Add client notification API

[lttng-tools.git] / include / lttng / condition / condition.h

diff --git a/include/lttng/condition/condition.h b/include/lttng/condition/condition.h
new file mode 100644 (file)
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--- /dev/null
+++ b/include/lttng/condition/condition.h
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+/*
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@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.
+ *
+ * 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_CONDITION_H
+#define LTTNG_CONDITION_H
+
+#include <lttng/lttng.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct lttng_condition;
+
+enum lttng_condition_type {
+       LTTNG_CONDITION_TYPE_UNKNOWN = -1,
+       LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW = 102,
+       LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH = 101,
+};
+
+enum lttng_condition_status {
+       LTTNG_CONDITION_STATUS_OK = 0,
+       LTTNG_CONDITION_STATUS_ERROR = -1,
+       LTTNG_CONDITION_STATUS_UNKNOWN = -2,
+       LTTNG_CONDITION_STATUS_INVALID = -3,
+       LTTNG_CONDITION_STATUS_UNSET = -4,
+};
+
+extern enum lttng_condition_type lttng_condition_get_type(
+               const struct lttng_condition *condition);
+
+extern void lttng_condition_destroy(struct lttng_condition *condition);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LTTNG_CONDITION_H */