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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../uclibc/uClibc-0.9.33.2-dup3.patch
# Copyright (C) 2012 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# --- SDE-COPYRIGHT-NOTE-END ---
From: Jonas Bonn <jonas@southpole.se>
Subject: [RFC PATCH 16/38] Add dup3 syscall
Date: Tue, 6 Sep 2011 10:30:40 +0200
Signed-off-by: Jonas Bonn <jonas@southpole.se>
---
include/unistd.h | 4 ++++
libc/sysdeps/linux/common/dup3.c | 15 +++++++++++++++
2 files changed, 19 insertions(+), 0 deletions(-)
create mode 100644 libc/sysdeps/linux/common/dup3.c
diff --git a/include/unistd.h b/include/unistd.h
index 9568790..7c2fa4a 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -513,6 +513,10 @@ extern int dup (int __fd) __THROW __wur;
extern int dup2 (int __fd, int __fd2) __THROW;
libc_hidden_proto(dup2)
+/* Duplicate FD to FD2, closing FD2 and making it open on the same file. */
+extern int dup3 (int __fd, int __fd2, int __flags) __THROW;
+libc_hidden_proto(dup3)
+
/* NULL-terminated array of "NAME=VALUE" environment variables. */
extern char **__environ;
#ifdef __USE_GNU
diff --git a/libc/sysdeps/linux/common/dup3.c b/libc/sysdeps/linux/common/dup3.c
new file mode 100644
index 0000000..5fdab2e
--- /dev/null
+++ b/libc/sysdeps/linux/common/dup3.c
@@ -0,0 +1,15 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * dup3() for uClibc
+ *
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <unistd.h>
+
+
+_syscall3(int, dup3, int, oldfd, int, newfd, int, flags)
+libc_hidden_def(dup3)
--
1.7.5.4
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