libc-bottom-half/cloudlibc/src/libc/time/clock_gettime.c

   1 // Copyright (c) 2015-2016 Nuxi, https://nuxi.nl/
   2 //
   3 // SPDX-License-Identifier: BSD-2-Clause
   4
   5 #include <common/clock.h>
   6 #include <common/time.h>
   7
   8 #include <wasi/api.h>
   9 #include <errno.h>
  10 #include <time.h>
  11
  12 #ifdef __wasilibc_unmodified_upstream
  13 int clock_gettime(clockid_t clock_id, struct timespec *tp) {
  14 #else
  15 int __clock_gettime(clockid_t clock_id, struct timespec *tp) {
  16 #endif
  17   __wasi_timestamp_t ts;
  18   __wasi_errno_t error = __wasi_clock_time_get(clock_id->id, 1, &ts);
  19   if (error != 0) {
  20     errno = error;
  21     return -1;
  22   }
  23   *tp = timestamp_to_timespec(ts);
  24   return 0;
  25 }
  26 #ifdef __wasilibc_unmodified_upstream
  27 #else
  28 extern __typeof(__clock_gettime) clock_gettime __attribute__((weak, alias("__clock_gettime")));
  29 #endif