707e567a40
There are many places where we copyin Linux timespec from the userspace and then convert it to the kernel timespec. To avoid code duplication add a tiny halper for doing this. MFC after: 2 weeks
147 lines
4.8 KiB
C
147 lines
4.8 KiB
C
/*-
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* Copyright (c) 2014 Bjoern A. Zeeb
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* All rights reserved.
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*
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* This software was developed by SRI International and the University of
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* Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-11-C-0249
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* ("MRC2"), as part of the DARPA MRC research programme.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LINUX_TIMER_H
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#define _LINUX_TIMER_H
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#include <sys/abi_compat.h>
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#ifndef __LINUX_ARCH_SIGEV_PREAMBLE_SIZE
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#define __LINUX_ARCH_SIGEV_PREAMBLE_SIZE \
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(sizeof(l_int) * 2 + sizeof(l_sigval_t))
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#endif
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#define LINUX_SIGEV_MAX_SIZE 64
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#define LINUX_SIGEV_PAD_SIZE \
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((LINUX_SIGEV_MAX_SIZE - __LINUX_ARCH_SIGEV_PREAMBLE_SIZE) / \
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sizeof(l_int))
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#define LINUX_CLOCK_REALTIME 0
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#define LINUX_CLOCK_MONOTONIC 1
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#define LINUX_CLOCK_PROCESS_CPUTIME_ID 2
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#define LINUX_CLOCK_THREAD_CPUTIME_ID 3
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#define LINUX_CLOCK_MONOTONIC_RAW 4
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#define LINUX_CLOCK_REALTIME_COARSE 5
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#define LINUX_CLOCK_MONOTONIC_COARSE 6
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#define LINUX_CLOCK_BOOTTIME 7
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#define LINUX_CLOCK_REALTIME_ALARM 8
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#define LINUX_CLOCK_BOOTTIME_ALARM 9
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#define LINUX_CLOCK_SGI_CYCLE 10
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#define LINUX_CLOCK_TAI 11
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#define LINUX_CPUCLOCK_PERTHREAD_MASK 4
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#define LINUX_CPUCLOCK_MASK 3
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#define LINUX_CPUCLOCK_WHICH(clock) \
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((clock) & (clockid_t) LINUX_CPUCLOCK_MASK)
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#define LINUX_CPUCLOCK_PROF 0
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#define LINUX_CPUCLOCK_VIRT 1
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#define LINUX_CPUCLOCK_SCHED 2
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#define LINUX_CPUCLOCK_MAX 3
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#define LINUX_CLOCKFD LINUX_CPUCLOCK_MAX
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#define LINUX_CLOCKFD_MASK \
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(LINUX_CPUCLOCK_PERTHREAD_MASK|LINUX_CPUCLOCK_MASK)
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#define LINUX_CPUCLOCK_ID(clock) ((pid_t) ~((clock) >> 3))
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#define LINUX_CPUCLOCK_PERTHREAD(clock) \
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(((clock) & (clockid_t) LINUX_CPUCLOCK_PERTHREAD_MASK) != 0)
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#define LINUX_TIMER_ABSTIME 0x01
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#define L_SIGEV_SIGNAL 0
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#define L_SIGEV_NONE 1
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#define L_SIGEV_THREAD 2
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#define L_SIGEV_THREAD_ID 4
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struct l_sigevent {
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l_sigval_t sigev_value;
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l_int sigev_signo;
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l_int sigev_notify;
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union {
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l_int _pad[LINUX_SIGEV_PAD_SIZE];
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l_int _tid;
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struct {
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l_uintptr_t _function;
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l_uintptr_t _attribute;
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} _l_sigev_thread;
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} _l_sigev_un;
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}
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#if defined(__amd64__) && defined(COMPAT_LINUX32)
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__packed
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#endif
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;
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struct l_itimerspec {
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struct l_timespec it_interval;
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struct l_timespec it_value;
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};
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#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
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struct l_itimerspec64 {
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struct l_timespec64 it_interval;
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struct l_timespec64 it_value;
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};
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#endif
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int native_to_linux_timespec(struct l_timespec *,
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struct timespec *);
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int linux_to_native_timespec(struct timespec *,
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struct l_timespec *);
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int linux_put_timespec(struct timespec *,
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struct l_timespec *);
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int linux_get_timespec(struct timespec *,
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const struct l_timespec *);
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#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
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int native_to_linux_timespec64(struct l_timespec64 *,
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struct timespec *);
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int linux_to_native_timespec64(struct timespec *,
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struct l_timespec64 *);
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int linux_put_timespec64(struct timespec *,
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struct l_timespec64 *);
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int linux_get_timespec64(struct timespec *,
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const struct l_timespec64 *);
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#endif
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int linux_to_native_clockid(clockid_t *, clockid_t);
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int native_to_linux_itimerspec(struct l_itimerspec *,
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struct itimerspec *);
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int linux_to_native_itimerspec(struct itimerspec *,
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struct l_itimerspec *);
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#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
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int native_to_linux_itimerspec64(struct l_itimerspec64 *,
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struct itimerspec *);
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int linux_to_native_itimerspec64(struct itimerspec *,
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struct l_itimerspec64 *);
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#endif
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int linux_to_native_timerflags(int *, int);
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#endif /* _LINUX_TIMER_H */
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