X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fevent-rule%2Fsyscall.h;fp=include%2Flttng%2Fevent-rule%2Fsyscall.h;h=7d3bd1764d7ff995fa75de14fd1e4511829844df;hp=0000000000000000000000000000000000000000;hb=1831ae68b70dece8e9b847081526495adbbf05e5;hpb=25357057de5ae4dd2a572e8f9b893c1b90cbd60a diff --git a/include/lttng/event-rule/syscall.h b/include/lttng/event-rule/syscall.h new file mode 100644 index 000000000..7d3bd1764 --- /dev/null +++ b/include/lttng/event-rule/syscall.h @@ -0,0 +1,88 @@ +/* + * Copyright (C) 2019 - Jonathan Rajotte-Julien + * + * 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. + * + * 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_EVENT_RULE_SYSCALL_H +#define LTTNG_EVENT_RULE_SYSCALL_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * TODO: + */ +extern struct lttng_event_rule *lttng_event_rule_syscall_create(void); + +/* + * Set the pattern of a syscall event rule. + * + * Pattern can contains wildcard '*'. See man lttng-enable-event. + * + * Return LTTNG_EVENT_RULE_STATUS_OK on success, LTTNG_EVENT_RULE_STATUS_INVALID + * if invalid parameters are passed. + */ +extern enum lttng_event_rule_status lttng_event_rule_syscall_set_pattern( + struct lttng_event_rule *rule, const char *pattern); + +/* + * Get the pattern of a tracecpoint event rule. + * + * The caller does not assume the ownership of the returned pattern. The + * pattern shall only only be used for the duration of the event rule's + * lifetime, or before a different pattern is set. + * + * Returns LTTNG_EVENT_RULE_STATUS_OK and a pointer to the event rule's pattern + * on success, LTTNG_EVENT_RULE_STATUS_INVALID if an invalid + * parameter is passed, or LTTNG_EVENT_RULE_STATUS_UNSET if a pattern + * was not set prior to this call. + */ +extern enum lttng_event_rule_status lttng_event_rule_syscall_get_pattern( + const struct lttng_event_rule *rule, const char **pattern); + +/* + * Set the filter expression of a syscall event rule. + * + * The expression is copied. + * + * Return LTTNG_EVENT_RULE_STATUS_OK on success, LTTNG_EVENT_RULE_STATUS_INVALID + * if invalid parameters are passed. + */ +extern enum lttng_event_rule_status lttng_event_rule_syscall_set_filter( + struct lttng_event_rule *rule, const char *expression); + +/* + * Get the filter expression of a syscall event rule. + * + * The caller does not assume the ownership of the returned filter expression. + * The filter expression shall only only be used for the duration of the event + * rule's lifetime, or before a different filter expression is set. + * + * Returns LTTNG_EVENT_RULE_STATUS_OK and a pointer to the event rule's filter + * expression on success, LTTNG_EVENT_RULE_STATUS_INVALID if an invalid + * parameter is passed, or LTTNG_EVENT_RULE_STATUS_UNSET if a filter expression + * was not set prior to this call. + */ +extern enum lttng_event_rule_status lttng_event_rule_syscall_get_filter( + const struct lttng_event_rule *rule, const char **expression); + +#ifdef __cplusplus +} +#endif + +#endif /* LTTNG_EVENT_RULE_H */