glibc/io/pipe2.c
Ulrich Drepper d6e0c2a67d * sysdeps/unix/sysv/linux/syscalls.list: Add __pipe2 alias.
* io/pipe2.c: Likewise.
	* sysdeps/unix/sysv/linux/kernel-features.h: Define __ASSUME_PIPE2
	instead of __ASSUME_PACCEPT.
	* include/unistd.h: Declare __have_pipe2.
	* libio/iopopen.c: Implement "e" flag.
	* libio/Makefile (tests): Add tst-popen1.
	* libio/tst-popen1.c: New file.
2008-07-27 18:26:13 +00:00

45 lines
1.4 KiB
C

/* Copyright (C) 1991, 1995, 1996, 2002, 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 <unistd.h>
#include <stddef.h>
/* Create a one-way communication channel (__pipe). If successful,
two file descriptors are stored in PIPEDES; bytes written on
PIPEDES[1] can be read from PIPEDES[0]. Apply FLAGS to the new
file descriptors. Returns 0 if successful, -1 if not. */
int
__pipe2 (pipedes, flags)
int pipedes[2];
int flags;
{
if (pipedes == NULL)
{
__set_errno (EINVAL);
return -1;
}
__set_errno (ENOSYS);
return -1;
}
weak_alias (__pipe2, pipe2)
stub_warning (pipe2)
#include <stub-tag.h>