time_impl.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Implementation-private. This header should not be included
* directly by an application. The application should instead
* include <time.h> which includes this header conditionally
* depending on which feature test macros are defined. By default,
* this header is included by <time.h>. X/Open and POSIX
* standards requirements result in this header being included
* by <time.h> only under a restricted set of conditions.
*/
#ifndef _SYS_TIME_IMPL_H
#define _SYS_TIME_IMPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/feature_tests.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ASM
#if !defined(_TIME_T) || __cplusplus >= 199711L
#define _TIME_T
typedef long time_t; /* time of day in seconds */
#endif /* _TIME_T */
/*
* Time expressed in seconds and nanoseconds
*/
typedef struct timespec { /* definition per POSIX.4 */
time_t tv_sec; /* seconds */
long tv_nsec; /* and nanoseconds */
} timespec_t;
#if defined(_SYSCALL32)
#include <sys/types32.h>
#define TIMESPEC32_TO_TIMESPEC(ts, ts32) { \
(ts)->tv_sec = (time_t)(ts32)->tv_sec; \
(ts)->tv_nsec = (ts32)->tv_nsec; \
}
#define TIMESPEC_TO_TIMESPEC32(ts32, ts) { \
(ts32)->tv_sec = (time32_t)(ts)->tv_sec; \
(ts32)->tv_nsec = (ts)->tv_nsec; \
}
#define TIMESPEC_OVERFLOW(ts) \
((ts)->tv_sec < TIME32_MIN || (ts)->tv_sec > TIME32_MAX)
#endif /* _SYSCALL32 */
typedef struct timespec timestruc_t; /* definition per SVr4 */
/*
* The following has been left in for backward compatibility. Portable
* applications should not use the structure name timestruc.
*/
#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
#define timestruc timespec /* structure name per SVr4 */
#endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
/*
* Timer specification
*/
typedef struct itimerspec { /* definition per POSIX.4 */
struct timespec it_interval; /* timer period */
struct timespec it_value; /* timer expiration */
} itimerspec_t;
#if defined(_SYSCALL32)
#define ITIMERSPEC32_TO_ITIMERSPEC(it, it32) { \
TIMESPEC32_TO_TIMESPEC(&(it)->it_interval, &(it32)->it_interval); \
TIMESPEC32_TO_TIMESPEC(&(it)->it_value, &(it32)->it_value); \
}
#define ITIMERSPEC_TO_ITIMERSPEC32(it32, it) { \
TIMESPEC_TO_TIMESPEC32(&(it32)->it_interval, &(it)->it_interval); \
TIMESPEC_TO_TIMESPEC32(&(it32)->it_value, &(it)->it_value); \
}
#define ITIMERSPEC_OVERFLOW(it) \
(TIMESPEC_OVERFLOW(&(it)->it_interval) && \
TIMESPEC_OVERFLOW(&(it)->it_value))
#endif /* _SYSCALL32 */
#endif /* _ASM */
#define __CLOCK_REALTIME0 0 /* obsolete; same as CLOCK_REALTIME */
#define CLOCK_VIRTUAL 1 /* thread's user-level CPU clock */
#define CLOCK_THREAD_CPUTIME_ID 2 /* thread's user+system CPU clock */
#define CLOCK_REALTIME 3 /* wall clock */
#define CLOCK_MONOTONIC 4 /* high resolution monotonic clock */
#define CLOCK_PROCESS_CPUTIME_ID 5 /* process's user+system CPU clock */
#define CLOCK_HIGHRES CLOCK_MONOTONIC /* alternate name */
#define CLOCK_PROF CLOCK_THREAD_CPUTIME_ID /* alternate name */
#ifdef _KERNEL
#define CLOCK_MAX 6
#endif
#define TIMER_RELTIME 0x0 /* set timer relative */
#define TIMER_ABSTIME 0x1 /* set timer absolute */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_TIME_IMPL_H */