X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/5d5c5d0d5b79ade9a973d55186ffda2638ba2b6e..4b17d6b6e417f714551ec129064745ea9919780e:/bsd/dev/i386/stubs.c diff --git a/bsd/dev/i386/stubs.c b/bsd/dev/i386/stubs.c index 512c730b1..ddc759c29 100644 --- a/bsd/dev/i386/stubs.c +++ b/bsd/dev/i386/stubs.c @@ -1,31 +1,29 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * This file contains Original Code and/or Modifications of Original Code - * as defined in and that are subject to the Apple Public Source License - * Version 2.0 (the 'License'). You may not use this file except in - * compliance with the License. The rights granted to you under the - * License may not be used to create, or enable the creation or - * redistribution of, unlawful or unlicensed copies of an Apple operating - * system, or to circumvent, violate, or enable the circumvention or - * violation of, any terms of an Apple operating system software license - * agreement. - * - * Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. - * - * The Original Code and all software distributed under the License are - * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER - * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, - * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. - * Please see the License for the specific language governing rights and + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and * limitations under the License. - * - * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1997 by Apple Computer, Inc., all rights reserved @@ -48,7 +46,6 @@ #include /* XXX should be elsewhere (cpeak) */ -extern struct proc *i386_current_proc(void); extern void *get_bsduthreadarg(thread_t); extern int *get_bsduthreadrval(thread_t); extern void *find_user_regs(thread_t); @@ -120,46 +117,11 @@ copywithin(void *src, void *dst, size_t count) return 0; } -/* - * This is just current_proc() from bsd/kern/bsd_stubs.c, but instead of - * returning kernproc in the non-vfork() case, it can return NULL. This is - * needed because the system call entry point is in osfmk/i386/bsd_i386.c - * instead of bsd/dev/i386, and therefore cannot see some BSD thread - * internals. We need to distinguish kernproc defaulting in the vfork and - * non-vfork cases vs. actually being the real process context. - */ -struct proc * -i386_current_proc(void) -{ - struct uthread * ut; - struct proc *p; - thread_t thr_act = current_thread(); - - ut = (struct uthread *)get_bsdthread_info(thr_act); - if (ut && (ut->uu_flag & UT_VFORK)) { - if (ut->uu_proc) { - p = ut->uu_proc; - if ((p->p_flag & P_INVFORK) == 0) - panic("returning child proc not under vfork"); - if (p->p_vforkact != (void *)thr_act) - panic("returning child proc which is not cur_act"); - return(p); - } else { - return (kernproc); - } - } - - /* Not in vfork - may return NULL */ - p = (struct proc *)get_bsdtask_info(current_task()); - - return (p); -} - void * get_bsduthreadarg(thread_t th) { void *arg_ptr; - struct uthread *ut; +struct uthread *ut; ut = get_bsdthread_info(th); @@ -174,7 +136,7 @@ get_bsduthreadarg(thread_t th) int * get_bsduthreadrval(thread_t th) { - struct uthread *ut; +struct uthread *ut; ut = get_bsdthread_info(th); return(&ut->uu_rval[0]);