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Add wrappers for pread and pwrite syscalls.
This commit is contained in:
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=45313
@ -1,4 +1,4 @@
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# $Id: Makefile.inc,v 1.2 1998/08/08 02:25:46 jb Exp $
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# $Id: Makefile.inc,v 1.3 1998/08/17 03:36:16 jb Exp $
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MDASM+= Ovfork.S brk.S cerror.S exect.S fork.S pipe.S ptrace.S \
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sbrk.S setlogin.S sigpending.S sigprocmask.S sigreturn.S \
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@ -7,8 +7,8 @@ MDASM+= Ovfork.S brk.S cerror.S exect.S fork.S pipe.S ptrace.S \
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# Don't generate default code for these syscalls:
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NOASM= __semctl.o break.o exit.o ftruncate.o getdomainname.o getlogin.o \
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lseek.o mlockall.o mmap.o msgctl.o msgget.o msgrcv.o msgsnd.o \
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munlockall.o openbsd_poll.o semconfig.o semget.o semop.o \
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setdomainname.o shmat.o shmctl.o shmdt.o shmget.o sstk.o \
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munlockall.o openbsd_poll.o pread.o pwrite.o semconfig.o semget.o \
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semop.o setdomainname.o shmat.o shmctl.o shmdt.o shmget.o sstk.o \
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thr_sleep.o thr_wakeup.o truncate.o uname.o vfork.o yield.o
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PSEUDO= _getlogin.o
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@ -1,5 +1,5 @@
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# from: Makefile.inc,v 1.1 1993/09/03 19:04:23 jtc Exp
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# $Id: Makefile.inc,v 1.11 1998/07/28 03:33:17 jlemon Exp $
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# $Id: Makefile.inc,v 1.12 1998/07/29 13:43:06 bde Exp $
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SRCS+= i386_get_ioperm.c i386_get_ldt.c i386_set_ioperm.c i386_set_ldt.c \
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i386_vm86.c
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@ -11,8 +11,8 @@ MDASM= Ovfork.S brk.S cerror.S exect.S fork.S pipe.S \
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# Don't generate default code for these syscalls:
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NOASM= __semctl.o break.o exit.o ftruncate.o getdomainname.o getlogin.o \
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lseek.o mlockall.o mmap.o msgctl.o msgget.o msgrcv.o msgsnd.o \
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munlockall.o openbsd_poll.o semconfig.o semget.o semop.o \
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setdomainname.o shmat.o shmctl.o shmdt.o shmget.o sstk.o \
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munlockall.o openbsd_poll.o pread.o pwrite.o semconfig.o semget.o \
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semop.o setdomainname.o shmat.o shmctl.o shmdt.o shmget.o sstk.o \
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thr_sleep.o thr_wakeup.o truncate.o uname.o vfork.o yield.o
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PSEUDO= _getlogin.o
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@ -1,5 +1,5 @@
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# from: Makefile.inc,v 1.1 1993/09/03 19:04:23 jtc Exp
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# $Id: Makefile.inc,v 1.11 1998/07/28 03:33:17 jlemon Exp $
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# $Id: Makefile.inc,v 1.12 1998/07/29 13:43:06 bde Exp $
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SRCS+= i386_get_ioperm.c i386_get_ldt.c i386_set_ioperm.c i386_set_ldt.c \
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i386_vm86.c
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@ -11,8 +11,8 @@ MDASM= Ovfork.S brk.S cerror.S exect.S fork.S pipe.S \
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# Don't generate default code for these syscalls:
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NOASM= __semctl.o break.o exit.o ftruncate.o getdomainname.o getlogin.o \
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lseek.o mlockall.o mmap.o msgctl.o msgget.o msgrcv.o msgsnd.o \
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munlockall.o openbsd_poll.o semconfig.o semget.o semop.o \
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setdomainname.o shmat.o shmctl.o shmdt.o shmget.o sstk.o \
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munlockall.o openbsd_poll.o pread.o pwrite.o semconfig.o semget.o \
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semop.o setdomainname.o shmat.o shmctl.o shmdt.o shmget.o sstk.o \
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thr_sleep.o thr_wakeup.o truncate.o uname.o vfork.o yield.o
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PSEUDO= _getlogin.o
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@ -1,5 +1,5 @@
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# @(#)Makefile.inc 8.3 (Berkeley) 10/24/94
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# $Id: Makefile.inc,v 1.57 1998/11/24 08:15:08 jkoshy Exp $
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# $Id: Makefile.inc,v 1.58 1999/04/04 12:29:31 dfr Exp $
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# sys sources
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.PATH: ${.CURDIR}/../libc/${MACHINE_ARCH}/sys ${.CURDIR}/../libc/sys
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@ -16,7 +16,7 @@
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.include "${.CURDIR}/../libc/${MACHINE_ARCH}/sys/Makefile.inc"
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# Sources common to both syscall interfaces:
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SRCS+= ftruncate.c lseek.c mmap.c truncate.c
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SRCS+= ftruncate.c lseek.c mmap.c truncate.c pread.c pwrite.c
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# Build __error() into libc, but not libc_r which has it's own:
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.if ${LIB} == "c"
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54
lib/libc/sys/pread.c
Normal file
54
lib/libc/sys/pread.c
Normal file
@ -0,0 +1,54 @@
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)mmap.c 8.1 (Berkeley) 6/17/93";
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#endif /* LIBC_SCCS and not lint */
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#include <sys/types.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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/*
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* This function provides 64-bit offset padding that
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* is not supplied by GCC 1.X but is supplied by GCC 2.X.
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*/
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ssize_t
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pread(fd, buf, nbyte, offset)
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int fd;
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void *buf;
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size_t nbyte;
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off_t offset;
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{
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return ((ssize_t)__syscall((quad_t)SYS_pread, fd, buf, nbyte, 0, offset));
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}
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54
lib/libc/sys/pwrite.c
Normal file
54
lib/libc/sys/pwrite.c
Normal file
@ -0,0 +1,54 @@
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)mmap.c 8.1 (Berkeley) 6/17/93";
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#endif /* LIBC_SCCS and not lint */
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#include <sys/types.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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/*
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* This function provides 64-bit offset padding that
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* is not supplied by GCC 1.X but is supplied by GCC 2.X.
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*/
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ssize_t
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pwrite(fd, buf, nbyte, offset)
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int fd;
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const void *buf;
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size_t nbyte;
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off_t offset;
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{
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return ((ssize_t)__syscall((quad_t)SYS_pwrite, fd, buf, nbyte, 0, offset));
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}
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