diff options
Diffstat (limited to 'nuttx/fs/fs_dup2.c')
-rw-r--r-- | nuttx/fs/fs_dup2.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/nuttx/fs/fs_dup2.c b/nuttx/fs/fs_dup2.c deleted file mode 100644 index 45ff2bb73..000000000 --- a/nuttx/fs/fs_dup2.c +++ /dev/null @@ -1,109 +0,0 @@ -/**************************************************************************** - * fs/fs_dup2.c - * - * Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <unistd.h> -#include <sched.h> -#include <errno.h> - -#include "fs_internal.h" - -/* This logic in this applies only when both socket and file descriptors are - * in that case, this function descriminates which type of dup2 is being - * performed. - */ - -#if CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0 - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Global Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: dup2 - * - * Description: - * Clone a file descriptor or socket descriptor to a specific descriptor - * number - * - ****************************************************************************/ - -int dup2(int fildes1, int fildes2) -{ - /* Check the range of the descriptor to see if we got a file or a socket - * descriptor. - */ - - if ((unsigned int)fildes1 >= CONFIG_NFILE_DESCRIPTORS) - { - /* Not a valid file descriptor. Did we get a valid socket descriptor? */ - - if ((unsigned int)fildes1 < (CONFIG_NFILE_DESCRIPTORS+CONFIG_NSOCKET_DESCRIPTORS)) - { - /* Yes.. dup the socket descriptor */ - - return net_dup2(fildes1, fildes2); - } - else - { - /* No.. then it is a bad descriptor number */ - - set_errno(EBADF); - return ERROR; - } - } - else - { - /* Its a valid file descriptor.. dup the file descriptor */ - - return file_dup2(fildes1, fildes2); - } -} - -#endif /* CONFIG_NFILE_DESCRIPTORS > 0 ... */ - |