| 1 | /* |
| 2 | Copyright (c) 2011-2016 mingw-w64 project |
| 3 | |
| 4 | Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | copy of this software and associated documentation files (the "Software"), |
| 6 | to deal in the Software without restriction, including without limitation |
| 7 | the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | and/or sell copies of the Software, and to permit persons to whom the |
| 9 | Software is furnished to do so, subject to the following conditions: |
| 10 | |
| 11 | The above copyright notice and this permission notice shall be included in |
| 12 | all copies or substantial portions of the Software. |
| 13 | |
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 19 | FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 20 | DEALINGS IN THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #ifndef WIN_PTHREADS_BARRIER_H |
| 24 | #define WIN_PTHREADS_BARRIER_H |
| 25 | |
| 26 | #define LIFE_BARRIER 0xBAB1FEED |
| 27 | #define DEAD_BARRIER 0xDEADB00F |
| 28 | |
| 29 | #define _PTHREAD_BARRIER_FLAG (1<<30) |
| 30 | |
| 31 | #define CHECK_BARRIER(b) \ |
| 32 | do { \ |
| 33 | if (!(b) || ( ((barrier_t *)(*b))->valid != (unsigned int)LIFE_BARRIER ) ) \ |
| 34 | return EINVAL; \ |
| 35 | } while (0) |
| 36 | |
| 37 | typedef struct barrier_t barrier_t; |
| 38 | struct barrier_t |
| 39 | { |
| 40 | int valid; |
| 41 | int busy; |
| 42 | int count; |
| 43 | int total; |
| 44 | int share; |
| 45 | long sel; |
| 46 | pthread_mutex_t m; |
| 47 | sem_t sems[2]; |
| 48 | }; |
| 49 | |
| 50 | #endif |