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[glibc.git] / ports / sysdeps / unix / sysv / linux / generic / pipe.c
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1 /* Copyright (C) 2011-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <http://www.gnu.org/licenses/>. */
19 #include <errno.h>
20 #include <unistd.h>
21 #include <stddef.h>
23 /* Create a one-way communication channel (__pipe).
24 If successful, two file descriptors are stored in PIPEDES;
25 bytes written on PIPEDES[1] can be read from PIPEDES[0].
26 Returns 0 if successful, -1 if not. */
27 int
28 __pipe (int __pipedes[2])
30 return INLINE_SYSCALL (pipe2, 2, __pipedes, 0);
32 libc_hidden_def (__pipe)
33 weak_alias (__pipe, pipe)