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-rw-r--r--nuttx/sched/group_setuptaskfiles.c246
1 files changed, 0 insertions, 246 deletions
diff --git a/nuttx/sched/group_setuptaskfiles.c b/nuttx/sched/group_setuptaskfiles.c
deleted file mode 100644
index e2e7d4634..000000000
--- a/nuttx/sched/group_setuptaskfiles.c
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@@ -1,246 +0,0 @@
-/****************************************************************************
- * sched/group_setuptaskfiles.c
- *
- * Copyright (C) 2007-2008, 2010, 2012-2013 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 <sched.h>
-#include <errno.h>
-
-#include <nuttx/fs/fs.h>
-#include <nuttx/net/net.h>
-
-#include "os_internal.h"
-#include "group_internal.h"
-
-#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-/* Determine how many file descriptors to clone. If CONFIG_FDCLONE_DISABLE
- * is set, no file descriptors will be cloned. If CONFIG_FDCLONE_STDIO is
- * set, only the first three descriptors (stdin, stdout, and stderr) will
- * be cloned. Otherwise all file descriptors will be cloned.
- */
-
-#if defined(CONFIG_FDCLONE_STDIO) && CONFIG_NFILE_DESCRIPTORS > 3
-# define NFDS_TOCLONE 3
-#else
-# define NFDS_TOCLONE CONFIG_NFILE_DESCRIPTORS
-#endif
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: sched_dupfiles
- *
- * Description:
- * Duplicate parent task's file descriptors.
- *
- * Input Parameters:
- * tcb - tcb of the new task.
- *
- * Return Value:
- * None
- *
- ****************************************************************************/
-
-#if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_FDCLONE_DISABLE)
-static inline void sched_dupfiles(FAR _TCB *tcb)
-{
- /* The parent task is the one at the head of the ready-to-run list */
-
- FAR _TCB *rtcb = (FAR _TCB*)g_readytorun.head;
- FAR struct file *parent;
- FAR struct file *child;
- int i;
-
- DEBUGASSERT(tcb && tcb->group && rtcb->group);
-
- /* Duplicate the file descriptors. This will be either all of the
- * file descriptors or just the first three (stdin, stdout, and stderr)
- * if CONFIG_FDCLONE_STDIO is defined. NFSDS_TOCLONE is set
- * accordingly above.
- */
-
- /* Get pointers to the parent and child task file lists */
-
- parent = rtcb->group->tg_filelist.fl_files;
- child = tcb->group->tg_filelist.fl_files;
-
- /* Check each file in the parent file list */
-
- for (i = 0; i < NFDS_TOCLONE; i++)
- {
- /* Check if this file is opened by the parent. We can tell if
- * if the file is open because it contain a reference to a non-NULL
- * i-node structure.
- */
-
- if (parent[i].f_inode)
- {
- /* Yes... duplicate it for the child */
-
- (void)files_dup(&parent[i], &child[i]);
- }
- }
-}
-#else /* CONFIG_NFILE_DESCRIPTORS && !CONFIG_FDCLONE_DISABLE */
-# define sched_dupfiles(tcb)
-#endif /* CONFIG_NFILE_DESCRIPTORS && !CONFIG_FDCLONE_DISABLE */
-
-/****************************************************************************
- * Name: sched_dupsockets
- *
- * Description:
- * Duplicate the parent task's socket descriptors.
- *
- * Input Parameters:
- * tcb - tcb of the new task.
- *
- * Return Value:
- * None
- *
- ****************************************************************************/
-
-#if CONFIG_NSOCKET_DESCRIPTORS > 0 && !defined(CONFIG_SDCLONE_DISABLE)
-static inline void sched_dupsockets(FAR _TCB *tcb)
-{
- /* The parent task is the one at the head of the ready-to-run list */
-
- FAR _TCB *rtcb = (FAR _TCB*)g_readytorun.head;
- FAR struct socket *parent;
- FAR struct socket *child;
- int i;
-
- /* Duplicate the socket descriptors of all sockets opened by the parent
- * task.
- */
-
- DEBUGASSERT(tcb && tcb->group && rtcb->group);
-
- /* Get pointers to the parent and child task socket lists */
-
- parent = rtcb->group->tg_socketlist.sl_sockets;
- child = tcb->group->tg_socketlist.sl_sockets;
-
- /* Check each socket in the parent socket list */
-
- for (i = 0; i < CONFIG_NSOCKET_DESCRIPTORS; i++)
- {
- /* Check if this parent socket is allocated. We can tell if the
- * socket is allocated because it will have a positive, non-zero
- * reference count.
- */
-
- if (parent[i].s_crefs > 0)
- {
- /* Yes... duplicate it for the child */
-
- (void)net_clone(&parent[i], &child[i]);
- }
- }
-}
-#else /* CONFIG_NSOCKET_DESCRIPTORS && !CONFIG_SDCLONE_DISABLE */
-# define sched_dupsockets(tcb)
-#endif /* CONFIG_NSOCKET_DESCRIPTORS && !CONFIG_SDCLONE_DISABLE */
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: group_setuptaskfiles
- *
- * Description:
- * Configure a newly allocated TCB so that it will inherit
- * file descriptors and streams from the parent task.
- *
- * Parameters:
- * tcb - tcb of the new task.
- *
- * Return Value:
- * Zero (OK) is returned on success; A negated errno value is returned on
- * failure.
- *
- * Assumptions:
- *
- ****************************************************************************/
-
-int group_setuptaskfiles(FAR _TCB *tcb)
-{
-#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0
- FAR struct task_group_s *group = tcb->group;
-
- DEBUGASSERT(group);
-#endif
-
-#if CONFIG_NFILE_DESCRIPTORS > 0
- /* Initialize file descriptors for the TCB */
-
- files_initlist(&group->tg_filelist);
-#endif
-
-#if CONFIG_NSOCKET_DESCRIPTORS > 0
- /* Allocate socket descriptors for the TCB */
-
- net_initlist(&group->tg_socketlist);
-#endif
-
- /* Duplicate the parent task's file descriptors */
-
- sched_dupfiles(tcb);
-
- /* Duplicate the parent task's socket descriptors */
-
- sched_dupsockets(tcb);
-
- /* Allocate file/socket streams for the new TCB */
-
-#if CONFIG_NFILE_STREAMS > 0
- return group_setupstreams(tcb);
-#else
- return OK;
-#endif
-}
-
-#endif /* CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0*/
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