NetBSD/sys/compat/netbsd32/netbsd32_wait.c

112 lines
3.2 KiB
C

/* $NetBSD: netbsd32_wait.c,v 1.21 2009/11/04 21:23:03 rmind 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 1.21 2009/11/04 21:23:03 rmind 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___getrusage50(struct lwp *l,
const struct netbsd32___getrusage50_args *uap, register_t *retval)
{
/* {
syscallarg(int) who;
syscallarg(netbsd32_rusagep_t) rusage;
} */
struct proc *p = l->l_proc;
struct rusage *rup;
struct netbsd32_rusage ru;
switch (SCARG(uap, who)) {
case RUSAGE_SELF:
rup = &p->p_stats->p_ru;
mutex_enter(p->p_lock);
calcru(p, &rup->ru_utime, &rup->ru_stime, NULL, NULL);
mutex_exit(p->p_lock);
break;
case RUSAGE_CHILDREN:
rup = &p->p_stats->p_cru;
break;
default:
return (EINVAL);
}
netbsd32_from_rusage(rup, &ru);
return copyout(&ru, SCARG_P32(uap, rusage), sizeof(ru));
}