include/lttng/event-rule/syscall-internal.h

   1 /*
   2  * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_EVENT_RULE_SYSCALL_INTERNAL_H
   9 #define LTTNG_EVENT_RULE_SYSCALL_INTERNAL_H
  10
  11 #include <common/buffer-view.h>
  12 #include <common/macros.h>
  13 #include <lttng/event-rule/event-rule-internal.h>
  14 #include <lttng/event-rule/syscall.h>
  15
  16 struct lttng_event_rule_syscall {
  17         struct lttng_event_rule parent;
  18         char *pattern;
  19         char *filter_expression;
  20
  21         /* internal use only */
  22         struct {
  23                 char *filter;
  24                 struct lttng_bytecode *bytecode;
  25         } internal_filter;
  26 };
  27
  28 struct lttng_event_rule_syscall_comm {
  29         uint32_t pattern_len;
  30         uint32_t filter_expression_len;
  31         /* pattern, filter expression */
  32         char payload[];
  33 } LTTNG_PACKED;
  34
  35 LTTNG_HIDDEN
  36 ssize_t lttng_event_rule_syscall_create_from_buffer(
  37                 const struct lttng_buffer_view *view,
  38                 struct lttng_event_rule **rule);
  39
  40 #endif /* LTTNG_EVENT_RULE_SYSCALL_INTERNAL_H */