OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [ref/] [posix-message-passing.html] - Blame information for rev 588

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 28 unneback
<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
2
<!-- This material may be distributed only subject to the terms      -->
3
<!-- and conditions set forth in the Open Publication License, v1.0  -->
4
<!-- or later (the latest version is presently available at          -->
5
<!-- http://www.opencontent.org/openpub/).                           -->
6
<!-- Distribution of the work or derivative of the work in any       -->
7
<!-- standard (paper) book form is prohibited unless prior           -->
8
<!-- permission is obtained from the copyright holder.               -->
9
<HTML
10
><HEAD
11
><TITLE
12
>Message Passing [POSIX Section 15]</TITLE
13
><meta name="MSSmartTagsPreventParsing" content="TRUE">
14
<META
15
NAME="GENERATOR"
16
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
17
"><LINK
18
REL="HOME"
19
TITLE="eCos Reference Manual"
20
HREF="ecos-ref.html"><LINK
21
REL="UP"
22
TITLE="POSIX Standard Support"
23
HREF="posix-standard-support.html"><LINK
24
REL="PREVIOUS"
25
TITLE="Clocks and Timers [POSIX Section 14]"
26
HREF="posix-clocks-and-timers.html"><LINK
27
REL="NEXT"
28
TITLE="Thread Management [POSIX Section 16]"
29
HREF="posix-thread-management.html"></HEAD
30
><BODY
31
CLASS="SECT1"
32
BGCOLOR="#FFFFFF"
33
TEXT="#000000"
34
LINK="#0000FF"
35
VLINK="#840084"
36
ALINK="#0000FF"
37
><DIV
38
CLASS="NAVHEADER"
39
><TABLE
40
SUMMARY="Header navigation table"
41
WIDTH="100%"
42
BORDER="0"
43
CELLPADDING="0"
44
CELLSPACING="0"
45
><TR
46
><TH
47
COLSPAN="3"
48
ALIGN="center"
49
>eCos Reference Manual</TH
50
></TR
51
><TR
52
><TD
53
WIDTH="10%"
54
ALIGN="left"
55
VALIGN="bottom"
56
><A
57
HREF="posix-clocks-and-timers.html"
58
ACCESSKEY="P"
59
>Prev</A
60
></TD
61
><TD
62
WIDTH="80%"
63
ALIGN="center"
64
VALIGN="bottom"
65
>Chapter 31. POSIX Standard Support</TD
66
><TD
67
WIDTH="10%"
68
ALIGN="right"
69
VALIGN="bottom"
70
><A
71
HREF="posix-thread-management.html"
72
ACCESSKEY="N"
73
>Next</A
74
></TD
75
></TR
76
></TABLE
77
><HR
78
ALIGN="LEFT"
79
WIDTH="100%"></DIV
80
><DIV
81
CLASS="SECT1"
82
><H1
83
CLASS="SECT1"
84
><A
85
NAME="POSIX-MESSAGE-PASSING">Message Passing &#0091;POSIX Section 15&#0093;</H1
86
><DIV
87
CLASS="SECT2"
88
><H2
89
CLASS="SECT2"
90
><A
91
NAME="AEN13246">Functions Implemented</H2
92
><TABLE
93
BORDER="5"
94
BGCOLOR="#E0E0F0"
95
WIDTH="70%"
96
><TR
97
><TD
98
><PRE
99
CLASS="SCREEN"
100
>mqd&#0095;t mq&#0095;open( const char &#0042;name, int  oflag, ... );
101
int mq&#0095;close( mqd&#0095;t  mqdes );
102
int mq&#0095;unlink( const char &#0042;name );
103
int mq&#0095;send( mqd&#0095;t mqdes, const char &#0042;msg&#0095;ptr,
104
             size&#0095;t msg&#0095;len, unsigned int msg&#0095;prio );
105
ssize&#0095;t mq&#0095;receive( mqd&#0095;t mqdes, char &#0042;msg&#0095;ptr,
106
                    size&#0095;t msg&#0095;len, unsigned int &#0042;msg&#0095;prio );
107
int mq&#0095;setattr( mqd&#0095;t mqdes, const struct mq&#0095;attr &#0042;mqstat,
108
                struct mq&#0095;attr &#0042;omqstat );
109
int mq&#0095;getattr( mqd&#0095;t mqdes, struct mq&#0095;attr &#0042;mqstat );
110
int mq&#0095;notify( mqd&#0095;t mqdes, const struct sigevent &#0042;notification );</PRE
111
></TD
112
></TR
113
></TABLE
114
><P
115
>From POSIX 1003.1d draft: </P
116
><TABLE
117
BORDER="5"
118
BGCOLOR="#E0E0F0"
119
WIDTH="70%"
120
><TR
121
><TD
122
><PRE
123
CLASS="SCREEN"
124
>int mq&#0095;send( mqd&#0095;t mqdes, const char &#0042;msg&#0095;ptr,
125
             size&#0095;t msg&#0095;len, unsigned int msg&#0095;prio,
126
             const struct timespec *abs_timeout );
127
ssize&#0095;t mq&#0095;receive( mqd&#0095;t mqdes, char &#0042;msg&#0095;ptr,
128
                    size&#0095;t msg&#0095;len, unsigned int &#0042;msg&#0095;prio,
129
             const struct timespec *abs_timeout );</PRE
130
></TD
131
></TR
132
></TABLE
133
></DIV
134
><DIV
135
CLASS="SECT2"
136
><H2
137
CLASS="SECT2"
138
><A
139
NAME="AEN13251">Functions Omitted</H2
140
><P
141
>&lt;none&gt;</P
142
></DIV
143
><DIV
144
CLASS="SECT2"
145
><H2
146
CLASS="SECT2"
147
><A
148
NAME="AEN13254">Notes</H2
149
><P
150
></P
151
><UL
152
><LI
153
><P
154
>    The presence of message queues is controlled by the
155
    CYGPKG&#0095;POSIX&#0095;MQUEUES option.  Setting this will
156
    cause &#0091;&#0095;POSIX&#0095;MESSAGE&#0095;PASSING&#0093; to
157
    be defined and the message queue API to be made available.
158
    </P
159
></LI
160
><LI
161
><P
162
>    Message queues are not currently filesystem objects. They live in
163
    their own name and descriptor spaces.
164
    </P
165
></LI
166
></UL
167
></DIV
168
></DIV
169
><DIV
170
CLASS="NAVFOOTER"
171
><HR
172
ALIGN="LEFT"
173
WIDTH="100%"><TABLE
174
SUMMARY="Footer navigation table"
175
WIDTH="100%"
176
BORDER="0"
177
CELLPADDING="0"
178
CELLSPACING="0"
179
><TR
180
><TD
181
WIDTH="33%"
182
ALIGN="left"
183
VALIGN="top"
184
><A
185
HREF="posix-clocks-and-timers.html"
186
ACCESSKEY="P"
187
>Prev</A
188
></TD
189
><TD
190
WIDTH="34%"
191
ALIGN="center"
192
VALIGN="top"
193
><A
194
HREF="ecos-ref.html"
195
ACCESSKEY="H"
196
>Home</A
197
></TD
198
><TD
199
WIDTH="33%"
200
ALIGN="right"
201
VALIGN="top"
202
><A
203
HREF="posix-thread-management.html"
204
ACCESSKEY="N"
205
>Next</A
206
></TD
207
></TR
208
><TR
209
><TD
210
WIDTH="33%"
211
ALIGN="left"
212
VALIGN="top"
213
>Clocks and Timers &#0091;POSIX Section 14&#0093;</TD
214
><TD
215
WIDTH="34%"
216
ALIGN="center"
217
VALIGN="top"
218
><A
219
HREF="posix-standard-support.html"
220
ACCESSKEY="U"
221
>Up</A
222
></TD
223
><TD
224
WIDTH="33%"
225
ALIGN="right"
226
VALIGN="top"
227
>Thread Management &#0091;POSIX Section 16&#0093;</TD
228
></TR
229
></TABLE
230
></DIV
231
></BODY
232
></HTML
233
>

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.