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Diffstat (limited to 'include/lib/stdlib/sys/timespec.h')
| -rw-r--r-- | include/lib/stdlib/sys/timespec.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/lib/stdlib/sys/timespec.h b/include/lib/stdlib/sys/timespec.h new file mode 100644 index 00000000..2505cef8 --- /dev/null +++ b/include/lib/stdlib/sys/timespec.h @@ -0,0 +1,63 @@ +/*- + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)time.h 8.5 (Berkeley) 5/4/95 + * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp + * $FreeBSD$ + */ + +#ifndef _SYS_TIMESPEC_H_ +#define _SYS_TIMESPEC_H_ + +#include <sys/cdefs.h> +#include <sys/_timespec.h> + +#if __BSD_VISIBLE +#define TIMEVAL_TO_TIMESPEC(tv, ts) \ + do { \ + (ts)->tv_sec = (tv)->tv_sec; \ + (ts)->tv_nsec = (tv)->tv_usec * 1000; \ + } while (0) +#define TIMESPEC_TO_TIMEVAL(tv, ts) \ + do { \ + (tv)->tv_sec = (ts)->tv_sec; \ + (tv)->tv_usec = (ts)->tv_nsec / 1000; \ + } while (0) + +#endif /* __BSD_VISIBLE */ + +/* + * Structure defined by POSIX.1b to be like a itimerval, but with + * timespecs. Used in the timer_*() system calls. + */ +struct itimerspec { + struct timespec it_interval; + struct timespec it_value; +}; + +#endif /* _SYS_TIMESPEC_H_ */ |