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tools.c
/* am7xxx - communication with AM7xxx based USB Pico Projectors and DPFs
*
* Copyright (C) 2014-2018 Antonio Ospite <ao2@ao2.it>
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef _WIN32
#include <windows.h>
#else
#include <errno.h>
#include <time.h>
#endif
#include "tools.h"
int msleep(unsigned long msecs)
{
#ifdef _WIN32
Sleep(msecs);
#else
struct timespec delay;
int ret;
delay.tv_sec = msecs / 1000;
delay.tv_nsec = (msecs % 1000) * 1000000;
while (1) {
ret = nanosleep(&delay, &delay);
if (ret == -1 && errno == EINTR)
continue;
break;
}
if (ret == -1)
return ret;
#endif
return 0;
}