From: Jonas Bonn Subject: [RFC PATCH 16/38] Add dup3 syscall Date: Tue, 6 Sep 2011 10:30:40 +0200 Signed-off-by: Jonas Bonn --- 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 +1,17 @@ +/* vi: set sw=4 ts=4: */ +/* + * dup3() for uClibc + * + * Copyright (C) 2000-2006 Erik Andersen + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include +#include + + +#ifdef __NR_dup3 +_syscall3(int, dup3, int, oldfd, int, newfd, int, flags) +libc_hidden_def(dup3) +#endif -- 1.7.5.4 _______________________________________________ uClibc mailing list uClibc@uclibc.org http://lists.busybox.net/mailman/listinfo/uclibc