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李通洲
23 lines
573 B
C
23 lines
573 B
C
#include "uptime.h"
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#include "common/time.h"
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#include <sys/sysctl.h>
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#include <sys/time.h>
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const char* ffDetectUptime(FFUptimeResult* result)
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{
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struct timeval bootTime;
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size_t bootTimeSize = sizeof(bootTime);
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if(sysctl(
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(int[]) {CTL_KERN, KERN_BOOTTIME}, 2,
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&bootTime, &bootTimeSize,
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NULL, 0
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) != 0)
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return "sysctl({CTL_KERN, KERN_BOOTTIME}) failed";
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result->bootTime = (uint64_t) bootTime.tv_sec * 1000 + (uint64_t) bootTime.tv_usec / 1000;
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result->uptime = ffTimeGetNow() - result->bootTime;
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return NULL;
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}
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