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annotate libgo/runtime/go-nanotime.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
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1 // Copyright 2009 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 // Return current time in nanoseconds.
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6
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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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1830386684a0 gcc-9.2.0
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11 int64 runtime_nanotime1 (void)
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12 __attribute__ ((no_split_stack));
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13
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14 int64
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1830386684a0 gcc-9.2.0
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15 runtime_nanotime1 (void)
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16 {
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17 struct timespec ts;
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18
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19 clock_gettime (CLOCK_MONOTONIC, &ts);
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20 return (int64) ts.tv_sec * 1000000000 + (int64) ts.tv_nsec;
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21 }