| /* Copyright libuv project contributors. All rights reserved. |
| * |
| * 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 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. |
| */ |
| |
| #include "uv.h" |
| #include "internal.h" |
| |
| #if defined(__APPLE__) |
| /* Special case for CMake bootstrap: no clock_gettime on macOS < 10.12 */ |
| |
| #ifndef CMAKE_BOOTSTRAP |
| #error "This code path meant only for use during CMake bootstrap." |
| #endif |
| |
| #include <mach/mach.h> |
| #include <mach/mach_time.h> |
| |
| uint64_t uv__hrtime(uv_clocktype_t type) { |
| static mach_timebase_info_data_t info; |
| |
| if ((ACCESS_ONCE(uint32_t, info.numer) == 0 || |
| ACCESS_ONCE(uint32_t, info.denom) == 0) && |
| mach_timebase_info(&info) != KERN_SUCCESS) |
| abort(); |
| |
| return mach_absolute_time() * info.numer / info.denom; |
| } |
| |
| #elif defined(__hpux) |
| /* Special case for CMake bootstrap: no CLOCK_MONOTONIC on HP-UX */ |
| |
| #ifndef CMAKE_BOOTSTRAP |
| #error "This code path meant only for use during CMake bootstrap." |
| #endif |
| |
| #include <stdint.h> |
| #include <time.h> |
| |
| uint64_t uv__hrtime(uv_clocktype_t type) { |
| return (uint64_t) gethrtime(); |
| } |
| |
| #else |
| |
| #include <stdint.h> |
| #include <time.h> |
| |
| #undef NANOSEC |
| #define NANOSEC ((uint64_t) 1e9) |
| |
| uint64_t uv__hrtime(uv_clocktype_t type) { |
| struct timespec ts; |
| clock_gettime(CLOCK_MONOTONIC, &ts); |
| return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec); |
| } |
| |
| #endif |