diff options
Diffstat (limited to 'io')
| -rw-r--r-- | io/Makefile | 4 | ||||
| -rw-r--r-- | io/Versions | 3 | ||||
| -rw-r--r-- | io/dup3.c | 48 | ||||
| -rw-r--r-- | io/pipe2.c | 44 |
4 files changed, 97 insertions, 2 deletions
diff --git a/io/Makefile b/io/Makefile index 1acda4c8b6..caaa51b351 100644 --- a/io/Makefile +++ b/io/Makefile @@ -1,4 +1,4 @@ -# Copyright (C) 1992-2002,2003,2005,2006, 2007 Free Software Foundation, Inc. +# Copyright (C) 1992-2003,2005,2006,2007,2008 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or @@ -40,7 +40,7 @@ routines := \ open open64 openat openat64 close \ read write lseek lseek64 access euidaccess faccessat \ fcntl flock lockf lockf64 \ - dup dup2 pipe \ + dup dup2 dup3 pipe pipe2 \ creat creat64 \ chdir fchdir \ getcwd getwd getdirname \ diff --git a/io/Versions b/io/Versions index d603668f4f..6c0a23b465 100644 --- a/io/Versions +++ b/io/Versions @@ -119,4 +119,7 @@ libc { GLIBC_2.7 { __open_2; __open64_2; __openat_2; __openat64_2; } + GLIBC_2.9 { + dup3; pipe2; + } } diff --git a/io/dup3.c b/io/dup3.c new file mode 100644 index 0000000000..162ab4e68b --- /dev/null +++ b/io/dup3.c @@ -0,0 +1,48 @@ +/* Copyright (C) 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> + + +/* Duplicate FD to FD2, closing the old FD2 and making FD2 be + open the same file as FD is which setting flags according to + FLAGS. Return FD2 or -1. */ +int +dup3 (fd, fd2, flags) + int fd; + int fd2; + int flags; +{ + if (fd < 0 || fd2 < 0) + { + __set_errno (EBADF); + return -1; + } + + if (fd == fd2) + /* No way to check that they are valid. */ + return fd2; + + __set_errno (ENOSYS); + return -1; +} +stub_warning (dup3) + +#include <stub-tag.h> diff --git a/io/pipe2.c b/io/pipe2.c new file mode 100644 index 0000000000..aa54d17ae6 --- /dev/null +++ b/io/pipe2.c @@ -0,0 +1,44 @@ +/* Copyright (C) 1991, 1995, 1996, 2002, 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> +#include <stddef.h> + +/* Create a one-way communication channel (__pipe). If successful, + two file descriptors are stored in PIPEDES; bytes written on + PIPEDES[1] can be read from PIPEDES[0]. Apply FLAGS to the new + file descriptors. Returns 0 if successful, -1 if not. */ +int +__pipe2 (pipedes, flags) + int pipedes[2]; + int flags; +{ + if (pipedes == NULL) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} +weak_alias (__pipe2, pipe2) +stub_warning (pipe2) + +#include <stub-tag.h> |