| /* |
| * Copyright © 2015 Intel |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| #ifndef UTIL_FUTEX_H |
| #define UTIL_FUTEX_H |
| |
| #if defined(HAVE_LINUX_FUTEX_H) |
| #define UTIL_FUTEX_SUPPORTED 1 |
| #elif defined(__FreeBSD__) |
| #define UTIL_FUTEX_SUPPORTED 1 |
| #elif defined(__OpenBSD__) |
| #define UTIL_FUTEX_SUPPORTED 1 |
| #elif defined(_WIN32) && !defined(WINDOWS_NO_FUTEX) |
| #define UTIL_FUTEX_SUPPORTED 1 |
| #else |
| #define UTIL_FUTEX_SUPPORTED 0 |
| #endif |
| |
| #if UTIL_FUTEX_SUPPORTED |
| #include <stdint.h> |
| #include <c11/time.h> |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #if UTIL_FUTEX_SUPPORTED |
| int futex_wake(uint32_t *addr, int count); |
| int futex_wait(uint32_t *addr, int32_t value, const struct timespec *timeout); |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* UTIL_FUTEX_H */ |
