sleepus.c

来自「unix环境高级编程的源代码」· C语言 代码 · 共 15 行

#include    <sys/types.h>
#include    <sys/time.h>
#include    <stddef.h>
#include    "ourhdr.h"

void
sleep_us(unsigned int nusecs)
{
    struct timeval    tval;

    tval.tv_sec = nusecs / 1000000;
    tval.tv_usec = nusecs % 1000000;
    select(0, NULL, NULL, NULL, &tval);
}