Fix: probes should be compared strictly by events metadata

[lttng-tools.git] / src / bin / lttng-sessiond / ust-field-utils.h

diff --git a/src/bin/lttng-sessiond/ust-field-utils.h b/src/bin/lttng-sessiond/ust-field-utils.h
new file mode 100644 (file)
index 0000000..e75621f
--- /dev/null
+++ b/src/bin/lttng-sessiond/ust-field-utils.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2018 - Francis Deslauriers francis.deslauriers@efficios.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License, version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This program 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 General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef LTTNG_UST_FIELD_UTILS_H
+#define LTTNG_UST_FIELD_UTILS_H
+
+#include "ust-ctl.h"
+
+/*
+ * Compare two UST fields.
+ * Return 1 if both fields have identical definition, 0 otherwise.
+ */
+int match_ustctl_field(const struct ustctl_field *first,
+               const struct ustctl_field *second);
+
+#endif /* LTTNG_UST_FIELD_UTILS_H */