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Diffstat (limited to 'usr/src/uts/common/sys/time_impl.h')
| -rw-r--r-- | usr/src/uts/common/sys/time_impl.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/usr/src/uts/common/sys/time_impl.h b/usr/src/uts/common/sys/time_impl.h new file mode 100644 index 0000000000..ee2da890e0 --- /dev/null +++ b/usr/src/uts/common/sys/time_impl.h @@ -0,0 +1,142 @@ +/* + * 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 */ |