1 /* $NetBSD: kern_exit_43.c,v 1.23 2019/01/27 02:08:39 pgoyette Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1986, 1989, 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)kern_exit.c 8.7 (Berkeley) 2/12/94 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: kern_exit_43.c,v 1.23 2019/01/27 02:08:39 pgoyette Exp $"); 41 42 #if defined(_KERNEL_OPT) 43 #include "opt_compat_netbsd.h" 44 #endif 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/ioctl.h> 49 #include <sys/proc.h> 50 #include <sys/tty.h> 51 #include <sys/time.h> 52 #include <sys/resource.h> 53 #include <sys/kernel.h> 54 #include <sys/buf.h> 55 #include <sys/wait.h> 56 #include <sys/file.h> 57 #include <sys/vnode.h> 58 #include <sys/syslog.h> 59 #include <sys/resourcevar.h> 60 #include <sys/ptrace.h> 61 #include <sys/acct.h> 62 63 #include <sys/mount.h> 64 #include <sys/syscall.h> 65 #include <sys/syscallvar.h> 66 #include <sys/syscallargs.h> 67 68 #include <sys/cpu.h> 69 #include <machine/reg.h> 70 #include <compat/common/compat_util.h> 71 #include <compat/common/compat_mod.h> 72 73 #ifdef m68k 74 #include <machine/psl.h> /* only m68k ports use PSL_ALLCC */ 75 #include <machine/frame.h> 76 #define GETPS(rp) ((struct frame *)(rp))->f_sr 77 #else 78 #define GETPS(rp) (rp)[PS] 79 #endif 80 81 static struct syscall_package kern_exit_43_syscalls[] = { 82 { SYS_compat_43_owait, 0, (sy_call_t *)compat_43_sys_wait }, 83 { 0, 0, NULL} 84 }; 85 86 int 87 compat_43_sys_wait(struct lwp *l, const void *v, register_t *retval) 88 { 89 int error, status, child_pid = WAIT_ANY; 90 91 #ifdef PSL_ALLCC 92 if ((GETPS(l->l_md.md_regs) & PSL_ALLCC) != PSL_ALLCC) { 93 error = do_sys_wait(&child_pid, &status, 0, NULL); 94 } else { 95 error = do_sys_wait(&child_pid, &status, 96 l->l_md.md_regs[R0], (struct rusage *)l->l_md.md_regs[R1]); 97 } 98 #else 99 error = do_sys_wait(&child_pid, &status, 0, NULL); 100 #endif 101 retval[0] = child_pid; 102 retval[1] = status; 103 return error; 104 } 105 106 int 107 kern_exit_43_init(void) 108 { 109 110 return syscall_establish(NULL, kern_exit_43_syscalls); 111 } 112 113 int 114 kern_exit_43_fini(void) 115 { 116 117 return syscall_disestablish(NULL, kern_exit_43_syscalls); 118 } 119