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/* libhw/host_bootclock.c - <libhw/generic/bootclock.h> implementation for POSIX hosts
*
* Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com>
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#include <assert.h>
#include <time.h> /* for clock_gettime(), CLOCK_MONOTONIC, struct timespec */
#include <libhw/generic/bootclock.h>
uint64_t bootclock_get_ns(void) {
struct timespec ts;
int r;
r = clock_gettime(CLOCK_MONOTONIC, &ts);
assert(r == 0);
return (((uint64_t)ts.tv_sec) * NS_PER_S) + (uint64_t)ts.tv_nsec;
}
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