pwrtray/tray/util.cpp

/*
 *   Copyright (C) 2010 Michael Buesch <m@bues.ch>
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
 *   as published by the Free Software Foundation; either version 2
 *   of the License, or (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 */

#include "util.h"

#include <time.h>
#include <errno.h>
#include <string.h>

#include <iostream>


void msleep(unsigned int msecs)
{
	int err;
	struct timespec time;

	time.tv_sec = 0;
	while (msecs >= 1000) {
		time.tv_sec++;
		msecs -= 1000;
	}
	time.tv_nsec = msecs;
	time.tv_nsec *= 1000000;
	do {
		err = nanosleep(&time, &time);
	} while (err && errno == EINTR);
	if (err) {
		std::cerr << "nanosleep() failed with: "
			  << strerror(errno) << std::endl;
	}
}