libgo/runtime/go-now.c

   1 // Copyright 2011 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 #include <stddef.h>
   6 #include <stdint.h>
   7 #include <sys/time.h>
   8
   9 #include "runtime.h"
  10
  11 // Return current time.  This is the implementation of time.now().
  12
  13 struct time_now_ret
  14 {
  15   int64_t sec;
  16   int32_t nsec;
  17 };
  18
  19 struct time_now_ret now()
  20   __asm__ (GOSYM_PREFIX "time.now")
  21   __attribute__ ((no_split_stack));
  22
  23 struct time_now_ret
  24 now()
  25 {
  26   struct timeval tv;
  27   struct time_now_ret ret;
  28
  29   gettimeofday (&tv, NULL);
  30   ret.sec = tv.tv_sec;
  31   ret.nsec = tv.tv_usec * 1000;
  32   return ret;
  33 }