mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 09:30:06 +00:00
bdcebfc4c7
* 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.
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/* 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 <fcntl.h>
|
|
#include <unistd.h>
|
|
|
|
|
|
/* Duplicate FD to FD2, closing the old FD2 and making FD2 be
|
|
open the same file as FD is which setting flags according to
|
|
FLAGS. Return FD2 or -1. */
|
|
int
|
|
dup3 (fd, fd2, flags)
|
|
int fd;
|
|
int fd2;
|
|
int flags;
|
|
{
|
|
if (fd < 0 || fd2 < 0)
|
|
{
|
|
__set_errno (EBADF);
|
|
return -1;
|
|
}
|
|
|
|
if (fd == fd2)
|
|
/* No way to check that they are valid. */
|
|
return fd2;
|
|
|
|
__set_errno (ENOSYS);
|
|
return -1;
|
|
}
|
|
stub_warning (dup3)
|
|
|
|
#include <stub-tag.h>
|