-#ifndef _LINUX_RING_BUFFER_FRONTEND_API_H
-#define _LINUX_RING_BUFFER_FRONTEND_API_H
+#ifndef _LTTNG_RING_BUFFER_FRONTEND_API_H
+#define _LTTNG_RING_BUFFER_FRONTEND_API_H
/*
- * linux/ringbuffer/frontend_api.h
+ * libringbuffer/frontend_api.h
*
- * (C) Copyright 2005-2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2005-2012 Mathieu Desnoyers <mathieu.desnoyers@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 as published by the Free Software Foundation; only
+ * version 2.1 of the License.
+ *
+ * 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
*
* Ring Buffer Library Synchronization Header (buffer write API).
*
* Author:
- * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * See ring_buffer_frontend.c for more information on wait-free algorithms.
- * See linux/ringbuffer/frontend.h for channel allocation and read-side API.
- *
- * Dual LGPL v2.1/GPL v2 license.
+ * See ring_buffer_frontend.c for more information on wait-free
+ * algorithms.
+ * See frontend.h for channel allocation and read-side API.
*/
#include "frontend.h"
*/
//prefetch(&buf->commit_hot[subbuf_index(*o_begin, chan)]);
- /*
- * Because we don't use any timer in the application, we
- * currently cannot guarantee that we have frequent
- * events that let us detect 27-bit overflows.
- * Therefore, for now, we force event headers
- * to contain 64-bit timestamps.
- */
- ctx->rflags |= RING_BUFFER_RFLAG_FULL_TSC;
-#if 0
if (last_tsc_overflow(config, buf, ctx->tsc))
ctx->rflags |= RING_BUFFER_RFLAG_FULL_TSC;
-#endif //0
if (caa_unlikely(subbuf_offset(*o_begin, chan) == 0))
return 1;
uatomic_dec(&buf->record_disabled);
}
-#endif /* _LINUX_RING_BUFFER_FRONTEND_API_H */
+#endif /* _LTTNG_RING_BUFFER_FRONTEND_API_H */