From 78239589cd8c6667886b94c4db146109855f417a Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 1 Nov 2011 09:59:32 -0400 Subject: [PATCH] New Linux syscalls process_vm_readv and process_vm_writev --- ChangeLog | 7 +++++++ NEWS | 4 +++- sysdeps/unix/sysv/linux/Versions | 3 +++ sysdeps/unix/sysv/linux/bits/uio.h | 25 ++++++++++++++++++++++++- sysdeps/unix/sysv/linux/syscalls.list | 3 +++ 5 files changed, 40 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index 2a096f1d4c..548fabf795 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,12 @@ 2011-11-01 Ulrich Drepper + * sysdeps/unix/sysv/linux/bits/uio.h: Declare process_vm_readv and + process_vm_writev. + * sysdeps/unix/sysv/linux/syscalls.list: Add process_vm_readv and + process_vm_writev. + * sysdeps/unix/sysv/linux/Versions: Export process_vm_readv and + process_vm_writev from libc using GLIBC_2.15 version. + * nscd/connections.c: Use kernel headers instead of . 2011-10-31 Paul Pluzhnikov diff --git a/NEWS b/NEWS index 8c352e9cbf..60f8f87b75 100644 --- a/NEWS +++ b/NEWS @@ -1,4 +1,4 @@ -GNU C Library NEWS -- history of user-visible changes. 2011-10-31 +GNU C Library NEWS -- history of user-visible changes. 2011-11-1 Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc. See the end for copying conditions. @@ -54,6 +54,8 @@ Version 2.15 * Optimized strcasecmp and strncasecmp for AVX on x86-64. Implemented by Ulrich Drepper. + +* New Linux interfaces: process_vm_readv, process_vm_writev Version 2.14 diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions index 3a3e8e8c2b..7f2f1b9ffe 100644 --- a/sysdeps/unix/sysv/linux/Versions +++ b/sysdeps/unix/sysv/linux/Versions @@ -163,6 +163,9 @@ libc { sendmmsg; } + GLIBC_2.15 { + process_vm_readv; process_vm_writev; + } GLIBC_PRIVATE { # functions used in other libraries __syscall_rt_sigqueueinfo; diff --git a/sysdeps/unix/sysv/linux/bits/uio.h b/sysdeps/unix/sysv/linux/bits/uio.h index 6a283ed771..ea850c8b48 100644 --- a/sysdeps/unix/sysv/linux/bits/uio.h +++ b/sysdeps/unix/sysv/linux/bits/uio.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1996, 1997, 2006 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 2006, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -48,3 +48,26 @@ struct iovec }; #endif + +#if defined _SYS_UIO_H && !defined _BITS_UIO_H_FOR_SYS_UIO_H +#define _BITS_UIO_H_FOR_SYS_UIO_H 1 + +__BEGIN_DECLS + +/* Read from another process' address space. */ +extern ssize_t process_vm_readv (pid_t __pid, __const struct iovec *__lvec, + size_t __liovcnt, + __const struct iovec *__rvec, + size_t __riovcnt, unsigned long int __flags) + __THROW; + +/* Write to another process' address space. */ +extern ssize_t process_vm_writev (pid_t __pid, __const struct iovec *__lvec, + size_t __liovcnt, + __const struct iovec *__rvec, + size_t __riovcnt, unsigned long int __flags) + __THROW; + +__END_DECLS + +#endif diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list index 2bed9e99e6..f6e6653d37 100644 --- a/sysdeps/unix/sysv/linux/syscalls.list +++ b/sysdeps/unix/sysv/linux/syscalls.list @@ -109,3 +109,6 @@ name_to_handle_at EXTRA name_to_handle_at i:isppi name_to_handle_at open_by_handle_at EXTRA open_by_handle_at Ci:ipi open_by_handle_at setns EXTRA setns i:ii setns + +process_vm_readv EXTRA process_vm_readv i:ipipii process_vm_readv +process_vm_writev EXTRA process_vm_writev i:ipipii process_vm_writev