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/* $NetBSD: netbsd32_wait.c,v 1.23.20.1 2022/08/03 11:11:31 martin Exp $ */
/*
* Copyright (c) 1998, 2001 Matthew R. Green
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: netbsd32_wait.c,v 1.23.20.1 2022/08/03 11:11:31 martin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mount.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <sys/ptrace.h>
#include <sys/resourcevar.h>
#include <sys/vnode.h>
#include <sys/pool.h>
#include <sys/proc.h>
#include <sys/dirent.h>
#include <compat/netbsd32/netbsd32.h>
#include <compat/netbsd32/netbsd32_syscallargs.h>
#include <compat/netbsd32/netbsd32_conv.h>
int
netbsd32___wait450(struct lwp *l, const struct netbsd32___wait450_args *uap,
register_t *retval)
{
/* {
syscallarg(int) pid;
syscallarg(netbsd32_intp) status;
syscallarg(int) options;
syscallarg(netbsd32_rusagep_t) rusage;
} */
int error, status, pid = SCARG(uap, pid);
struct netbsd32_rusage ru32;
struct rusage ru;
error = do_sys_wait(&pid, &status, SCARG(uap, options),
SCARG_P32(uap, rusage) != NULL ? &ru : NULL);
retval[0] = pid;
if (pid == 0)
return error;
if (SCARG_P32(uap, rusage)) {
netbsd32_from_rusage(&ru, &ru32);
error = copyout(&ru32, SCARG_P32(uap, rusage), sizeof(ru32));
}
if (error == 0 && SCARG_P32(uap, status))
error = copyout(&status, SCARG_P32(uap, status), sizeof(status));
return error;
}
int
netbsd32_wait6(struct lwp *l, const struct netbsd32_wait6_args *uap,
register_t *retval)
{
/* {
syscallarg(idtype_t) idtype;
syscallarg(id_t) id;
syscallarg(netbsd32_intp) status;
syscallarg(int) options;
syscallarg(netbsd32_wrusagep_t) wru;
syscallarg(netbsd32_siginfop_t) info;
} */
idtype_t idtype = SCARG(uap, idtype);
id_t id = SCARG(uap, id);
struct wrusage wru, *wrup;
siginfo_t si, *sip;
int status;
int pid;
if (SCARG_P32(uap, wru) != NULL)
wrup = &wru;
else
wrup = NULL;
if (SCARG_P32(uap, info) != NULL)
sip = &si;
else
sip = NULL;
/*
* We expect all callers of wait6() to know about WEXITED and
* WTRAPPED.
*/
int error = do_sys_waitid(idtype, id, &pid, &status,
SCARG(uap, options), wrup, sip);
retval[0] = pid; /* tell userland who it was */
#if 0
/*
* should we copyout if there was no process, hence no useful data?
* We don't for an old sytle wait4() (etc) but I believe
* FreeBSD does for wait6(), so a tossup... Go with FreeBSD for now.
*/
if (pid == 0)
return error;
#endif
if (error == 0 && SCARG_P32(uap, status))
error = copyout(&status, SCARG_P32(uap, status),
sizeof(status));
if (wrup != NULL && error == 0) {
struct netbsd32_wrusage wru32;
memset(&wru32, 0, sizeof(wru32));
netbsd32_from_rusage(&wrup->wru_self, &wru32.wru_self);
netbsd32_from_rusage(&wrup->wru_children, &wru32.wru_children);
error = copyout(&wru32, SCARG_P32(uap, wru), sizeof(wru32));
}
if (sip != NULL && error == 0) {
siginfo32_t si32;
netbsd32_si_to_si32(&si32, sip);
error = copyout(&si32, SCARG_P32(uap, info), sizeof(si32));
}
return error;
}
int
netbsd32___getrusage50(struct lwp *l,
const struct netbsd32___getrusage50_args *uap, register_t *retval)
{
/* {
syscallarg(int) who;
syscallarg(netbsd32_rusagep_t) rusage;
} */
int error;
struct proc *p = l->l_proc;
struct rusage ru;
struct netbsd32_rusage ru32;
error = getrusage1(p, SCARG(uap, who), &ru);
if (error != 0)
return error;
netbsd32_from_rusage(&ru, &ru32);
return copyout(&ru32, SCARG_P32(uap, rusage), sizeof(ru32));
}
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