tree cf1ad668b0a10ef6118099959a4a938bc5205bde
parent 83b7c1b245557bfd86ad5e00f64f1120c443d2a8
author H. Peter Anvin <hpa@zytor.com> 1337638738 -0700
committer H. Peter Anvin <hpa@zytor.com> 1337638738 -0700

[klibc] Add dup3() system call

The dup3() system call allows a file descriptor to be duped with the
O_CLOEXEC flag set.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>