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Annotation of prex-old/usr/test/task/task.c, Revision 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: }