220 lines
6.2 KiB
C
220 lines
6.2 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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_compat.h"
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#include <sys/param.h>
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#include <sys/errno.h>
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#include <sys/signal.h>
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#include <sys/syscallsubr.h>
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#include <sys/systm.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#ifdef COMPAT_LINUX32
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#include <machine/../linux32/linux.h>
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#include <machine/../linux32/linux32_proto.h>
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#else
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#include <machine/../linux/linux.h>
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#include <machine/../linux/linux_proto.h>
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#endif
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#include <compat/linux/linux_timer.h>
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static int
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linux_convert_l_sigevent(struct l_sigevent *l_sig, struct sigevent *sig)
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{
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CP(*l_sig, *sig, sigev_notify);
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switch (l_sig->sigev_notify) {
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case L_SIGEV_SIGNAL:
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if (!LINUX_SIG_VALID(l_sig->sigev_signo))
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return (EINVAL);
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sig->sigev_notify = SIGEV_SIGNAL;
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sig->sigev_signo = linux_to_bsd_signal(l_sig->sigev_signo);
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PTRIN_CP(*l_sig, *sig, sigev_value.sival_ptr);
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break;
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case L_SIGEV_NONE:
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sig->sigev_notify = SIGEV_NONE;
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break;
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case L_SIGEV_THREAD:
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#if 0
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/* Seems to not be used anywhere (anymore)? */
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sig->sigev_notify = SIGEV_THREAD;
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return (ENOSYS);
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#else
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return (EINVAL);
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#endif
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case L_SIGEV_THREAD_ID:
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if (!LINUX_SIG_VALID(l_sig->sigev_signo))
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return (EINVAL);
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sig->sigev_notify = SIGEV_THREAD_ID;
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CP2(*l_sig, *sig, _l_sigev_un._tid, sigev_notify_thread_id);
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sig->sigev_signo = linux_to_bsd_signal(l_sig->sigev_signo);
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PTRIN_CP(*l_sig, *sig, sigev_value.sival_ptr);
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break;
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default:
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return (EINVAL);
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}
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return (0);
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}
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int
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linux_timer_create(struct thread *td, struct linux_timer_create_args *uap)
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{
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struct l_sigevent l_ev;
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struct sigevent ev, *evp;
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clockid_t nwhich;
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int error, id;
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if (uap->evp == NULL) {
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evp = NULL;
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} else {
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error = copyin(uap->evp, &l_ev, sizeof(l_ev));
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if (error != 0)
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return (error);
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error = linux_convert_l_sigevent(&l_ev, &ev);
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if (error != 0)
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return (error);
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evp = &ev;
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}
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error = linux_to_native_clockid(&nwhich, uap->clock_id);
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if (error != 0)
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return (error);
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error = kern_ktimer_create(td, nwhich, evp, &id, -1);
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if (error == 0) {
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error = copyout(&id, uap->timerid, sizeof(int));
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if (error != 0)
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kern_ktimer_delete(td, id);
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}
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return (error);
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}
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int
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linux_timer_settime(struct thread *td, struct linux_timer_settime_args *uap)
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{
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struct l_itimerspec l_val, l_oval;
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struct itimerspec val, oval, *ovalp;
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int flags, error;
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error = copyin(uap->new, &l_val, sizeof(l_val));
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if (error != 0)
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return (error);
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error = linux_to_native_itimerspec(&val, &l_val);
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if (error != 0)
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return (error);
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ovalp = uap->old != NULL ? &oval : NULL;
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error = linux_to_native_timerflags(&flags, uap->flags);
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if (error != 0)
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return (error);
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error = kern_ktimer_settime(td, uap->timerid, flags, &val, ovalp);
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if (error == 0 && uap->old != NULL) {
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error = native_to_linux_itimerspec(&l_val, &val);
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if (error == 0)
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error = copyout(&l_oval, uap->old, sizeof(l_oval));
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}
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return (error);
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}
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#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
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int
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linux_timer_settime64(struct thread *td, struct linux_timer_settime64_args *uap)
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{
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struct l_itimerspec64 l_val, l_oval;
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struct itimerspec val, oval, *ovalp;
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int flags, error;
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error = copyin(uap->new, &l_val, sizeof(l_val));
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if (error != 0)
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return (error);
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error = linux_to_native_itimerspec64(&val, &l_val);
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if (error != 0)
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return (error);
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ovalp = uap->old != NULL ? &oval : NULL;
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error = linux_to_native_timerflags(&flags, uap->flags);
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if (error != 0)
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return (error);
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error = kern_ktimer_settime(td, uap->timerid, flags, &val, ovalp);
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if (error == 0 && uap->old != NULL) {
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error = native_to_linux_itimerspec64(&l_val, &val);
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if (error == 0)
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error = copyout(&l_oval, uap->old, sizeof(l_oval));
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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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linux_timer_gettime(struct thread *td, struct linux_timer_gettime_args *uap)
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{
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struct l_itimerspec l_val;
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struct itimerspec val;
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int error;
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error = kern_ktimer_gettime(td, uap->timerid, &val);
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if (error == 0)
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error = native_to_linux_itimerspec(&l_val, &val);
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if (error == 0)
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error = copyout(&l_val, uap->setting, sizeof(l_val));
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return (error);
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}
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#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
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int
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linux_timer_gettime64(struct thread *td, struct linux_timer_gettime64_args *uap)
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{
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struct l_itimerspec64 l_val;
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struct itimerspec val;
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int error;
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error = kern_ktimer_gettime(td, uap->timerid, &val);
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if (error == 0)
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error = native_to_linux_itimerspec64(&l_val, &val);
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if (error == 0)
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error = copyout(&l_val, uap->setting, sizeof(l_val));
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return (error);
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}
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#endif
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int
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linux_timer_getoverrun(struct thread *td, struct linux_timer_getoverrun_args *uap)
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{
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return (kern_ktimer_getoverrun(td, uap->timerid));
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}
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int
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linux_timer_delete(struct thread *td, struct linux_timer_delete_args *uap)
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{
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return (kern_ktimer_delete(td, uap->timerid));
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}
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