SoW-2019-0002: Dynamic Snapshot

[lttng-tools.git] / include / lttng / userspace-probe-internal.h

diff --git a/include/lttng/userspace-probe-internal.h b/include/lttng/userspace-probe-internal.h
index 909d56c53af186b4bc57013c43cea5eca5121de1..ef6a5726e1edf64710dea6826ea8472e5aa9555a 100644 (file)
--- a/include/lttng/userspace-probe-internal.h
+++ b/include/lttng/userspace-probe-internal.h
@@ -1,19 +1,9 @@
 /*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- * Copyright (C) 2018 - Francis Deslauriers <francis.deslauriers@efficios.com>
+ * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2018 Francis Deslauriers <francis.deslauriers@efficios.com>
  *
- * 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.
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
- * 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_USERSPACE_PROBE_INTERNAL_H
@@ -24,6 +14,10 @@
 #include <common/dynamic-buffer.h>
 #include <common/buffer-view.h>
 
+typedef bool (*userspace_probe_location_equal_cb)(
+               const struct lttng_userspace_probe_location *a,
+               const struct lttng_userspace_probe_location *b);
+
 /*
  * No elf-specific comm structure is defined since no elf-specific payload is
  * currently needed.
@@ -89,6 +83,7 @@ struct lttng_userspace_probe_location_tracepoint_comm {
 struct lttng_userspace_probe_location {
        enum lttng_userspace_probe_location_type type;
        struct lttng_userspace_probe_location_lookup_method *lookup_method;
+       userspace_probe_location_equal_cb equal;
 };
 
 struct lttng_userspace_probe_location_function {
@@ -152,4 +147,13 @@ LTTNG_HIDDEN
 struct lttng_userspace_probe_location *lttng_userspace_probe_location_copy(
                const struct lttng_userspace_probe_location *location);
 
+LTTNG_HIDDEN
+bool lttng_userspace_probe_location_is_equal(
+               const struct lttng_userspace_probe_location *a,
+               const struct lttng_userspace_probe_location *b);
+
+LTTNG_HIDDEN
+int lttng_userspace_probe_location_set_binary_fd(
+               struct lttng_userspace_probe_location *location, int fd);
+
 #endif /* LTTNG_USERSPACE_PROBE_INTERNAL_H */