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authorUlrich Drepper <drepper@gmail.com>2011-11-01 09:59:32 -0400
committerUlrich Drepper <drepper@gmail.com>2011-11-01 09:59:32 -0400
commit78239589cd8c6667886b94c4db146109855f417a (patch)
tree414632101a3b258315dfc17551288d54a246eed6
parent432d41ceecf5df8cfbc5a1db0cee9190f07ec1ca (diff)
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New Linux syscalls process_vm_readv and process_vm_writev
-rw-r--r--ChangeLog7
-rw-r--r--NEWS4
-rw-r--r--sysdeps/unix/sysv/linux/Versions3
-rw-r--r--sysdeps/unix/sysv/linux/bits/uio.h25
-rw-r--r--sysdeps/unix/sysv/linux/syscalls.list3
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 <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>.
2011-10-31 Paul Pluzhnikov <ppluzhnikov@google.com>
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