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/*
* FILE: usleep.c
* PROGRAM: RAT
* AUTHORS: Colin Perkins
*
* Some platforms, notably Win32 and Irix 5.3 don't have a usleep
* system call. This file provides a workaround.
*
* Copyright (c) 1999-2001 University College London
* All rights reserved.
*/
#ifndef HIDE_SOURCE_STRINGS
static const char cvsid[] =
"$Id: usleep.c,v 1.6 2001/01/08 20:30:13 ucaccsp Exp $";
#endif /* HIDE_SOURCE_STRINGS */
#include "config_unix.h"
#include "config_win32.h"
#ifdef WIN32
int usleep(unsigned int usec)
{
DWORD dur = usec/1000;
if (dur != 0) {
Sleep(dur);
}
return 0;
}
#endif
/* On Irix 6.5.4m this function isn't needed.... we should probably have */
/* a check in the configure script for usleep(). */
#ifdef NEED_USLEEP
int usleep(unsigned int usec)
{
struct timespec sleeptime,t2;
sleeptime.tv_sec = usec/1000000;
sleeptime.tv_nsec = (usec%1000000)*1000;
while(nanosleep(&sleeptime,&t2)){ /* if interrupted, sleep again*/
sleeptime.tv_sec = t2.tv_sec;
sleeptime.tv_nsec = t2.tv_nsec;
}
}
#endif
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