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[lttngtop.git] / lib / babeltrace / trace-handle-internal.h

diff --git a/lib/babeltrace/trace-handle-internal.h b/lib/babeltrace/trace-handle-internal.h
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+#ifndef _BABELTRACE_TRACE_HANDLE_INTERNAL_H
+#define _BABELTRACE_TRACE_HANDLE_INTERNAL_H
+
+/*
+ * BabelTrace
+ *
+ * Internal trace handle header
+ *
+ * Copyright 2012 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *         Julien Desfossez <julien.desfossez@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <babeltrace/context.h>
+#include <babeltrace/format.h>
+
+/*
+ * trace_handle : unique identifier of a trace
+ *
+ * The trace_handle allows the user to manipulate a trace file directly.
+ * It is a unique identifier representing a trace file.
+ */
+struct bt_trace_handle {
+       int id;
+       struct bt_trace_descriptor *td;
+       struct bt_format *format;
+       char path[PATH_MAX];
+       uint64_t real_timestamp_begin;
+       uint64_t real_timestamp_end;
+       uint64_t cycles_timestamp_begin;
+       uint64_t cycles_timestamp_end;
+};
+
+/*
+ * bt_trace_handle_create : allocates a trace_handle
+ *
+ * Returns a newly allocated trace_handle or NULL on error
+ */
+struct bt_trace_handle *bt_trace_handle_create(struct bt_context *ctx);
+
+/*
+ * bt_trace_handle_destroy : free a trace_handle
+ */
+void bt_trace_handle_destroy(struct bt_trace_handle *bt);
+
+#endif /* _BABELTRACE_TRACE_HANDLE_INTERNAL_H */