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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: }