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Sysctl禁用后 有没有办法获取到设备开机时间

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@liangyong wrote:

sysctl未被禁用前可以用下面代码获取开机时间。禁用后如何获取有没有方法
mib[0] = CTL_KERN;
mib[1] = KERN_BOOTTIME;
size = sizeof(boottime);
if (sysctl(mib, MIB_SIZE, &boottime, &size, NULL, 0) != -1)

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