122 lines
3.8 KiB
C
122 lines
3.8 KiB
C
/* $NetBSD: darwin_thread.c,v 1.6 2004/07/28 22:24:06 manu Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2002 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Emmanuel Dreyfus.
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``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 FOUNDATION OR CONTRIBUTORS
|
|
* 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: darwin_thread.c,v 1.6 2004/07/28 22:24:06 manu Exp $");
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/signal.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/sa.h>
|
|
|
|
#include <sys/syscallargs.h>
|
|
|
|
#include <compat/mach/mach_types.h>
|
|
#include <compat/mach/mach_exec.h>
|
|
#include <compat/mach/mach_vm.h>
|
|
|
|
#include <compat/darwin/darwin_audit.h>
|
|
#include <compat/darwin/darwin_signal.h>
|
|
#include <compat/darwin/darwin_syscallargs.h>
|
|
|
|
#include <machine/darwin_machdep.h>
|
|
|
|
/*
|
|
* darwin_fork_child_return() sets the return values as expected by Darwin
|
|
* userland: libSystem stub expects the child pid to be in retval[0] for
|
|
* the parent as well as the child.
|
|
*/
|
|
int
|
|
darwin_sys_fork(l, v, retval)
|
|
struct lwp *l;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
int error;
|
|
|
|
if ((error = fork1(l, 0, SIGCHLD, NULL, 0,
|
|
darwin_fork_child_return, NULL, retval, NULL)) != 0);
|
|
return error;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
darwin_sys_vfork(l, v, retval)
|
|
struct lwp *l;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
int error;
|
|
|
|
if ((error = fork1(l, FORK_PPWAIT, SIGCHLD, NULL, 0,
|
|
darwin_fork_child_return, NULL, retval, NULL)) != 0);
|
|
return error;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
darwin_sys_pthread_exit(l, v, retval)
|
|
struct lwp *l;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct darwin_sys_pthread_exit_args /* {
|
|
syscallarg(void *) value_ptr;
|
|
} */ *uap = v;
|
|
struct sys_exit_args cup;
|
|
struct mach_emuldata *med;
|
|
struct proc *p = l->l_proc;
|
|
int error;
|
|
|
|
/* Get the status or use zero if it is not possible */
|
|
if ((error = copyin(SCARG(uap, value_ptr), &SCARG(&cup, rval),
|
|
sizeof(void *))) != 0)
|
|
SCARG(&cup, rval) = 0;
|
|
|
|
/* Avoid destroying the parent's rights in mach_e_proc_exit */
|
|
med = (struct mach_emuldata *)p->p_emuldata;
|
|
LIST_INIT(&med->med_right);
|
|
|
|
return sys_exit(l, &cup, retval);
|
|
}
|