glibc/sysdeps/unix/sysv/linux/generic/pipe.c

34 lines
1.2 KiB
C

/* Copyright (C) 2011-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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, see
<http://www.gnu.org/licenses/>. */
#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].
Returns 0 if successful, -1 if not. */
int
__pipe (int __pipedes[2])
{
return INLINE_SYSCALL (pipe2, 2, __pipedes, 0);
}
libc_hidden_def (__pipe)
weak_alias (__pipe, pipe)