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New Linux syscalls process_vm_readv and process_vm_writev

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Ulrich Drepper 2011-11-01 09:59:32 -04:00
parent 432d41ceec
commit 78239589cd
5 changed files with 40 additions and 2 deletions
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7
ChangeLog
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@ -1,5 +1,12 @@
2011-11-01 Ulrich Drepper <drepper@gmail.com> 2011-11-01 Ulrich Drepper <drepper@gmail.com>
* 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 <netlink/netlink.h>. * nscd/connections.c: Use kernel headers instead of <netlink/netlink.h>.
2011-10-31 Paul Pluzhnikov <ppluzhnikov@google.com> 2011-10-31 Paul Pluzhnikov <ppluzhnikov@google.com>

4
NEWS
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@ -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. Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc.
See the end for copying conditions. See the end for copying conditions.
@ -54,6 +54,8 @@ Version 2.15
* Optimized strcasecmp and strncasecmp for AVX on x86-64. * Optimized strcasecmp and strncasecmp for AVX on x86-64.
Implemented by Ulrich Drepper. Implemented by Ulrich Drepper.
* New Linux interfaces: process_vm_readv, process_vm_writev
Version 2.14 Version 2.14

3
sysdeps/unix/sysv/linux/Versions
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@ -163,6 +163,9 @@ libc {
sendmmsg; sendmmsg;
} }
GLIBC_2.15 {
process_vm_readv; process_vm_writev;
}
GLIBC_PRIVATE { GLIBC_PRIVATE {
# functions used in other libraries # functions used in other libraries
__syscall_rt_sigqueueinfo; __syscall_rt_sigqueueinfo;

25
sysdeps/unix/sysv/linux/bits/uio.h
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@ -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. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -48,3 +48,26 @@ struct iovec
}; };
#endif #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

3
sysdeps/unix/sysv/linux/syscalls.list
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@ -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 open_by_handle_at EXTRA open_by_handle_at Ci:ipi open_by_handle_at
setns EXTRA setns i:ii setns 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