| 1 | /* |
| 2 | * Copyright (C) 2019 - Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com> |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of the GNU Lesser General Public License, version 2.1 only, |
| 6 | * as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This library is distributed in the hope that it will be useful, but WITHOUT |
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License |
| 11 | * for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU Lesser General Public License |
| 14 | * along with this library; if not, write to the Free Software Foundation, |
| 15 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 16 | */ |
| 17 | |
| 18 | #ifndef LTTNG_EVENT_RULE_H |
| 19 | #define LTTNG_EVENT_RULE_H |
| 20 | |
| 21 | #ifdef __cplusplus |
| 22 | extern "C" { |
| 23 | #endif |
| 24 | |
| 25 | struct lttng_event_rule; |
| 26 | |
| 27 | enum lttng_event_rule_type { |
| 28 | LTTNG_EVENT_RULE_TYPE_UNKNOWN = -1, |
| 29 | LTTNG_EVENT_RULE_TYPE_TRACEPOINT = 100, |
| 30 | LTTNG_EVENT_RULE_TYPE_SYSCALL = 101, |
| 31 | LTTNG_EVENT_RULE_TYPE_KPROBE = 102, |
| 32 | LTTNG_EVENT_RULE_TYPE_KRETPROBE = 103, |
| 33 | LTTNG_EVENT_RULE_TYPE_UPROBE = 104, |
| 34 | }; |
| 35 | |
| 36 | |
| 37 | enum lttng_event_rule_status { |
| 38 | LTTNG_EVENT_RULE_STATUS_OK = 0, |
| 39 | LTTNG_EVENT_RULE_STATUS_ERROR = -1, |
| 40 | LTTNG_EVENT_RULE_STATUS_UNKNOWN = -2, |
| 41 | LTTNG_EVENT_RULE_STATUS_INVALID = -3, |
| 42 | LTTNG_EVENT_RULE_STATUS_UNSET = -4, |
| 43 | LTTNG_EVENT_RULE_STATUS_UNSUPPORTED = -5, |
| 44 | }; |
| 45 | |
| 46 | /** |
| 47 | * Event rule describe a set of criteria to be used as a discriminant in regards |
| 48 | * to a set of events. |
| 49 | * |
| 50 | * Event rule have the following base properties: |
| 51 | * - the instrumentation type for the event rule, |
| 52 | * - tracepoint |
| 53 | * - syscall |
| 54 | * - probe |
| 55 | * - userspace-probe |
| 56 | * - the domain the event rule covers. |
| 57 | */ |
| 58 | |
| 59 | /* |
| 60 | * Get the event rule type. |
| 61 | * |
| 62 | * Returns the type of an event rule on success, LTTNG_EVENT_RULE_UNKNOWN on |
| 63 | * error. |
| 64 | */ |
| 65 | extern enum lttng_event_rule_type lttng_event_rule_get_type( |
| 66 | const struct lttng_event_rule *event_rule); |
| 67 | |
| 68 | /* |
| 69 | * Destroy (release) a event_rule object. |
| 70 | */ |
| 71 | extern void lttng_event_rule_destroy(struct lttng_event_rule *rule); |
| 72 | |
| 73 | #ifdef __cplusplus |
| 74 | } |
| 75 | #endif |
| 76 | |
| 77 | #endif /* LTTNG_EVENT_RULE_H */ |