1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/**
* @file
*
* @ingroup rtems_bsd_rtems
*
* @brief TODO.
*/
/*
* COPYRIGHT (c) 2012.
* On-Line Applications Research Corporation (OAR).
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
#include <string.h>
#include <stdio.h>
#include <rtems.h>
static uint32_t networkDaemonPriority = 100; /* XXX */
/*
* Structure passed to task-start stub
*/
struct newtask {
void (*entry)(void *);
void *arg;
};
/*
* Task-start stub
*/
static void
taskEntry (rtems_task_argument arg)
{
struct newtask t;
/*
* Pick up task information and free
* the memory allocated to pass the
* information to this task.
*/
t = *(struct newtask *)arg;
free ((struct newtask *)arg);
/*
* XXX If we need a semaphore it should be added here
*/
/*
* Enter the task
*/
(*t.entry)(t.arg);
rtems_panic ("Network task returned!\n");
}
/*
* Start a network task
*/
rtems_id
rtems_bsdnet_newproc (char *name, int stacksize, void(*entry)(void *), void *arg)
{
struct newtask *t;
char nm[4];
rtems_id tid;
rtems_status_code sc;
strncpy (nm, name, 4);
sc = rtems_task_create (rtems_build_name(nm[0], nm[1], nm[2], nm[3]),
networkDaemonPriority,
stacksize,
RTEMS_PREEMPT|RTEMS_NO_TIMESLICE|RTEMS_NO_ASR|RTEMS_INTERRUPT_LEVEL(0),
RTEMS_NO_FLOATING_POINT|RTEMS_LOCAL,
&tid
);
if (sc != RTEMS_SUCCESSFUL)
rtems_panic ("Can't create network daemon `%s': `%s'\n", name, rtems_status_text (sc));
/*
* Set up task arguments
*/
t = malloc (sizeof *t);
t->entry = entry;
t->arg = arg;
/*
* Start the task
*/
sc = rtems_task_start (tid, taskEntry, (rtems_task_argument)t);
if (sc != RTEMS_SUCCESSFUL)
rtems_panic ("Can't start network daemon `%s': `%s'\n", name, rtems_status_text (sc));
/*
* Let our caller know the i.d. of the new task
*/
return tid;
}
|
