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Add a new type of syscall "EXTERN" which is meant for modules that live

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outside the tree (in pkgsrc). Use it to define afssys (210) which has
been reserved for years, and make it autoload the "openafs" module.
This commit is contained in:
christos 2012-05-05 19:37:37 +00:00
parent 269014127a
commit fae991ec2f
3 changed files with 15 additions and 6 deletions
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5
sys/kern/kern_syscall.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_syscall.c,v 1.6 2012/03/08 21:59:30 joerg Exp $ */
/* $NetBSD: kern_syscall.c,v 1.7 2012/05/05 19:37:37 christos Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_syscall.c,v 1.6 2012/03/08 21:59:30 joerg Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_syscall.c,v 1.7 2012/05/05 19:37:37 christos Exp $");
#include "opt_modular.h"
@ -194,6 +194,7 @@ sys_nomodule(struct lwp *l, const void *v, register_t *retval)
{ SYS__ksem_destroy, "ksem" },
{ SYS__ksem_timedwait, "ksem" },
{ SYS_nfssvc, "nfsserver" },
{ SYS_afssys, "openafs" },
};
const struct sysent *sy;
const struct emul *em;

10
sys/kern/makesyscalls.sh
View File

@ -1,5 +1,5 @@
#! /bin/sh -
# $NetBSD: makesyscalls.sh,v 1.119 2011/06/26 16:42:42 christos Exp $
# $NetBSD: makesyscalls.sh,v 1.120 2012/05/05 19:37:37 christos Exp $
#
# Copyright (c) 1994, 1996, 2000 Christopher G. Demetriou
# All rights reserved.
@ -725,7 +725,7 @@ function putent(type, compatwrap) {
# output a prototype, to be used to generate lint stubs in
# libc.
printproto("")
} else if (type == "COMPAT") {
} else if (type == "COMPAT" || type == "EXTERN") {
# Just define the syscall number with a comment. These
# may be used by compatibility stubs in libc.
printproto(compatwrap_)
@ -880,6 +880,12 @@ $2 == "OBSOL" || $2 == "UNIMPL" || $2 == "EXCL" || $2 == "IGNORED" {
syscall++
next
}
$2 == "EXTERN" {
parseline()
putent("EXTERN", "")
syscall++
next
}
{
for (i = 1; i <= ncompat; i++) {
if ($2 == compat_upper[i]) {

6
sys/kern/syscalls.master
View File

@ -1,4 +1,4 @@
$NetBSD: syscalls.master,v 1.258 2012/03/08 21:55:45 joerg Exp $
$NetBSD: syscalls.master,v 1.259 2012/05/05 19:37:37 christos Exp $
; @(#)syscalls.master 8.2 (Berkeley) 1/13/94
@ -26,6 +26,7 @@
; INDIR included, but don't define the syscall args structure,
; and allow it to be "really" varargs.
; NOERR included, syscall does not set errno
; EXTERN implemented, but as 3rd party module
;
; arguments:
; PAD argument not part of the C interface, used only for padding
@ -403,7 +404,8 @@
;
; Syscalls 210-219 are reserved for dynamically loaded syscalls
;
210 UNIMPL
210 EXTERN MODULAR { int|sys||afssys(long id, long a1, long a2, \
long a3, long a4, long a5, long a6); }
211 UNIMPL
212 UNIMPL
213 UNIMPL