projects / lttng-ust.git / blame
| Commit | Line | Data |
|---|---|---|
| 7dd08bec MD |
1 | #ifndef _LTTNG_UST_TRACER_H |
| 2 | #define _LTTNG_UST_TRACER_H | |
| 1ea11eab MD |
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 | * | |
| e92f3e28 | 9 | * Copyright 2011-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 1ea11eab | 10 | * |
| e92f3e28 MD |
11 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 12 | * of this software and associated documentation files (the "Software"), to deal | |
| 13 | * in the Software without restriction, including without limitation the rights | |
| 14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 15 | * copies of the Software, and to permit persons to whom the Software is | |
| 16 | * furnished to do so, subject to the following conditions: | |
| 17 | * | |
| 18 | * The above copyright notice and this permission notice shall be included in | |
| 19 | * all copies or substantial portions of the Software. | |
| d2428e87 MD |
20 | * |
| 21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 22 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 23 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 24 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 25 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 26 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| 27 | * SOFTWARE. | |
| 1ea11eab MD |
28 | */ |
| 29 | ||
| 562c813a | 30 | #include <lttng/ust-config.h> |
| b728d87e | 31 | #include <lttng/ust-version.h> |
| d4d59a97 | 32 | |
| 562c813a | 33 | #ifndef LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS |
| 1ea11eab MD |
34 | /* Align data on its natural alignment */ |
| 35 | #define RING_BUFFER_ALIGN | |
| 36 | #endif | |
| 37 | ||
| 1ea11eab MD |
38 | #ifndef CHAR_BIT |
| 39 | #define CHAR_BIT 8 | |
| 40 | #endif | |
| 41 | ||
| 42 | #ifdef RING_BUFFER_ALIGN | |
| 43 | #define lttng_alignof(type) __alignof__(type) | |
| 44 | #else | |
| 45 | #define lttng_alignof(type) 1 | |
| 46 | #endif | |
| 47 | ||
| 48 | #define lttng_is_signed_type(type) (((type)(-1)) < 0) | |
| 49 | ||
| 7dd08bec | 50 | #endif /* _LTTNG_UST_TRACER_H */ |