition/condition.h

   1 /*
   2  * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_CONDITION_H
   9 #define LTTNG_CONDITION_H
  10
  11 #include <lttng/lttng-export.h>
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 struct lttng_condition;
  18
  19 enum lttng_condition_type {
  20         LTTNG_CONDITION_TYPE_UNKNOWN = -1,
  21         LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE = 100,
  22         LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH = 101,
  23         LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW = 102,
  24         LTTNG_CONDITION_TYPE_SESSION_ROTATION_ONGOING = 103,
  25         LTTNG_CONDITION_TYPE_SESSION_ROTATION_COMPLETED = 104,
  26         LTTNG_CONDITION_TYPE_EVENT_RULE_MATCHES = 105,
  27 };
  28
  29 enum lttng_condition_status {
  30         LTTNG_CONDITION_STATUS_OK = 0,
  31         LTTNG_CONDITION_STATUS_ERROR = -1,
  32         LTTNG_CONDITION_STATUS_UNKNOWN = -2,
  33         LTTNG_CONDITION_STATUS_INVALID = -3,
  34         LTTNG_CONDITION_STATUS_UNSET = -4,
  35         LTTNG_CONDITION_STATUS_UNSUPPORTED = -5,
  36 };
  37
  38 /*
  39  * Get the type of a condition.
  40  *
  41  * Returns the type of a condition on success, LTTNG_CONDITION_TYPE_UNKNOWN on
  42  * error.
  43  */
  44 LTTNG_EXPORT extern enum lttng_condition_type
  45 lttng_condition_get_type(const struct lttng_condition *condition);
  46
  47 /*
  48  * Destroy (release) a condition object.
  49  */
  50 LTTNG_EXPORT extern void lttng_condition_destroy(struct lttng_condition *condition);
  51
  52 #ifdef __cplusplus
  53 }
  54 #endif
  55
  56 #endif /* LTTNG_CONDITION_H */