sync
This commit is contained in:
parent
9e7f51724c
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4b78db449c
GPG key ID:
F42C07F07E2E35B7
42 changed files with 1110 additions and 143 deletions
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@ -45,6 +45,7 @@ ENTRY_NB(bcopy)
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/* fall into memmove */
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NENTRY(memmove)
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endbr64
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RETGUARD_SETUP(memmove, r10)
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movq %rdi,%r11 /* save dest */
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movq %rdx,%rcx
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@ -1,4 +1,4 @@
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/* $OpenBSD: Ovfork.S,v 1.9 2023/01/11 01:55:17 mortimer Exp $ */
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/* $OpenBSD: Ovfork.S,v 1.10 2023/05/18 04:26:06 guenther Exp $ */
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/* $NetBSD: Ovfork.S,v 1.2 2002/06/03 18:30:33 fvdl Exp $ */
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/*-
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@ -39,17 +39,24 @@
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#include "SYS.h"
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/*
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* This is written to support a potential vfork(2) that would share
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* the parent's vmspace to the child. For that, the parent must
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* not rely on anything on the stack at the time of the syscall,
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* as the child will overwrite it. So, keep both the return address
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* and retguard value in registers (r9 and r8) across the call.
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* This used to do an indirect jump on success, but that doesn't
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* work if indirect-branch-tracking is enabled as the _caller_ of
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* this vfork() stub won't know to place an endbr64 instruction
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* after the call. So, just push it back on the stack and return.
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*/
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SYSENTRY_HIDDEN(vfork)
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RETGUARD_SETUP(_thread_sys_vfork, r8);
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popq %r9 /* my rta into r9 */
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RETGUARD_SETUP(_thread_sys_vfork, r11);
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RETGUARD_PUSH(r11);
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SYSTRAP(vfork)
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RETGUARD_POP(r11)
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jc 1f
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jmp *%r9
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1:
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pushq %r9
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jnc 1f
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SET_ERRNO
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RETGUARD_CHECK(_thread_sys_vfork, r11);
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1: RETGUARD_CHECK(_thread_sys_vfork, r8);
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ret
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SYSCALL_END_HIDDEN(vfork)
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@ -1,4 +1,4 @@
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/* $OpenBSD: getwd.c,v 1.13 2021/12/16 19:12:43 millert Exp $ */
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/* $OpenBSD: getwd.c,v 1.14 2023/05/18 16:11:09 guenther Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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@ -34,9 +34,6 @@
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#include <string.h>
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#include <unistd.h>
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int __getcwd(char *buf, size_t len);
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PROTO_NORMAL(__getcwd);
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char *
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getwd(char *buf)
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{
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@ -1,4 +1,4 @@
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/* $OpenBSD: getcwd.c,v 1.21 2016/05/07 19:48:00 guenther Exp $ */
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/* $OpenBSD: getcwd.c,v 1.22 2023/05/18 16:11:09 guenther Exp $ */
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/*
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* Copyright (c) 2005 Marius Eriksen <marius@openbsd.org>
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@ -21,9 +21,6 @@
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#include <stdlib.h>
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#include <unistd.h>
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int __getcwd(char *buf, size_t len);
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PROTO_NORMAL(__getcwd);
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char *
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getcwd(char *buf, size_t size)
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{
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@ -1,4 +1,4 @@
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/* $OpenBSD: stdlib.h,v 1.16 2019/05/10 15:03:24 otto Exp $ */
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/* $OpenBSD: stdlib.h,v 1.17 2023/05/18 16:11:09 guenther Exp $ */
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/* $NetBSD: stdlib.h,v 1.25 1995/12/27 21:19:08 jtc Exp $ */
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/*-
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@ -45,11 +45,14 @@ __END_HIDDEN_DECLS
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extern char **environ;
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extern char *__progname;
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int __realpath(const char *pathname, char *resolved);
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#if 0
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/*extern PROTO_NORMAL(suboptarg);*/
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#endif
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PROTO_NORMAL(__mb_cur_max);
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PROTO_NORMAL(__realpath);
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PROTO_STD_DEPRECATED(_Exit);
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PROTO_DEPRECATED(a64l);
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PROTO_NORMAL(abort);
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26
lib/libc/hidden/sys/event.h
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26
lib/libc/hidden/sys/event.h
Normal file
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@ -0,0 +1,26 @@
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/* $OpenBSD: event.h,v 1.1 2023/05/18 16:11:09 guenther Exp $ */
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/*
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* Copyright (c) 2023 Philip Guenther <guenther@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _LIBC_SYS_EVENT_H_
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#define _LIBC_SYS_EVENT_H_
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#include_next <sys/event.h>
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PROTO_NORMAL(kevent);
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PROTO_NORMAL(kqueue);
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#endif /* !_LIBC_SYS_EVENT_H_ */
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26
lib/libc/hidden/sys/ktrace.h
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26
lib/libc/hidden/sys/ktrace.h
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@ -0,0 +1,26 @@
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/* $OpenBSD: ktrace.h,v 1.1 2023/05/18 16:07:12 guenther Exp $ */
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/*
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* Copyright (c) 2023 Philip Guenther <guenther@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _LIBC_SYS_KTRACE_H_
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#define _LIBC_SYS_KTRACE_H_
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#include_next <sys/ktrace.h>
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PROTO_NORMAL(ktrace);
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PROTO_NORMAL(utrace);
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#endif /* !_LIBC_SYS_KTRACE_H_ */
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28
lib/libc/hidden/sys/shm.h
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28
lib/libc/hidden/sys/shm.h
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@ -0,0 +1,28 @@
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/* $OpenBSD: shm.h,v 1.1 2023/05/18 16:11:09 guenther Exp $ */
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/*
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* Copyright (c) 2023 Philip Guenther <guenther@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _LIBC_SYS_SHM_H_
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#define _LIBC_SYS_SHM_H_
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#include_next <sys/shm.h>
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PROTO_NORMAL(shmat);
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PROTO_NORMAL(shmctl);
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PROTO_NORMAL(shmdt);
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PROTO_NORMAL(shmget);
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#endif /* !_LIBC_SYS_SHM_H_ */
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@ -1,4 +1,4 @@
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/* $OpenBSD: stat.h,v 1.2 2015/09/14 10:11:54 guenther Exp $ */
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/* $OpenBSD: stat.h,v 1.3 2023/05/18 16:11:09 guenther Exp $ */
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/*
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* Copyright (c) 2015 Philip Guenther <guenther@openbsd.org>
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*
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#include_next <sys/stat.h>
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PROTO_NORMAL(chflags);
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PROTO_NORMAL(chflagsat);
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PROTO_NORMAL(chmod);
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PROTO_NORMAL(fchflags);
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PROTO_NORMAL(fchmod);
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@ -1,4 +1,4 @@
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/* $OpenBSD: unistd.h,v 1.11 2018/07/13 09:25:22 beck Exp $ */
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/* $OpenBSD: unistd.h,v 1.12 2023/05/18 16:11:09 guenther Exp $ */
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/*
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* Copyright (c) 2015 Philip Guenther <guenther@openbsd.org>
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*
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extern int _pagesize;
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__END_HIDDEN_DECLS
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/* the real syscall behind getcwd(3) and getwd(3) */
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int __getcwd(char *buf, size_t len);
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PROTO_NORMAL(__getcwd);
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PROTO_NORMAL(__tfork_thread);
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PROTO_NORMAL(_exit);
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PROTO_NORMAL(access);
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@ -87,6 +91,7 @@ PROTO_NORMAL(getresgid);
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PROTO_NORMAL(getresuid);
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PROTO_NORMAL(getsid);
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PROTO_NORMAL(getthrid);
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PROTO_NORMAL(getthrname);
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PROTO_NORMAL(getuid);
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PROTO_DEPRECATED(getusershell);
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PROTO_DEPRECATED(getwd);
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@ -142,6 +147,7 @@ PROTO_NORMAL(setresgid);
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PROTO_NORMAL(setresuid);
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PROTO_NORMAL(setreuid);
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PROTO_NORMAL(setsid);
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PROTO_NORMAL(setthrname);
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PROTO_NORMAL(setuid);
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PROTO_DEPRECATED(setusershell);
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/*PROTO_CANCEL(sleep);*/
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@ -1,4 +1,4 @@
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/* $OpenBSD: realpath.c,v 1.27 2019/07/05 05:04:26 deraadt Exp $ */
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/* $OpenBSD: realpath.c,v 1.28 2023/05/18 16:11:10 guenther Exp $ */
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/*
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* Copyright (c) 2019 Bob Beck <beck@openbsd.org>
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* Copyright (c) 2019 Theo de Raadt <deraadt@openbsd.org>
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@ -24,9 +24,6 @@
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#include <syslog.h>
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#include <stdarg.h>
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int __realpath(const char *pathname, char *resolved);
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PROTO_NORMAL(__realpath);
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/*
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* wrapper for kernel __realpath
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*/
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