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144 lines
4.0 KiB
C
144 lines
4.0 KiB
C
/* $NetBSD: kern_50.c,v 1.1 2014/04/04 18:17:36 njoly Exp $ */
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/*-
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* Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION 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: kern_50.c,v 1.1 2014/04/04 18:17:36 njoly Exp $");
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#include <sys/param.h>
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#include <sys/lwp.h>
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#include <sys/proc.h>
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#include <sys/syscallargs.h>
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#include <compat/sys/resource.h>
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#include <compat/sys/time.h>
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int
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compat_50_sys__lwp_park(struct lwp *l,
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const struct compat_50_sys__lwp_park_args *uap, register_t *retval)
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{
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/* {
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syscallarg(const struct timespec50 *) ts;
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syscallarg(lwpid_t) unpark;
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syscallarg(const void *) hint;
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syscallarg(const void *) unparkhint;
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} */
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struct timespec ts, *tsp;
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struct timespec50 ts50;
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int error;
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if (SCARG(uap, ts) == NULL)
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tsp = NULL;
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else {
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error = copyin(SCARG(uap, ts), &ts50, sizeof(ts50));
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if (error != 0)
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return error;
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timespec50_to_timespec(&ts50, &ts);
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tsp = &ts;
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}
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if (SCARG(uap, unpark) != 0) {
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error = lwp_unpark(SCARG(uap, unpark), SCARG(uap, unparkhint));
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if (error != 0)
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return error;
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}
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return lwp_park(CLOCK_REALTIME, TIMER_ABSTIME, tsp, SCARG(uap, hint));
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}
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static int
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tscopyin(const void *u, void *s, size_t len)
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{
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struct timespec50 ts50;
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int error;
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KASSERT(len == sizeof(struct timespec));
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error = copyin(u, &ts50, sizeof(ts50));
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if (error)
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return error;
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timespec50_to_timespec(&ts50, s);
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return 0;
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}
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static int
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tscopyout(const void *s, void *u, size_t len)
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{
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struct timespec50 ts50;
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KASSERT(len == sizeof(struct timespec));
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timespec_to_timespec50(s, &ts50);
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return copyout(&ts50, u, sizeof(ts50));
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}
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int
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compat_50_sys___sigtimedwait(struct lwp *l,
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const struct compat_50_sys___sigtimedwait_args *uap, register_t *retval)
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{
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int res;
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res = sigtimedwait1(l,
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(const struct sys_____sigtimedwait50_args *)uap, retval, copyin,
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copyout, tscopyin, tscopyout);
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if (!res)
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*retval = 0; /* XXX NetBSD<=5 was not POSIX compliant */
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return res;
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}
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int
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compat_50_sys_wait4(struct lwp *l, const struct compat_50_sys_wait4_args *uap,
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register_t *retval)
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{
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/* {
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syscallarg(int) pid;
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syscallarg(int *) status;
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syscallarg(int) options;
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syscallarg(struct rusage50 *) rusage;
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} */
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int status, error, pid = SCARG(uap, pid);
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struct rusage50 ru50;
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struct rusage ru;
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error = do_sys_wait(&pid, &status, SCARG(uap, options),
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SCARG(uap, rusage) != NULL ? &ru : NULL);
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retval[0] = pid;
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if (pid == 0)
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return error;
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if (SCARG(uap, rusage)) {
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rusage_to_rusage50(&ru, &ru50);
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error = copyout(&ru50, SCARG(uap, rusage), sizeof(ru50));
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}
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if (error == 0 && SCARG(uap, status))
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error = copyout(&status, SCARG(uap, status), sizeof(status));
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return error;
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}
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