580 lines
14 KiB
C
580 lines
14 KiB
C
/* $NetBSD: netbsd32_time.c,v 1.36 2009/02/26 21:08:48 christos Exp $ */
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/*
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* Copyright (c) 1998, 2001 Matthew R. Green
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* All rights reserved.
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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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* 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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: netbsd32_time.c,v 1.36 2009/02/26 21:08:48 christos Exp $");
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#if defined(_KERNEL_OPT)
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#include "opt_ntp.h"
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#include "opt_compat_netbsd.h"
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#endif
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mount.h>
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#include <sys/time.h>
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#include <sys/timex.h>
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#include <sys/timevar.h>
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#include <sys/timetc.h>
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#include <sys/proc.h>
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#include <sys/pool.h>
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#include <sys/resourcevar.h>
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#include <sys/dirent.h>
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#include <sys/kauth.h>
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#include <compat/netbsd32/netbsd32.h>
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#include <compat/netbsd32/netbsd32_syscallargs.h>
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#include <compat/netbsd32/netbsd32_conv.h>
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#ifdef NTP
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int
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netbsd32___ntp_gettime50(struct lwp *l,
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const struct netbsd32___ntp_gettime50_args *uap, register_t *retval)
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{
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/* {
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syscallarg(netbsd32_ntptimevalp_t) ntvp;
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} */
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struct netbsd32_ntptimeval ntv32;
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struct ntptimeval ntv;
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int error = 0;
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if (SCARG_P32(uap, ntvp)) {
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ntp_gettime(&ntv);
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ntv32.time.tv_sec = ntv.time.tv_sec;
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ntv32.time.tv_nsec = ntv.time.tv_nsec;
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ntv32.maxerror = (netbsd32_long)ntv.maxerror;
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ntv32.esterror = (netbsd32_long)ntv.esterror;
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ntv32.tai = (netbsd32_long)ntv.tai;
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ntv32.time_state = ntv.time_state;
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error = copyout(&ntv32, SCARG_P32(uap, ntvp), sizeof(ntv32));
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}
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if (!error) {
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*retval = ntp_timestatus();
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}
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return (error);
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}
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#ifdef COMPAT_50
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int
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compat_50_netbsd32_ntp_gettime(struct lwp *l,
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const struct compat_50_netbsd32_ntp_gettime_args *uap, register_t *retval)
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{
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/* {
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syscallarg(netbsd32_ntptimeval50p_t) ntvp;
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} */
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struct netbsd32_ntptimeval50 ntv32;
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struct ntptimeval ntv;
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int error = 0;
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if (SCARG_P32(uap, ntvp)) {
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ntp_gettime(&ntv);
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ntv32.time.tv_sec = (int32_t)ntv.time.tv_sec;
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ntv32.time.tv_nsec = ntv.time.tv_nsec;
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ntv32.maxerror = (netbsd32_long)ntv.maxerror;
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ntv32.esterror = (netbsd32_long)ntv.esterror;
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ntv32.tai = (netbsd32_long)ntv.tai;
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ntv32.time_state = ntv.time_state;
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error = copyout(&ntv32, SCARG_P32(uap, ntvp), sizeof(ntv32));
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}
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if (!error) {
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*retval = ntp_timestatus();
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}
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return (error);
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}
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#endif
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#ifdef COMPAT_30
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int
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compat_30_netbsd32_ntp_gettime(struct lwp *l, const struct compat_30_netbsd32_ntp_gettime_args *uap, register_t *retval)
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{
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/* {
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syscallarg(netbsd32_ntptimevalp_t) ntvp;
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} */
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struct netbsd32_ntptimeval30 ntv32;
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struct ntptimeval ntv;
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int error = 0;
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if (SCARG_P32(uap, ntvp)) {
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ntp_gettime(&ntv);
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ntv32.time.tv_sec = ntv.time.tv_sec;
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ntv32.time.tv_usec = ntv.time.tv_nsec / 1000;
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ntv32.maxerror = (netbsd32_long)ntv.maxerror;
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ntv32.esterror = (netbsd32_long)ntv.esterror;
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error = copyout(&ntv32, SCARG_P32(uap, ntvp), sizeof(ntv32));
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}
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if (!error) {
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*retval = ntp_timestatus();
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}
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return (error);
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}
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#endif
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int
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netbsd32_ntp_adjtime(struct lwp *l, const struct netbsd32_ntp_adjtime_args *uap, register_t *retval)
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{
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/* {
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syscallarg(netbsd32_timexp_t) tp;
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} */
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struct netbsd32_timex ntv32;
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struct timex ntv;
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int error = 0;
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int modes;
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if ((error = copyin(SCARG_P32(uap, tp), &ntv32, sizeof(ntv32))))
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return (error);
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netbsd32_to_timex(&ntv32, &ntv);
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/*
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* Update selected clock variables - only the superuser can
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* change anything. Note that there is no error checking here on
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* the assumption the superuser should know what it is doing.
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*/
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modes = ntv.modes;
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if (modes != 0 && (error = kauth_authorize_system(l->l_cred,
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KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_NTPADJTIME, NULL, NULL,
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NULL)))
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return (error);
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ntp_adjtime1(&ntv);
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netbsd32_from_timex(&ntv, &ntv32);
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error = copyout(&ntv32, SCARG_P32(uap, tp), sizeof(ntv32));
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if (!error) {
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*retval = ntp_timestatus();
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}
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return error;
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}
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#endif /* NTP */
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int
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netbsd32___setitimer50(struct lwp *l, const struct netbsd32___setitimer50_args *uap, register_t *retval)
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{
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/* {
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syscallarg(int) which;
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syscallarg(const netbsd32_itimervalp_t) itv;
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syscallarg(netbsd32_itimervalp_t) oitv;
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} */
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struct proc *p = l->l_proc;
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struct netbsd32_itimerval s32it, *itv32;
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int which = SCARG(uap, which);
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struct netbsd32___getitimer50_args getargs;
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struct itimerval aitv;
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int error;
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if ((u_int)which > ITIMER_PROF)
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return (EINVAL);
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itv32 = SCARG_P32(uap, itv);
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if (itv32) {
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if ((error = copyin(itv32, &s32it, sizeof(s32it))))
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return (error);
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netbsd32_to_itimerval(&s32it, &aitv);
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}
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if (SCARG_P32(uap, oitv) != 0) {
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SCARG(&getargs, which) = which;
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SCARG(&getargs, itv) = SCARG(uap, oitv);
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if ((error = netbsd32___getitimer50(l, &getargs, retval)) != 0)
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return (error);
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}
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if (itv32 == 0)
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return 0;
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return dosetitimer(p, which, &aitv);
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}
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int
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netbsd32___getitimer50(struct lwp *l, const struct netbsd32___getitimer50_args *uap, register_t *retval)
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{
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/* {
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syscallarg(int) which;
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syscallarg(netbsd32_itimervalp_t) itv;
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} */
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struct proc *p = l->l_proc;
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struct netbsd32_itimerval s32it;
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struct itimerval aitv;
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int error;
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error = dogetitimer(p, SCARG(uap, which), &aitv);
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if (error)
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return error;
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netbsd32_from_itimerval(&aitv, &s32it);
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return copyout(&s32it, SCARG_P32(uap, itv), sizeof(s32it));
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}
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int
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netbsd32___gettimeofday50(struct lwp *l, const struct netbsd32___gettimeofday50_args *uap, register_t *retval)
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{
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/* {
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syscallarg(netbsd32_timevalp_t) tp;
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syscallarg(netbsd32_timezonep_t) tzp;
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} */
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struct timeval atv;
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struct netbsd32_timeval tv32;
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int error = 0;
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struct netbsd32_timezone tzfake;
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if (SCARG_P32(uap, tp)) {
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microtime(&atv);
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netbsd32_from_timeval(&atv, &tv32);
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error = copyout(&tv32, SCARG_P32(uap, tp), sizeof(tv32));
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if (error)
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return (error);
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}
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if (SCARG_P32(uap, tzp)) {
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/*
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* NetBSD has no kernel notion of time zone, so we just
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* fake up a timezone struct and return it if demanded.
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*/
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tzfake.tz_minuteswest = 0;
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tzfake.tz_dsttime = 0;
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error = copyout(&tzfake, SCARG_P32(uap, tzp), sizeof(tzfake));
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}
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return (error);
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}
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int
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netbsd32___settimeofday50(struct lwp *l, const struct netbsd32___settimeofday50_args *uap, register_t *retval)
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{
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/* {
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syscallarg(const netbsd32_timevalp_t) tv;
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syscallarg(const netbsd32_timezonep_t) tzp;
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} */
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struct netbsd32_timeval atv32;
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struct timeval atv;
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struct timespec ats;
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int error;
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struct proc *p = l->l_proc;
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/* Verify all parameters before changing time. */
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/*
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* NetBSD has no kernel notion of time zone, and only an
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* obsolete program would try to set it, so we log a warning.
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*/
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if (SCARG_P32(uap, tzp))
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printf("pid %d attempted to set the "
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"(obsolete) kernel time zone\n", p->p_pid);
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if (SCARG_P32(uap, tv) == 0)
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return 0;
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if ((error = copyin(SCARG_P32(uap, tv), &atv32, sizeof(atv32))) != 0)
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return error;
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netbsd32_to_timeval(&atv32, &atv);
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TIMEVAL_TO_TIMESPEC(&atv, &ats);
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return settime(p, &ats);
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}
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int
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netbsd32___adjtime50(struct lwp *l, const struct netbsd32___adjtime50_args *uap, register_t *retval)
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{
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/* {
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syscallarg(const netbsd32_timevalp_t) delta;
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syscallarg(netbsd32_timevalp_t) olddelta;
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} */
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struct netbsd32_timeval atv;
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int error;
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extern int time_adjusted; /* in kern_ntptime.c */
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extern int64_t time_adjtime; /* in kern_ntptime.c */
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if ((error = kauth_authorize_system(l->l_cred,
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KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_ADJTIME, NULL, NULL,
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NULL)) != 0)
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return (error);
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if (SCARG_P32(uap, olddelta)) {
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atv.tv_sec = time_adjtime / 1000000;
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atv.tv_usec = time_adjtime % 1000000;
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if (atv.tv_usec < 0) {
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atv.tv_usec += 1000000;
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atv.tv_sec--;
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}
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(void) copyout(&atv,
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SCARG_P32(uap, olddelta),
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sizeof(atv));
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if (error)
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return (error);
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}
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if (SCARG_P32(uap, delta)) {
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error = copyin(SCARG_P32(uap, delta), &atv,
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sizeof(struct timeval));
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if (error)
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return (error);
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time_adjtime = (int64_t)atv.tv_sec * 1000000 + atv.tv_usec;
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if (time_adjtime)
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/* We need to save the system time during shutdown */
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time_adjusted |= 1;
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}
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return (0);
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}
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int
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netbsd32___clock_gettime50(struct lwp *l, const struct netbsd32___clock_gettime50_args *uap, register_t *retval)
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{
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/* {
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syscallarg(netbsd32_clockid_t) clock_id;
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syscallarg(netbsd32_timespecp_t) tp;
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} */
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clockid_t clock_id;
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struct timespec ats;
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struct netbsd32_timespec ts32;
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clock_id = SCARG(uap, clock_id);
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if (clock_id != CLOCK_REALTIME)
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return (EINVAL);
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nanotime(&ats);
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netbsd32_from_timespec(&ats, &ts32);
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return copyout(&ts32, SCARG_P32(uap, tp), sizeof(ts32));
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}
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int
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netbsd32___clock_settime50(struct lwp *l, const struct netbsd32___clock_settime50_args *uap, register_t *retval)
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{
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/* {
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syscallarg(netbsd32_clockid_t) clock_id;
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syscallarg(const netbsd32_timespecp_t) tp;
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} */
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struct netbsd32_timespec ts32;
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clockid_t clock_id;
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struct timespec ats;
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int error;
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clock_id = SCARG(uap, clock_id);
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if (clock_id != CLOCK_REALTIME)
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return (EINVAL);
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if ((error = copyin(SCARG_P32(uap, tp), &ts32, sizeof(ts32))) != 0)
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return (error);
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netbsd32_to_timespec(&ts32, &ats);
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return settime(l->l_proc, &ats);
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}
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int
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netbsd32___clock_getres50(struct lwp *l, const struct netbsd32___clock_getres50_args *uap, register_t *retval)
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{
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/* {
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syscallarg(netbsd32_clockid_t) clock_id;
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syscallarg(netbsd32_timespecp_t) tp;
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} */
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struct netbsd32_timespec ts32;
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clockid_t clock_id;
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struct timespec ts;
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int error = 0;
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clock_id = SCARG(uap, clock_id);
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if (clock_id != CLOCK_REALTIME)
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return (EINVAL);
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if (SCARG_P32(uap, tp)) {
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ts.tv_sec = 0;
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ts.tv_nsec = 1000000000 / hz;
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netbsd32_from_timespec(&ts, &ts32);
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error = copyout(&ts, SCARG_P32(uap, tp), sizeof(ts));
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}
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return error;
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}
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int
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netbsd32___nanosleep50(struct lwp *l, const struct netbsd32___nanosleep50_args *uap, register_t *retval)
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{
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/* {
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syscallarg(const netbsd32_timespecp_t) rqtp;
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syscallarg(netbsd32_timespecp_t) rmtp;
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} */
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static int nanowait;
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struct netbsd32_timespec ts32;
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struct timespec rqt, ctime, rmt;
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int error, timo;
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error = copyin(SCARG_P32(uap, rqtp), &ts32, sizeof(ts32));
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if (error)
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return (error);
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netbsd32_to_timespec(&ts32, &rqt);
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if (itimespecfix(&rqt))
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return (EINVAL);
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getnanotime(&ctime);
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timespecadd(&rqt, &ctime, &rqt);
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timo = tshzto(&rqt);
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/*
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* Avoid inadvertantly sleeping forever
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*/
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if (timo == 0)
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timo = 1;
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error = tsleep(&nanowait, PWAIT | PCATCH, "nanosleep", timo);
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if (error == ERESTART)
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error = EINTR;
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if (error == EWOULDBLOCK)
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error = 0;
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if (SCARG_P32(uap, rmtp)) {
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int error1;
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getnanotime(&rmt);
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timespecsub(&rqt, &rmt, &rmt);
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if (rmt.tv_sec < 0)
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timespecclear(&rmt);
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netbsd32_from_timespec(&rmt, &ts32);
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error1 = copyout(&ts32, SCARG_P32(uap,rmtp), sizeof(ts32));
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if (error1)
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return (error1);
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}
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return error;
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}
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static int
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netbsd32_timer_create_fetch(const void *src, void *dst, size_t size)
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{
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struct sigevent *evp = dst;
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struct netbsd32_sigevent ev32;
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int error;
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error = copyin(src, &ev32, sizeof(ev32));
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if (error)
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return error;
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netbsd32_to_sigevent(&ev32, evp);
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return 0;
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}
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int
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netbsd32_timer_create(struct lwp *l, const struct netbsd32_timer_create_args *uap, register_t *retval)
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{
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/* {
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syscallarg(netbsd32_clockid_t) clock_id;
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syscallarg(netbsd32_sigeventp_t) evp;
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syscallarg(netbsd32_timerp_t) timerid;
|
|
} */
|
|
|
|
return timer_create1(SCARG_P32(uap, timerid),
|
|
SCARG(uap, clock_id), SCARG_P32(uap, evp),
|
|
netbsd32_timer_create_fetch, l);
|
|
}
|
|
|
|
int
|
|
netbsd32_timer_delete(struct lwp *l, const struct netbsd32_timer_delete_args *uap, register_t *retval)
|
|
{
|
|
/* {
|
|
syscallarg(netbsd32_timer_t) timerid;
|
|
} */
|
|
struct sys_timer_delete_args ua;
|
|
|
|
NETBSD32TO64_UAP(timerid);
|
|
return sys_timer_delete(l, (void *)&ua, retval);
|
|
}
|
|
|
|
int
|
|
netbsd32___timer_settime50(struct lwp *l, const struct netbsd32___timer_settime50_args *uap, register_t *retval)
|
|
{
|
|
/* {
|
|
syscallarg(netbsd32_timer_t) timerid;
|
|
syscallarg(int) flags;
|
|
syscallarg(const netbsd32_itimerspecp_t) value;
|
|
syscallarg(netbsd32_itimerspecp_t) ovalue;
|
|
} */
|
|
int error;
|
|
struct itimerspec value, ovalue, *ovp = NULL;
|
|
struct netbsd32_itimerspec its32;
|
|
|
|
if ((error = copyin(SCARG_P32(uap, value), &its32, sizeof(its32))) != 0)
|
|
return (error);
|
|
netbsd32_to_timespec(&its32.it_interval, &value.it_interval);
|
|
netbsd32_to_timespec(&its32.it_value, &value.it_value);
|
|
|
|
if (SCARG_P32(uap, ovalue))
|
|
ovp = &ovalue;
|
|
|
|
if ((error = dotimer_settime(SCARG(uap, timerid), &value, ovp,
|
|
SCARG(uap, flags), l->l_proc)) != 0)
|
|
return error;
|
|
|
|
if (ovp) {
|
|
netbsd32_from_timespec(&ovp->it_interval, &its32.it_interval);
|
|
netbsd32_from_timespec(&ovp->it_value, &its32.it_value);
|
|
return copyout(&its32, SCARG_P32(uap, ovalue), sizeof(its32));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
netbsd32___timer_gettime50(struct lwp *l, const struct netbsd32___timer_gettime50_args *uap, register_t *retval)
|
|
{
|
|
/* {
|
|
syscallarg(netbsd32_timer_t) timerid;
|
|
syscallarg(netbsd32_itimerspecp_t) value;
|
|
} */
|
|
int error;
|
|
struct itimerspec its;
|
|
struct netbsd32_itimerspec its32;
|
|
|
|
if ((error = dotimer_gettime(SCARG(uap, timerid), l->l_proc,
|
|
&its)) != 0)
|
|
return error;
|
|
|
|
netbsd32_from_timespec(&its.it_interval, &its32.it_interval);
|
|
netbsd32_from_timespec(&its.it_value, &its32.it_value);
|
|
|
|
return copyout(&its32, SCARG_P32(uap, value), sizeof(its32));
|
|
}
|
|
|
|
int
|
|
netbsd32_timer_getoverrun(struct lwp *l, const struct netbsd32_timer_getoverrun_args *uap, register_t *retval)
|
|
{
|
|
/* {
|
|
syscallarg(netbsd32_timer_t) timerid;
|
|
} */
|
|
struct sys_timer_getoverrun_args ua;
|
|
|
|
NETBSD32TO64_UAP(timerid);
|
|
return sys_timer_getoverrun(l, (void *)&ua, retval);
|
|
}
|