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* socket/sys/socket.h: Declare accept4.

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* socket/accept4.c: New file.
	* sysdeps/unix/sysv/linux/accept4.c: New file.
	* sysdeps/unix/sysv/linux/i386/accept4.S: New file.
	* socket/Makefile (routines): Add accept4.
	* socket/Versions: Export accept4 with version GLIBC_2.10.
	* socket/paccept.c: Removed.
	* sysdeps/unix/sysv/linux/paccept.c: Removed.
	* sysdeps/unix/sysv/linux/i386/paccept.S: Removed.
	* Versions.def: Define GLIBC_2.10 for libc.
	* sysdeps/unix/sysv/linux/kernel-features.h: Define __ASSUME_ACCEPT4.

	* nscd/connections.c: Use accept4.

	* sysdeps/unix/sysv/linux/i386/socket.S: Fix comment.
This commit is contained in:
Ulrich Drepper
2008-12-03 04:23:18 +00:00
parent 9744268c10
commit f93fc0b75a
11 changed files with 198 additions and 97 deletions
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54
sysdeps/unix/sysv/linux/accept4.c Normal file
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/* Copyright (C) 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2008.
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 <signal.h>
#include <sys/socket.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#define __NR_accept4 288
#ifdef __NR_accept4
int
accept4 (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len, int flags)
{
if (SINGLE_THREAD_P)
return INLINE_SYSCALL (accept4, 4, fd, addr.__sockaddr__, addr_len, flags);
int oldtype = LIBC_CANCEL_ASYNC ();
int result = INLINE_SYSCALL (accept4, 4, fd, addr.__sockaddr__, addr_len,
flags);
LIBC_CANCEL_RESET (oldtype);
return result;
}
#else
int
accept4 (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len, int flags)
{
__set_errno (ENOSYS);
return -1;
}
stub_warning (accept4)
#endif