diff options
Diffstat (limited to 'nuttx/sched/task_init.c')
| -rw-r--r-- | nuttx/sched/task_init.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/nuttx/sched/task_init.c b/nuttx/sched/task_init.c deleted file mode 100644 index 78f35bc2a..000000000 --- a/nuttx/sched/task_init.c +++ /dev/null @@ -1,189 +0,0 @@ -/**************************************************************************** - * sched/task_init.c - * - * Copyright (C) 2007, 2009, 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 <sys/types.h> -#include <stdint.h> -#include <sched.h> -#include <errno.h> - -#include <nuttx/arch.h> - -#include "os_internal.h" -#include "group_internal.h" - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Global Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: task_init - * - * Description: - * This function initializes a Task Control Block (TCB) in preparation for - * starting a new thread. It performs a subset of the functionality of - * task_create() - * - * Unlike task_create(): - * 1. Allocate the TCB. The pre-allocated TCB is passed in the arguments. - * 2. Allocate the stack. The pre-allocated stack is passed in the arguments. - * 3. Activate the task. This must be done by calling task_activate(). - * - * Input Parameters: - * tcb - Address of the new task's TCB - * name - Name of the new task (not used) - * priority - Priority of the new task - * stack - Start of the pre-allocated stack - * stack_size - Size (in bytes) of the stack allocated - * entry - Application start point of the new task - * arg - A pointer to an array of input parameters. Up to - * CONFIG_MAX_TASK_ARG parameters may be provided. If fewer - * than CONFIG_MAX_TASK_ARG parameters are passed, the list - * should be terminated with a NULL argv[] value. If no - * parameters are required, argv may be NULL. - * - * Return Value: - * OK on success; ERROR on failure with errno set appropriately. (See - * task_schedsetup() for possible failure conditions). On failure, the - * caller is responsible for freeing the stack memory and for calling - * sched_releasetcb() to free the TCB (which could be in most any state). - * - ****************************************************************************/ - -#ifndef CONFIG_CUSTOM_STACK -int task_init(FAR _TCB *tcb, const char *name, int priority, - FAR uint32_t *stack, uint32_t stack_size, - main_t entry, const char *argv[]) -#else -int task_init(FAR _TCB *tcb, const char *name, int priority, - main_t entry, const char *argv[]) -#endif -{ - int errcode; - int ret; - - /* Create a new task group */ - -#ifdef HAVE_TASK_GROUP - ret = group_allocate(tcb); - if (ret < 0) - { - errcode = -ret; - goto errout; - } -#endif - - /* Associate file descriptors with the new task */ - -#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0 - ret = group_setuptaskfiles(tcb); - if (ret < 0) - { - errcode = -ret; - goto errout_with_group; - } -#endif - - /* Configure the user provided stack region */ - -#ifndef CONFIG_CUSTOM_STACK - up_use_stack(tcb, stack, stack_size); -#endif - - /* Initialize the task control block */ - - ret = task_schedsetup(tcb, priority, task_start, entry, - TCB_FLAG_TTYPE_TASK); - if (ret < OK) - { - errcode = -ret; - goto errout_with_group; - } - - /* Setup to pass parameters to the new task */ - - (void)task_argsetup(tcb, name, argv); - - /* Now we have enough in place that we can join the group */ - -#ifdef HAVE_TASK_GROUP - ret = group_initialize(tcb); - if (ret < 0) - { - errcode = -ret; - goto errout_with_group; - } -#endif - return OK; - -errout_with_group: -#ifdef HAVE_TASK_GROUP - group_leave(tcb); - -errout: -#endif - set_errno(errcode); - return ERROR; -} - |