source: rtems-libbsd/rtemsbsd/src/rtems-bsd-newproc.c @ 8420b94

4.115-freebsd-12freebsd-9.3
Last change on this file since 8420b94 was 8420b94, checked in by Jennifer Averett <jennifer.averett@…>, on May 8, 2012 at 2:14:42 PM

Modified copyright on rtems-bsd-xxx files to be consistant with FreeBSD copyright.

  • Property mode set to 100644
File size: 3.0 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup rtems_bsd_rtems
5 *
6 * @brief TODO.
7 */
8
9/*
10 * COPYRIGHT (c) 2012.
11 * On-Line Applications Research Corporation (OAR).
12 * All rights reserved.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 *    notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 *    notice, this list of conditions and the following disclaimer in the
21 *    documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include <string.h>
37#include <stdio.h>
38#include <rtems.h>
39
40
41static uint32_t   networkDaemonPriority = 100; /* XXX */
42
43/*
44 * Structure passed to task-start stub
45 */
46struct newtask {
47  void (*entry)(void *);
48  void *arg;
49};
50
51/*
52 * Task-start stub
53 */
54static void
55taskEntry (rtems_task_argument arg)
56{
57  struct newtask t;
58
59  /*
60   * Pick up task information and free
61   * the memory allocated to pass the
62   * information to this task.
63   */
64  t = *(struct newtask *)arg;
65  free ((struct newtask *)arg);
66
67  /*
68   * XXX  If we need a semaphore it should be added here
69   */
70
71  /*
72   * Enter the task
73   */
74  (*t.entry)(t.arg);
75  rtems_panic ("Network task returned!\n");
76}
77
78/*
79 * Start a network task
80 */
81rtems_id
82rtems_bsdnet_newproc (char *name, int stacksize, void(*entry)(void *), void *arg)
83{
84  struct newtask *t;
85  char nm[4];
86  rtems_id tid;
87  rtems_status_code sc;
88
89  strncpy (nm, name, 4);
90  sc = rtems_task_create (rtems_build_name(nm[0], nm[1], nm[2], nm[3]),
91    networkDaemonPriority,
92    stacksize,
93    RTEMS_PREEMPT|RTEMS_NO_TIMESLICE|RTEMS_NO_ASR|RTEMS_INTERRUPT_LEVEL(0),
94    RTEMS_NO_FLOATING_POINT|RTEMS_LOCAL,
95    &tid
96  );
97  if (sc != RTEMS_SUCCESSFUL)
98    rtems_panic ("Can't create network daemon `%s': `%s'\n", name, rtems_status_text (sc));
99
100  /*
101   * Set up task arguments
102   */
103  t = malloc (sizeof *t);
104  t->entry = entry;
105  t->arg = arg;
106
107  /*
108   * Start the task
109   */
110  sc = rtems_task_start (tid, taskEntry, (rtems_task_argument)t);
111  if (sc != RTEMS_SUCCESSFUL)
112    rtems_panic ("Can't start network daemon `%s': `%s'\n", name, rtems_status_text (sc));
113
114  /*
115   * Let our caller know the i.d. of the new task
116   */
117  return tid;
118}
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