root / prex-0.9.0 / usr / test / task / task.c @ 03e9c04a
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1 | 03e9c04a | Brad Neuman | /*
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2 | * Copyright (c) 2005-2006, Kohsuke Ohtani
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | * 3. Neither the name of the author nor the names of any co-contributors
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14 | * may be used to endorse or promote products derived from this software
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15 | * without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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27 | * SUCH DAMAGE.
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28 | */
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29 | |||
30 | /*
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31 | * task.c - test program for kernel task services.
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32 | */
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33 | |||
34 | #include <sys/prex.h> |
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35 | #include <stdio.h> |
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36 | #include <stdlib.h> |
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37 | |||
38 | #define NR_THREADS 16 |
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39 | |||
40 | static char stack[NR_THREADS][1024]; |
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41 | |||
42 | static void |
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43 | test_thread(void)
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44 | { |
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45 | printf("New thread %x is started\n", (u_int)thread_self());
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46 | |||
47 | for (;;) {
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48 | timer_sleep(100, 0); |
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49 | printf("@");
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50 | } |
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51 | } |
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52 | |||
53 | int
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54 | main(int argc, char *argv[]) |
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55 | { |
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56 | task_t task; |
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57 | thread_t t; |
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58 | int i, error;
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59 | |||
60 | printf("Task test program\n");
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61 | sys_log("Task test program\n");
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62 | |||
63 | /*
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64 | * Boost priority of this thread
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65 | */
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66 | thread_setpri(thread_self(), 90);
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67 | |||
68 | /*
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69 | * Create test task
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70 | */
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71 | #ifdef CONFIG_MMU
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72 | error = task_create(task_self(), VM_COPY, &task); |
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73 | #else
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74 | error = task_create(task_self(), VM_SHARE, &task); |
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75 | #endif
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76 | if (error) {
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77 | printf("task_create failed. error=%d\n", error);
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78 | exit(1);
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79 | } |
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80 | |||
81 | /*
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82 | * Run threads
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83 | */
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84 | for (i = 0; i < NR_THREADS; i++) { |
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85 | error = thread_create(task, &t); |
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86 | printf("thread_create: error=%d\n", error);
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87 | error = thread_load(t, test_thread, stack[i]+1024);
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88 | printf("thread_load: error=%d\n", error);
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89 | thread_resume(t); |
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90 | } |
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91 | |||
92 | /*
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93 | * Sleep for a while
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94 | */
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95 | timer_sleep(1000, 0); |
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96 | |||
97 | /*
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98 | * Suspend test task
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99 | */
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100 | printf("\nSuspend test task.\n");
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101 | error = task_suspend(task); |
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102 | if (error)
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103 | panic("task suspend failed");
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104 | |||
105 | /*
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106 | * Sleep for a while
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107 | */
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108 | printf("Sleep\n");
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109 | timer_sleep(500, 0); |
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110 | |||
111 | printf("\nResume test task.\n");
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112 | error = task_resume(task); |
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113 | if (error)
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114 | panic("task resume failed");
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115 | |||
116 | /*
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117 | * Sleep for a while
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118 | */
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119 | timer_sleep(3000, 0); |
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120 | |||
121 | printf("\nResume task, again.\n");
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122 | error = task_resume(task); |
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123 | if (error)
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124 | printf("Error - OK!\n");
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125 | |||
126 | timer_sleep(1000, 0); |
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127 | |||
128 | printf("\nTerminate task.\n");
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129 | task_terminate(task); |
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130 | |||
131 | printf("\nTest OK!\n");
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132 | return 0; |
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133 | } |