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1 // Copyright 2011 The Go Authors. All rights reserved.
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2 // Use of this source code is governed by a BSD-style
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3 // license that can be found in the LICENSE file.
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4
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5 #include <stddef.h>
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6 #include <stdint.h>
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7 #include <sys/time.h>
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8
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9 #include "runtime.h"
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10
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11 // Return current time. This is the implementation of time.walltime1().
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12
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13 struct walltime_ret
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14 {
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15 int64_t sec;
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16 int32_t nsec;
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17 };
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18
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19 struct walltime_ret now(void) __asm__ (GOSYM_PREFIX "runtime.walltime1")
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20 __attribute__ ((no_split_stack));
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21
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22 struct walltime_ret
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23 now(void)
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24 {
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25 struct timespec ts;
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26 struct walltime_ret ret;
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27
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28 clock_gettime (CLOCK_REALTIME, &ts);
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29 ret.sec = ts.tv_sec;
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30 ret.nsec = ts.tv_nsec;
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31 return ret;
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32 }
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