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#ifndef __FreeBSD__
#include <unistd.h>
#endif /* FreeBSD */
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <time.h>
#include <sys/time.h>
#include <sys/param.h>
#include <sys/types.h>
int u_sleep(unsigned long int microSeconds)
{
unsigned int Seconds , uSec;
int nfds=0;
struct timeval Timer;
if(microSeconds == (unsigned long) 0)
return 0;
if( (microSeconds < (unsigned long) 0)
|| microSeconds > (unsigned long) 4000000)
{
errno = ERANGE;
perror("u_sleep time out of range(0 -> 4000000)");
return -1;
}
Seconds = microSeconds/(unsigned long) 1000000;
uSec = microSeconds %(unsigned long) 1000000;
Timer.tv_sec = Seconds;
Timer.tv_usec = uSec;
if(select(nfds , NULL, NULL, NULL,&Timer) < 0)
{
perror("u_sleep (select) failed ");
return -1;
}
return 0;
}
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