34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
#include <stdexcept> // std::domain_error()
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#include <cerrno> // errno
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#include "igs_resource_msg_from_err.h"
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#include "igs_resource_sleep.h"
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/*
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1second=1,000milli_seconds=1,000,000micro_seconds=1,000,000,000nano_seconds
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tv_sec(seconds)が負か、tv_nsec(nano_seconds)が0〜999,999,999範囲外、はエラー
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*/
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void igs::resource::sleep_sn(const time_t seconds, const long nano_seconds)
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{
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struct timespec req;
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req.tv_sec = seconds;
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req.tv_nsec = nano_seconds;
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struct timespec rem;
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rem.tv_sec = 0;
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rem.tv_nsec = 0;
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if (::nanosleep(&req, &rem) < 0) {
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throw std::domain_error(igs_resource_msg_from_err(
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TEXT("nanosleep(-)"), errno));
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}
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}
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/*
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windows ::Sleep()の仕様にあわせるためだけの関数
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1second = 1,000milli_seconds(ミリ秒)
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*/
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void igs::resource::sleep_m(const DWORD milli_seconds)
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{
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const time_t seconds = milli_seconds / 1000;
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const long nano_seconds = (milli_seconds % 1000) * 1000000;
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//std::cout << "milli_seconds=" << milli_seconds << std::endl;
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//std::cout << " seconds=" << seconds << std::endl;
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//std::cout << " nano_seconds=" << nano_seconds << std::endl;
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igs::resource::sleep_sn(seconds, nano_seconds);
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}
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