| /* |
| * Copyright (c) 2017 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/kernel.h> |
| #include <ksched.h> |
| #include <zephyr/wait_q.h> |
| #include <zephyr/posix/time.h> |
| |
| #ifdef CONFIG_POSIX_CLOCK |
| int64_t timespec_to_timeoutms(const struct timespec *abstime) |
| { |
| int64_t milli_secs, secs, nsecs; |
| struct timespec curtime; |
| |
| /* FIXME: Zephyr does have CLOCK_REALTIME to get time. |
| * As per POSIX standard time should be calculated wrt CLOCK_REALTIME. |
| * Zephyr deviates from POSIX 1003.1 standard on this aspect. |
| */ |
| clock_gettime(CLOCK_MONOTONIC, &curtime); |
| secs = abstime->tv_sec - curtime.tv_sec; |
| nsecs = abstime->tv_nsec - curtime.tv_nsec; |
| |
| if (secs < 0 || (secs == 0 && nsecs < NSEC_PER_MSEC)) { |
| milli_secs = 0; |
| } else { |
| milli_secs = secs * MSEC_PER_SEC + nsecs / NSEC_PER_MSEC; |
| } |
| |
| return milli_secs; |
| } |
| #endif /* CONFIG_POSIX_CLOCK */ |
