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-rw-r--r--nuttx/sched/task_start.c123
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diff --git a/nuttx/sched/task_start.c b/nuttx/sched/task_start.c
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-/****************************************************************************
- * sched/task_start.c
- *
- * Copyright (C) 2007-2010 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 <stdlib.h>
-#include <sched.h>
-#include <debug.h>
-
-#include "os_internal.h"
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Type Declarations
- ****************************************************************************/
-
-/****************************************************************************
- * Global Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Function Prototypes
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: task_start
- *
- * Description:
- * This function is the low level entry point into the main thread of
- * execution of a task. It receives initial control when the task is
- * started and calls main entry point of the newly started task.
- *
- * Inputs:
- * None
- *
- * Return:
- * None
- *
- ****************************************************************************/
-
-void task_start(void)
-{
- FAR _TCB *tcb = (FAR _TCB*)g_readytorun.head;
- int argc;
-
- /* Execute the start hook if one has been registered */
-
-#ifdef CONFIG_SCHED_STARTHOOK
- if (tcb->starthook)
- {
- tcb->starthook(tcb->starthookarg);
- }
-#endif
-
- /* Count how many non-null arguments we are passing */
-
- for (argc = 1; argc <= CONFIG_MAX_TASK_ARGS; argc++)
- {
- /* The first non-null argument terminates the list */
-
- if (!tcb->argv[argc])
- {
- break;
- }
- }
-
- /* Call the 'main' entry point passing argc and argv. If/when
- * the task returns.
- */
-
- exit(tcb->entry.main(argc, tcb->argv));
-}