root / prex-0.9.0 / usr / test / ipc_mt / ipc_mt.c @ 03e9c04a
History | View | Annotate | Download (3.04 KB)
1 | 03e9c04a | Brad Neuman | /*-
|
---|---|---|---|
2 | * Copyright (c) 2005, Kohsuke Ohtani
|
||
3 | * All rights reserved.
|
||
4 | *
|
||
5 | * Redistribution and use in source and binary forms, with or without
|
||
6 | * modification, are permitted provided that the following conditions
|
||
7 | * are met:
|
||
8 | * 1. Redistributions of source code must retain the above copyright
|
||
9 | * notice, this list of conditions and the following disclaimer.
|
||
10 | * 2. Redistributions in binary form must reproduce the above copyright
|
||
11 | * notice, this list of conditions and the following disclaimer in the
|
||
12 | * documentation and/or other materials provided with the distribution.
|
||
13 | * 3. Neither the name of the author nor the names of any co-contributors
|
||
14 | * may be used to endorse or promote products derived from this software
|
||
15 | * without specific prior written permission.
|
||
16 | *
|
||
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
27 | * SUCH DAMAGE.
|
||
28 | */
|
||
29 | |||
30 | /*
|
||
31 | * ipc_mt.c - IPC test for multi threaded servers.
|
||
32 | */
|
||
33 | |||
34 | #include <sys/prex.h> |
||
35 | #include <ipc/ipc.h> |
||
36 | #include <stdio.h> |
||
37 | |||
38 | #define NR_THREADS 5 |
||
39 | |||
40 | static char stack[NR_THREADS][1024]; |
||
41 | |||
42 | /*
|
||
43 | * Run specified thread
|
||
44 | */
|
||
45 | static int |
||
46 | thread_run(void (*start)(void), void *stack) |
||
47 | { |
||
48 | thread_t t; |
||
49 | int error;
|
||
50 | |||
51 | error = thread_create(task_self(), &t); |
||
52 | if (error)
|
||
53 | return error;
|
||
54 | |||
55 | error = thread_load(t, start, stack); |
||
56 | if (error)
|
||
57 | return error;
|
||
58 | |||
59 | error = thread_resume(t); |
||
60 | if (error)
|
||
61 | return error;
|
||
62 | |||
63 | |||
64 | return 0; |
||
65 | } |
||
66 | |||
67 | /*
|
||
68 | * Receiver thread
|
||
69 | */
|
||
70 | static void |
||
71 | receive_thread(void)
|
||
72 | { |
||
73 | struct msg msg;
|
||
74 | object_t obj; |
||
75 | int error;
|
||
76 | |||
77 | printf("Receiver thread is starting...\n");
|
||
78 | |||
79 | thread_setpri(thread_self(), 240);
|
||
80 | |||
81 | /*
|
||
82 | * Find objects.
|
||
83 | */
|
||
84 | error = object_lookup("test-A", &obj);
|
||
85 | |||
86 | for (;;) {
|
||
87 | /*
|
||
88 | * Receive message from object.
|
||
89 | */
|
||
90 | printf("Wait message.\n");
|
||
91 | msg_receive(obj, &msg, sizeof(msg));
|
||
92 | |||
93 | printf("Message received.\n");
|
||
94 | /*
|
||
95 | * Wait a sec.
|
||
96 | */
|
||
97 | timer_sleep(1000, 0); |
||
98 | |||
99 | printf("Reply message.\n");
|
||
100 | msg_reply(obj, &msg, sizeof(msg));
|
||
101 | |||
102 | for (;;);
|
||
103 | } |
||
104 | } |
||
105 | |||
106 | int
|
||
107 | main(int argc, char *argv[]) |
||
108 | { |
||
109 | object_t obj; |
||
110 | int error, i;
|
||
111 | |||
112 | printf("IPC test for multi threads\n");
|
||
113 | |||
114 | /*
|
||
115 | * Create an object.
|
||
116 | */
|
||
117 | error = object_create("test-A", &obj);
|
||
118 | if (error)
|
||
119 | panic("failed to create object");
|
||
120 | |||
121 | /*
|
||
122 | * Start receiver thread.
|
||
123 | */
|
||
124 | for (i = 0; i < NR_THREADS; i++) { |
||
125 | error = thread_run(receive_thread, stack[i] + 1024);
|
||
126 | if (error)
|
||
127 | panic("failed to run thread");
|
||
128 | } |
||
129 | printf("ok?\n");
|
||
130 | thread_setpri(thread_self(), 241);
|
||
131 | for (;;)
|
||
132 | thread_yield(); |
||
133 | return 0; |
||
134 | } |