From 47b94bafa5045532f239ea57a3610873b1a71368 Mon Sep 17 00:00:00 2001 From: patacongo Date: Sat, 26 Jan 2013 23:49:02 +0000 Subject: Move socket data from TCB to task group structure. git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5570 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/sched/sched_setuptaskfiles.c | 248 ------------------------------------- 1 file changed, 248 deletions(-) delete mode 100644 nuttx/sched/sched_setuptaskfiles.c (limited to 'nuttx/sched/sched_setuptaskfiles.c') diff --git a/nuttx/sched/sched_setuptaskfiles.c b/nuttx/sched/sched_setuptaskfiles.c deleted file mode 100644 index 9e44147e9..000000000 --- a/nuttx/sched/sched_setuptaskfiles.c +++ /dev/null @@ -1,248 +0,0 @@ -/**************************************************************************** - * sched/sched_setuptaskfiles.c - * - * Copyright (C) 2007-2008, 2010, 2012-2013 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt - * - * 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 - -#include -#include - -#include -#include - -#include "os_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. - */ - - if (rtcb->sockets) - { - /* Get pointers to the parent and child task socket lists */ - - parent = rtcb->sockets->sl_sockets; - child = tcb->sockets->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: sched_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 sched_setuptaskfiles(FAR _TCB *tcb) -{ -#if CONFIG_NFILE_DESCRIPTORS > 0 - FAR struct task_group_s *group = tcb->group; - - DEBUGASSERT(group); - - /* Initialize file descriptors for the TCB */ - - files_initlist(&group->tg_filelist); -#endif - - /* Allocate socket descriptors for the TCB */ - -#if CONFIG_NSOCKET_DESCRIPTORS > 0 - tcb->sockets = net_alloclist(); - if (!tcb->sockets) - { - return -ENOMEM; - } -#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 sched_setupstreams(tcb); -#else - return OK; -#endif -} - -#endif /* CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0*/ -- cgit v1.2.3