projects / lttng-ust.git / blame
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| 1ea11eab MD |
1 | #ifndef _LTTNG_TRACER_H |
| 2 | #define _LTTNG_TRACER_H | |
| 3 | ||
| 4 | /* | |
| 5 | * Copyright (C) 2005-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 6 | * | |
| 7 | * This contains the core definitions for the Linux Trace Toolkit. | |
| 8 | * | |
| 9 | * This library is free software; you can redistribute it and/or | |
| 10 | * modify it under the terms of the GNU Lesser General Public | |
| 11 | * License as published by the Free Software Foundation; version 2.1 of | |
| 12 | * the License. | |
| 13 | * | |
| 14 | * This library is distributed in the hope that it will be useful, | |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 | * Lesser General Public License for more details. | |
| 18 | * | |
| 19 | * You should have received a copy of the GNU Lesser General Public | |
| 20 | * License along with this library; if not, write to the Free Software | |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 22 | */ | |
| 23 | ||
| 24 | #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS | |
| 25 | /* Align data on its natural alignment */ | |
| 26 | #define RING_BUFFER_ALIGN | |
| 27 | #endif | |
| 28 | ||
| 29 | #define LTTNG_UST_VERSION 0 | |
| 30 | #define LTTNG_UST_PATCHLEVEL 9 | |
| 31 | #define LTTNG_UST_SUBLEVEL 1 | |
| 32 | ||
| 33 | #ifndef CHAR_BIT | |
| 34 | #define CHAR_BIT 8 | |
| 35 | #endif | |
| 36 | ||
| 37 | #ifdef RING_BUFFER_ALIGN | |
| 38 | #define lttng_alignof(type) __alignof__(type) | |
| 39 | #else | |
| 40 | #define lttng_alignof(type) 1 | |
| 41 | #endif | |
| 42 | ||
| 43 | #define lttng_is_signed_type(type) (((type)(-1)) < 0) | |
| 44 | ||
| 45 | #endif /* _LTTNG_TRACER_CORE_H */ |