Annotation of prex-old/usr/test/task/task.c, Revision 1.1.1.1
1.1 nbrk 1: /*
2: * Copyright (c) 2005-2006, 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: * task.c - test program for kernel task services.
32: */
33:
34: #include <prex/prex.h>
35: #include <stdio.h>
36: #include <stdlib.h>
37:
38: #define NR_THREADS 16
39:
40: static char stack[NR_THREADS][1024];
41:
42: static void
43: test_thread(void)
44: {
45: printf("New thread %x is started\n", (u_int)thread_self());
46:
47: for (;;) {
48: timer_sleep(100, 0);
49: printf("@");
50: }
51: }
52:
53: int
54: main(int argc, char *argv[])
55: {
56: task_t task;
57: thread_t th;
58: int i, err;
59:
60: printf("Task test program\n");
61: sys_log("Task test program\n");
62:
63: /*
64: * Boost priority of this thread
65: */
66: thread_setprio(thread_self(), 90);
67:
68: /*
69: * Create test task
70: */
71: #ifdef CONFIG_MMU
72: err = task_create(task_self(), VM_COPY, &task);
73: #else
74: err = task_create(task_self(), VM_SHARE, &task);
75: #endif
76: if (err) {
77: printf("task_create failed. err=%d\n", err);
78: exit(1);
79: }
80:
81: /*
82: * Run threads
83: */
84: for (i = 0; i < NR_THREADS; i++) {
85: err = thread_create(task, &th);
86: printf("thread_create: err=%d\n", err);
87: err = thread_load(th, test_thread, stack[i]+1024);
88: printf("thread_load: err=%d\n", err);
89: thread_resume(th);
90: }
91:
92: /*
93: * Sleep for a while
94: */
95: timer_sleep(1000, 0);
96:
97: /*
98: * Suspend test task
99: */
100: printf("\nSuspend test task.\n");
101: err = task_suspend(task);
102: if (err)
103: panic("task suspend failed");
104:
105: /*
106: * Sleep for a while
107: */
108: printf("Sleep\n");
109: timer_sleep(500, 0);
110:
111: printf("\nResume test task.\n");
112: err = task_resume(task);
113: if (err)
114: panic("task resume failed");
115:
116: /*
117: * Sleep for a while
118: */
119: timer_sleep(3000, 0);
120:
121: printf("\nResume task, again.\n");
122: err = task_resume(task);
123: if (err)
124: printf("Error - OK!\n");
125:
126: timer_sleep(1000, 0);
127:
128: printf("\nTerminate task.\n");
129: task_terminate(task);
130:
131: printf("\nTest OK!\n");
132: return 0;
133: }
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