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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2013 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <glenn.s.fowler@gmail.com> *
* David Korn <dgkorn@gmail.com> *
* Phong Vo <phongvo@gmail.com> *
* *
***********************************************************************/
#include <errno.h>
#include <time.h>
#include "tv.h"
/*
* sleep for tv
* non-zero exit if sleep did not complete
* with remaining time in rv
*
* NOTE: some systems hide nanosleep() ouside of -lc -- puleeze
*/
int tvsleep(const Tv_t *tv, Tv_t *rv) {
struct timespec stv;
struct timespec srv;
int r;
stv.tv_sec = tv->tv_sec;
stv.tv_nsec = tv->tv_nsec;
if ((r = nanosleep(&stv, &srv)) && errno == EINTR && rv) {
rv->tv_sec = srv.tv_sec;
rv->tv_nsec = srv.tv_nsec;
}
return r;
}
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