| William Clark | 7b0301f | 2015-08-21 17:44:46 -0700 | [diff] [blame] | 1 | /* |
| 2 | |
| 3 | Copyright (c) 2015, The Linux Foundation. All rights reserved. |
| 4 | |
| 5 | Redistribution and use in source and binary forms, with or without |
| 6 | modification, are permitted provided that the following conditions are |
| 7 | met: |
| 8 | * Redistributions of source code must retain the above copyright |
| 9 | notice, this list of conditions and the following disclaimer. |
| 10 | * Redistributions in binary form must reproduce the above |
| 11 | copyright notice, this list of conditions and the following |
| 12 | disclaimer in the documentation and/or other materials provided |
| 13 | with the distribution. |
| 14 | * Neither the name of The Linux Foundation nor the names of its |
| 15 | contributors may be used to endorse or promote products derived |
| 16 | from this software without specific prior written permission. |
| 17 | |
| 18 | THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 19 | |
| 20 | WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 21 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 22 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 23 | BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 26 | BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 27 | WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 28 | OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 29 | IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | |
| 31 | */ |
| 32 | |
| 33 | #include <dlfcn.h> |
| 34 | |
| 35 | #define SEEMPLOG_RECORD(api, params) \ |
| 36 | static bool shouldTryLoad = true; \ |
| 37 | static void (*seemp_log_record_func)(int type, const char* msg) = NULL; \ |
| 38 | \ |
| 39 | if (shouldTryLoad) { \ |
| 40 | shouldTryLoad = false; \ |
| 41 | void* libhandle = dlopen("libSeemplog.so", RTLD_NOW); \ |
| 42 | if (libhandle != NULL) { \ |
| 43 | *(void**)(&seemp_log_record_func) = \ |
| 44 | dlsym(libhandle, "seemp_log_record"); \ |
| 45 | } \ |
| 46 | } \ |
| 47 | if (seemp_log_record_func) \ |
| 48 | seemp_log_record_func(api, params); |
| 49 | |
| 50 | |
| 51 | |