| 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_SYSCALL_H |
| 19 | #define LTTNG_EVENT_RULE_SYSCALL_H |
| 20 | |
| 21 | #include <lttng/event-rule/event-rule.h> |
| 22 | |
| 23 | #ifdef __cplusplus |
| 24 | extern "C" { |
| 25 | #endif |
| 26 | |
| 27 | /* |
| 28 | * TODO: |
| 29 | */ |
| 30 | extern struct lttng_event_rule *lttng_event_rule_syscall_create(void); |
| 31 | |
| 32 | /* |
| 33 | * Set the pattern of a syscall event rule. |
| 34 | * |
| 35 | * Pattern can contains wildcard '*'. See man lttng-enable-event. |
| 36 | * |
| 37 | * Return LTTNG_EVENT_RULE_STATUS_OK on success, LTTNG_EVENT_RULE_STATUS_INVALID |
| 38 | * if invalid parameters are passed. |
| 39 | */ |
| 40 | extern enum lttng_event_rule_status lttng_event_rule_syscall_set_pattern( |
| 41 | struct lttng_event_rule *rule, const char *pattern); |
| 42 | |
| 43 | /* |
| 44 | * Get the pattern of a tracecpoint event rule. |
| 45 | * |
| 46 | * The caller does not assume the ownership of the returned pattern. The |
| 47 | * pattern shall only only be used for the duration of the event rule's |
| 48 | * lifetime, or before a different pattern is set. |
| 49 | * |
| 50 | * Returns LTTNG_EVENT_RULE_STATUS_OK and a pointer to the event rule's pattern |
| 51 | * on success, LTTNG_EVENT_RULE_STATUS_INVALID if an invalid |
| 52 | * parameter is passed, or LTTNG_EVENT_RULE_STATUS_UNSET if a pattern |
| 53 | * was not set prior to this call. |
| 54 | */ |
| 55 | extern enum lttng_event_rule_status lttng_event_rule_syscall_get_pattern( |
| 56 | const struct lttng_event_rule *rule, const char **pattern); |
| 57 | |
| 58 | /* |
| 59 | * Set the filter expression of a syscall event rule. |
| 60 | * |
| 61 | * The expression is copied. |
| 62 | * |
| 63 | * Return LTTNG_EVENT_RULE_STATUS_OK on success, LTTNG_EVENT_RULE_STATUS_INVALID |
| 64 | * if invalid parameters are passed. |
| 65 | */ |
| 66 | extern enum lttng_event_rule_status lttng_event_rule_syscall_set_filter( |
| 67 | struct lttng_event_rule *rule, const char *expression); |
| 68 | |
| 69 | /* |
| 70 | * Get the filter expression of a syscall event rule. |
| 71 | * |
| 72 | * The caller does not assume the ownership of the returned filter expression. |
| 73 | * The filter expression shall only only be used for the duration of the event |
| 74 | * rule's lifetime, or before a different filter expression is set. |
| 75 | * |
| 76 | * Returns LTTNG_EVENT_RULE_STATUS_OK and a pointer to the event rule's filter |
| 77 | * expression on success, LTTNG_EVENT_RULE_STATUS_INVALID if an invalid |
| 78 | * parameter is passed, or LTTNG_EVENT_RULE_STATUS_UNSET if a filter expression |
| 79 | * was not set prior to this call. |
| 80 | */ |
| 81 | extern enum lttng_event_rule_status lttng_event_rule_syscall_get_filter( |
| 82 | const struct lttng_event_rule *rule, const char **expression); |
| 83 | |
| 84 | #ifdef __cplusplus |
| 85 | } |
| 86 | #endif |
| 87 | |
| 88 | #endif /* LTTNG_EVENT_RULE_H */ |