143 lines
4.0 KiB
C
143 lines
4.0 KiB
C
/* $NetBSD: netbsd32_wait.c,v 1.6 2003/02/14 10:19:14 dsl 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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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_wait.c,v 1.6 2003/02/14 10:19:14 dsl Exp $");
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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/wait.h>
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#include <sys/ptrace.h>
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#include <sys/resourcevar.h>
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#include <sys/vnode.h>
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#include <sys/pool.h>
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#include <sys/proc.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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int
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netbsd32_wait4(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 netbsd32_wait4_args /* {
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syscallarg(int) pid;
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syscallarg(netbsd32_intp) status;
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syscallarg(int) options;
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syscallarg(netbsd32_rusagep_t) rusage;
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} */ *uap = v;
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struct proc *parent = l->l_proc;
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struct netbsd32_rusage ru32;
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struct proc *child;
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int status, error;
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if (SCARG(uap, pid) == 0)
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SCARG(uap, pid) = -parent->p_pgid;
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if (SCARG(uap, options) &~ (WUNTRACED|WNOHANG))
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return (EINVAL);
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error = find_stopped_child(parent, SCARG(uap,pid), SCARG(uap,options),
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&child);
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if (error != 0)
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return error;
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if (child == NULL) {
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retval[0] = 0;
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return 0;
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}
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retval[0] = child->p_pid;
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if (child->p_stat == SZOMB) {
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if (SCARG(uap, status)) {
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status = child->p_xstat; /* convert to int */
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error = copyout((caddr_t)&status,
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(caddr_t)NETBSD32PTR64(SCARG(uap, status)),
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sizeof(status));
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if (error)
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return error;
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}
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if (SCARG(uap, rusage)) {
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netbsd32_from_rusage(child->p_ru, &ru32);
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error = copyout((caddr_t)&ru32,
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(caddr_t)NETBSD32PTR64(SCARG(uap, rusage)),
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sizeof(struct netbsd32_rusage));
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if (error)
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return error;
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}
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proc_free(child);
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return 0;
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}
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if (SCARG(uap, status)) {
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status = W_STOPCODE(child->p_xstat);
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return copyout((caddr_t)&status,
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(caddr_t)NETBSD32PTR64(SCARG(uap, status)),
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sizeof(status));
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}
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return 0;
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}
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int
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netbsd32_getrusage(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 netbsd32_getrusage_args /* {
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syscallarg(int) who;
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syscallarg(netbsd32_rusagep_t) rusage;
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} */ *uap = v;
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struct proc *p = l->l_proc;
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struct rusage *rup;
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struct netbsd32_rusage ru;
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switch (SCARG(uap, who)) {
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case RUSAGE_SELF:
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rup = &p->p_stats->p_ru;
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calcru(p, &rup->ru_utime, &rup->ru_stime, NULL);
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break;
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case RUSAGE_CHILDREN:
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rup = &p->p_stats->p_cru;
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break;
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default:
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return (EINVAL);
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}
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netbsd32_from_rusage(rup, &ru);
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return (copyout(&ru, (caddr_t)NETBSD32PTR64(SCARG(uap, rusage)),
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sizeof(ru)));
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}
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