projects / deliverable / barectf.git / blame
| Commit | Line | Data |
|---|---|---|
| d183b2df PP |
1 | #ifndef _BARECTF_TRACEPOINT_H |
| 2 | #define _BARECTF_TRACEPOINT_H | |
| 3 | ||
| 4 | /* | |
| 5 | * The MIT License (MIT) | |
| 6 | * | |
| 7 | * Copyright (c) 2016 Philippe Proulx <pproulx@efficios.com> | |
| 8 | * | |
| 9 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 10 | * of this software and associated documentation files (the "Software"), to deal | |
| 11 | * in the Software without restriction, including without limitation the rights | |
| 12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 13 | * copies of the Software, and to permit persons to whom the Software is | |
| 14 | * furnished to do so, subject to the following conditions: | |
| 15 | * | |
| 16 | * The above copyright notice and this permission notice shall be included in | |
| 17 | * all copies or substantial portions of the Software. | |
| 18 | * | |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| 25 | * THE SOFTWARE. | |
| 26 | */ | |
| 27 | ||
| 28 | /* get prefix */ | |
| 29 | #ifdef BARECTF_TRACEPOINT_PREFIX | |
| 30 | # define _BARECTF_TRACEPOINT_PREFIX BARECTF_TRACEPOINT_PREFIX | |
| 31 | #else | |
| 32 | # ifdef _BARECTF_PREFIX | |
| 33 | # define _BARECTF_TRACEPOINT_PREFIX _BARECTF_PREFIX | |
| 34 | # else | |
| 35 | # error You need to define BARECTF_TRACEPOINT_PREFIX in order to use this header. | |
| 36 | # endif | |
| 37 | #endif | |
| 38 | ||
| 39 | /* get stream name to use */ | |
| 40 | #ifdef BARECTF_TRACEPOINT_STREAM | |
| 41 | # define _BARECTF_TRACEPOINT_STREAM BARECTF_TRACEPOINT_STREAM | |
| 42 | #else | |
| 43 | # ifdef _BARECTF_DEFAULT_STREAM | |
| 44 | # define _BARECTF_TRACEPOINT_STREAM _BARECTF_DEFAULT_STREAM | |
| 45 | # else | |
| 46 | # error You need to define BARECTF_TRACEPOINT_STREAM in order to use this header. | |
| 47 | # endif | |
| 48 | #endif | |
| 49 | ||
| 50 | /* get context to use */ | |
| 51 | #ifndef BARECTF_TRACEPOINT_CTX | |
| 52 | # error You need to define BARECTF_TRACEPOINT_CTX in order to use this header. | |
| 53 | #endif | |
| 54 | ||
| 55 | /* | |
| 56 | * Combines 6 token. Inspired by __TP_COMBINE_TOKENS4() in | |
| 57 | * <lttng/tracepoint.h>. See sections 6.10.3 and 6.10.3.1 of | |
| 58 | * ISO/IEC 9899:1999. | |
| 59 | */ | |
| 60 | #define __COMBINE_TOKENS6(_a, _b, _c, _d, _e, _f) \ | |
| 61 | _a ## _b ## _c ## _d ## _e ## _f | |
| 62 | #define _COMBINE_TOKENS6(_a, _b, _c, _d, _e, _f) \ | |
| 63 | __COMBINE_TOKENS6(_a, _b, _c, _d, _e, _f) | |
| 64 | ||
| 65 | /* tracepoint() used by the user */ | |
| 66 | #undef tracepoint | |
| 67 | #define tracepoint(_prov_name, _tp_name, ...) \ | |
| 68 | _COMBINE_TOKENS6(_BARECTF_TRACEPOINT_PREFIX, _BARECTF_TRACEPOINT_STREAM, _trace_, _prov_name, _, _tp_name)(BARECTF_TRACEPOINT_CTX, ##__VA_ARGS__) | |
| 69 | ||
| 70 | #endif /* _BARECTF_TRACEPOINT_H */ |