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- 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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- uClibc@uclibc.org
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|
