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32 lines
666 B
C
32 lines
666 B
C
#include "time.h"
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#include "errno.h"
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#include "unistd.h"
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#include <libsystem/syscall.h>
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/**
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* @brief 休眠指定时间
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*
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* @param rqtp 指定休眠的时间
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* @param rmtp 返回的剩余休眠时间
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* @return int
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*/
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int nanosleep(const struct timespec *rqtp, struct timespec *rmtp)
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{
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return syscall_invoke(SYS_NANOSLEEP, (uint64_t)rqtp, (uint64_t)rmtp, 0, 0, 0, 0, 0, 0);
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}
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/**
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* @brief 睡眠指定时间
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*
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* @param usec 微秒
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* @return int
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*/
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int usleep(useconds_t usec)
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{
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struct timespec ts = {
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tv_sec : (long int)(usec / 1000000),
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tv_nsec : (long int)(usec % 1000000) * 1000UL
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};
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return nanosleep(&ts, NULL);
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} |