245 lines
6.6 KiB
C
245 lines
6.6 KiB
C
/* $NetBSD: linux32_time.c,v 1.14 2007/11/25 00:35:27 elad Exp $ */
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/*-
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* Copyright (c) 2006 Emmanuel Dreyfus, 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Emmanuel Dreyfus
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* 4. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: linux32_time.c,v 1.14 2007/11/25 00:35:27 elad Exp $");
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/fstypes.h>
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#include <sys/signal.h>
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#include <sys/dirent.h>
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#include <sys/kauth.h>
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#include <sys/kernel.h>
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#include <sys/fcntl.h>
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#include <sys/namei.h>
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#include <sys/select.h>
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#include <sys/proc.h>
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#include <sys/resourcevar.h>
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#include <sys/ucred.h>
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#include <sys/swap.h>
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#include <sys/vfs_syscalls.h>
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#include <machine/types.h>
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#include <sys/syscallargs.h>
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#include <compat/netbsd32/netbsd32.h>
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#include <compat/netbsd32/netbsd32_conv.h>
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#include <compat/netbsd32/netbsd32_syscallargs.h>
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#include <compat/linux/common/linux_types.h>
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#include <compat/linux/common/linux_signal.h>
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#include <compat/linux/common/linux_machdep.h>
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#include <compat/linux/common/linux_misc.h>
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#include <compat/linux/common/linux_oldolduname.h>
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#include <compat/linux/linux_syscallargs.h>
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#include <compat/linux32/common/linux32_types.h>
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#include <compat/linux32/common/linux32_signal.h>
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#include <compat/linux32/common/linux32_machdep.h>
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#include <compat/linux32/common/linux32_sysctl.h>
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#include <compat/linux32/common/linux32_socketcall.h>
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#include <compat/linux32/linux32_syscallargs.h>
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extern struct timezone linux_sys_tz;
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int
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linux32_sys_gettimeofday(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct linux32_sys_gettimeofday_args /* {
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syscallarg(netbsd32_timevalp_t) tp;
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syscallarg(netbsd32_timezonep_t) tzp;
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} */ *uap = v;
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struct timeval tv;
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struct netbsd32_timeval tv32;
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int error;
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if (SCARG_P32(uap, tp) != NULL) {
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microtime(&tv);
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netbsd32_from_timeval(&tv, &tv32);
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if ((error = copyout(&tv32, SCARG_P32(uap, tp),
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sizeof(tv32))) != 0)
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return error;
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}
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/* timezone size does not change */
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if (SCARG_P32(uap, tzp) != NULL) {
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if ((error = copyout(&linux_sys_tz, SCARG_P32(uap, tzp),
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sizeof(linux_sys_tz))) != 0)
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return error;
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}
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return 0;
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}
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int
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linux32_sys_settimeofday(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct linux32_sys_settimeofday_args /* {
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syscallarg(netbsd32_timevalp_t) tp;
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syscallarg(netbsd32_timezonep_t) tzp;
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} */ *uap = v;
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struct linux_sys_settimeofday_args ua;
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NETBSD32TOP_UAP(tp, struct timeval);
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NETBSD32TOP_UAP(tzp, struct timezone);
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return linux_sys_settimeofday(l, &ua, retval);
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}
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int
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linux32_sys_time(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct linux32_sys_time_args /* {
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syscallcarg(linux32_timep_t) t;
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} */ *uap = v;
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struct timeval atv;
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linux32_time_t tt;
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int error;
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microtime(&atv);
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tt = (linux32_time_t)atv.tv_sec;
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if (SCARG_P32(uap, t) && (error = copyout(&tt,
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SCARG_P32(uap, t), sizeof(tt))))
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return error;
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retval[0] = tt;
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return 0;
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}
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static inline linux32_clock_t
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timeval_to_clock_t(struct timeval *tv)
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{
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return tv->tv_sec * hz + tv->tv_usec / (1000000 / hz);
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}
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int
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linux32_sys_times(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct linux32_sys_times_args /* {
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syscallarg(linux32_tmsp_t) tms;
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} */ *uap = v;
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struct linux32_tms ltms32;
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struct timeval t;
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struct rusage *ru;
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struct proc *p = l->l_proc;
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ru = &p->p_stats->p_ru;
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mutex_enter(&p->p_smutex);
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calcru(p, &ru->ru_utime, &ru->ru_stime, NULL, NULL);
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mutex_exit(&p->p_smutex);
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ltms32.ltms32_utime = timeval_to_clock_t(&ru->ru_utime);
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ltms32.ltms32_stime = timeval_to_clock_t(&ru->ru_stime);
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ru = &p->p_stats->p_cru;
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ltms32.ltms32_cutime = timeval_to_clock_t(&ru->ru_utime);
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ltms32.ltms32_cstime = timeval_to_clock_t(&ru->ru_stime);
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microtime(&t);
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*retval = timeval_to_clock_t(&t);
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return copyout(<ms32, SCARG_P32(uap, tms), sizeof(ltms32));
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}
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int
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linux32_sys_stime(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct linux32_sys_stime_args /* {
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syscallarg(linux32_timep_t) t;
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} */ *uap = v;
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struct timespec ts;
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linux32_time_t tt32;
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int error;
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if ((error = copyin(&tt32, SCARG_P32(uap, t), sizeof tt32)) != 0)
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return error;
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ts.tv_sec = (long)tt32;
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ts.tv_nsec = 0;
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return settime(l->l_proc, &ts);
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}
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int
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linux32_sys_utime(l, v, retval)
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struct lwp *l;
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void *v;
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register_t *retval;
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{
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struct linux32_sys_utime_args /* {
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syscallarg(const netbsd32_charp) path;
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syscallarg(linux32_utimbufp_t) times;
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} */ *uap = v;
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struct timeval tv[2], *tvp;
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struct linux32_utimbuf lut;
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int error;
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if (SCARG_P32(uap, times) != NULL) {
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if ((error = copyin(SCARG_P32(uap, times), &lut, sizeof lut)))
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return error;
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tv[0].tv_sec = (long)lut.l_actime;
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tv[0].tv_usec = 0;
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tv[1].tv_sec = (long)lut.l_modtime;
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tv[1].tv_usec = 0;
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tvp = tv;
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} else {
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tvp = NULL;
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}
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return do_sys_utimes(l, NULL, SCARG_P32(uap, path), FOLLOW,
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tvp, UIO_SYSSPACE);
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}
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