* Versions.def (glibc): Add GLIBC_2.9.

	* io/Makefile (routines): Add dup3 and pipe2.
	* io/Versions [glibc] (GLIBC_2.9): Add dup3 and pipe2.
	* io/dup3.c: New file.
	* io/pipe2.c: New file.
	* posix/unistd.h: Declare dup3 and pipe2.
	* socket/Makefile (routines): Add paccept.
	* socket/Versions [glibc] (GLIBC_2.9): Add paccept.
	* socket/paccept.c: New file.
	* socket/sys/socket.h: Declare paccept.
	* sysdeps/unix/syscalls.list: Add entry for dup3.
	* sysdeps/unix/sysv/linux/Versions [glibc] (GLIBC_2.9): Add
	epoll_create2 and inotify_init1.
	* sysdeps/unix/sysv/linux/eventfd.c: Use eventfd1 syscall if possible.
	* sysdeps/unix/sysv/linux/paccept.c: New file.
	* sysdeps/unix/sysv/linux/signalfd.c: Use signalfd4 syscall if
	possible.
	* sysdeps/unix/sysv/linux/socketcall.h: Add SOCKOP_paccept.
	* sysdeps/unix/sysv/linux/syscalls.list: Add epoll_create2,
	inotify_init1, and pipe2 entries.
	* sysdeps/unix/sysv/linux/alpha/sys/epoll.h: New file.
	* sysdeps/unix/sysv/linux/alpha/sys/eventfd.h: New file.
	* sysdeps/unix/sysv/linux/alpha/sys/inotify.h: New file.
	* sysdeps/unix/sysv/linux/alpha/sys/signalfd.h: New file.
	* sysdeps/unix/sysv/linux/alpha/sys/timerfd.h: New file.
	* sysdeps/unix/sysv/linux/bits/socket.h: Define SOCK_CLOEXEC and
	SOCK_NONBLOCK.
	* sysdeps/unix/sysv/linux/i386/paccept.S: New file.
	* sysdeps/unix/sysv/linux/sparc/sys/epoll.h: New file.
	* sysdeps/unix/sysv/linux/sparc/sys/eventfd.h: New file.
	* sysdeps/unix/sysv/linux/sparc/sys/inotify.h: New file.
	* sysdeps/unix/sysv/linux/sparc/sys/signalfd.h: New file.
	* sysdeps/unix/sysv/linux/sparc/sys/timerfd.h: New file.
	* sysdeps/unix/sysv/linux/sparc/bits/socket.h: New file.
	* sysdeps/unix/sysv/linux/sys/epoll.h: Define EPOLL_CLOEXEC and
	EPOLL_NONBLOCK.  Declare epoll_create2.
	* sysdeps/unix/sysv/linux/sys/eventfd.h: Define EFD_CLOEXEC and
	EFD_NONBLOCK.
	* sysdeps/unix/sysv/linux/sys/inotify.h: Define IN_CLOEXEC and
	IN_NONBLOCK.  Declare inotify_init1.
	* sysdeps/unix/sysv/linux/sys/signalfd.h: Define SFD_CLOEXEC and
	SFD_NONBLOCK.
	* sysdeps/unix/sysv/linux/sys/timerfd.h: Define TFD_CLOEXEC and
	TFD_NONBLOCK.

4 files changed, 65 insertions, 3 deletions

diff --git a/socket/Makefile b/socket/Makefile
index aa0776e5bf..e1c9ec0fad 100644
--- a/socket/Makefile
+++ b/socket/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1991,1995-2001,2005 Free Software Foundation, Inc.
+# Copyright (C) 1991,1995-2001,2005,2008 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
@@ -27,7 +27,7 @@ headers	:= sys/socket.h sys/un.h bits/sockaddr.h bits/socket.h \
 routines := accept bind connect getpeername getsockname getsockopt	\
 	    listen recv recvfrom recvmsg send sendmsg sendto		\
 	    setsockopt shutdown socket socketpair isfdtype opensock	\
-	    sockatmark
+	    sockatmark paccept
 
 distribute := ifreq.h
 
diff --git a/socket/Versions b/socket/Versions
index d282eff79e..9764227c36 100644
--- a/socket/Versions
+++ b/socket/Versions
@@ -31,4 +31,7 @@ libc {
     # Addition from P1003.1-200x
     sockatmark;
   }
+  GLIBC_2.9 {
+    paccept;
+  }
 }
diff --git a/socket/paccept.c b/socket/paccept.c
new file mode 100644
index 0000000000..777dd8c300
--- /dev/null
+++ b/socket/paccept.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 2008 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <sys/socket.h>
+
+/* Await a connection on socket FD.
+   When a connection arrives, open a new socket to communicate with it,
+   set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting
+   peer and *ADDR_LEN to the address's actual length, and return the
+   new socket's descriptor, or -1 for errors.  SS is installed as
+   the thread's signal mask and FLAGS are additional flags.  */
+int
+paccept (fd, addr, addr_len, ss, flags)
+     int fd;
+     __SOCKADDR_ARG addr;
+     socklen_t *addr_len;
+     const __sigset_t *ss;
+     int flags;
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+libc_hidden_def (paccept)
+
+
+stub_warning (paccept)
+#include <stub-tag.h>
diff --git a/socket/sys/socket.h b/socket/sys/socket.h
index 6d9eab7f94..ea4123d287 100644
--- a/socket/sys/socket.h
+++ b/socket/sys/socket.h
@@ -1,5 +1,5 @@
 /* Declarations of socket constants, types, and functions.
-   Copyright (C) 1991,92,1994-2001,2003,2005,2007
+   Copyright (C) 1991,92,1994-2001,2003,2005,2007,2008
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -28,6 +28,10 @@ __BEGIN_DECLS
 #include <sys/uio.h>
 #define	__need_size_t
 #include <stddef.h>
+#ifdef __USE_GNU
+/* Get the __sigset_t definition.  */
+# include <bits/sigset.h>
+#endif
 
 
 /* This operating system-specific header file defines the SOCK_*, PF_*,
@@ -210,6 +214,18 @@ extern int listen (int __fd, int __n) __THROW;
 extern int accept (int __fd, __SOCKADDR_ARG __addr,
 		   socklen_t *__restrict __addr_len);
 
+#ifdef __USE_GNU
+/* Variant of the accept function which takes additional parameters.  The
+   MASK parameter allows to change the thread signal mask for the duration
+   of the call.  The FLAGS parameter allows to pass additional flags.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int paccept (int __fd, __SOCKADDR_ARG __addr,
+		    socklen_t *__restrict __addr_len,
+		    __const __sigset_t *__restrict __ss, int __flags);
+#endif
+
 /* Shut down all or part of the connection open on socket FD.
    HOW determines what to shut down:
      SHUT_RD   = No more receptions;