mutextest00.c

/*
  Copyright (C) 2009 Sung Ho Park
  Contact: ubinos.org@gmail.com
 
  This file is part of the lib_ubik_test component of the Ubinos.
 
  GNU General Public License Usage
  This file may be used under the terms of the GNU
  General Public License version 3.0 as published by the Free Software
  Foundation and appearing in the file license_gpl3.txt included in the
  packaging of this file. Please review the following information to
  ensure the GNU General Public License version 3.0 requirements will be
  met: http://www.gnu.org/copyleft/gpl.html.
 
  GNU Lesser General Public License Usage
  Alternatively, this file may be used under the terms of the GNU Lesser
  General Public License version 2.1 as published by the Free Software
  Foundation and appearing in the file license_lgpl.txt included in the
  packaging of this file. Please review the following information to
  ensure the GNU Lesser General Public License version 2.1 requirements
  will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 
  Commercial Usage
  Alternatively, licensees holding valid commercial licenses may
  use this file in accordance with the commercial license agreement
  provided with the software or, alternatively, in accordance with the
  terms contained in a written agreement between you and rightful owner.
*/
 
#include <ubinos/ubik_test.h>
 
#if !(UBINOS__UBIK_TEST__EXCLUDE_MUTEXTESTSET == 1)
 
#include <stdio.h>
#include <stdlib.h>
 
#define TASKBUSYWAITCOUNT   1
#define TASKLOOPCOUNT       10000
 
static mutex_pt _g_mutex    = NULL;
static int      _g_data     = 0;
 
static void mutextest00_subtest1_task1func(void * arg) {
    unsigned int i;
    int temp;
 
    for (i=0; i<TASKLOOPCOUNT; i++) {
        temp = _g_data;
        temp = temp + 1;
        bsp_busywait(TASKBUSYWAITCOUNT);
        _g_data = temp;
    }
}
 
static void mutextest00_subtest1_task2func(void * arg) {
    unsigned int i;
    int temp;
 
    for (i=0; i<TASKLOOPCOUNT; i++) {
        temp = _g_data;
        temp = temp - 1;
        bsp_busywait(TASKBUSYWAITCOUNT);
        _g_data = temp;
    }
}
 
static int ubik_test_mutextest00_subtest1(void) {
    int r;
    int r2;
    task_pt task_a[2];
 
    _g_data     = 0;
 
    r = task_create(&task_a[0], mutextest00_subtest1_task1func, NULL, task_getpriority(NULL)-1, 0, "task 1");
    if (0 != r) {
        printf("fail at task_create(), err=%d\r\n", r);
        r = -1;
        goto end0;
    }
 
    r = task_create(&task_a[1], mutextest00_subtest1_task2func, NULL, task_getpriority(NULL)-1, 0, "task 2");
    if (0 != r) {
        printf("fail at task_create(), err=%d\r\n", r);
        r = -1;
        goto end1;
    }
 
    r = 0;
 
end1:
    r2 = task_join(task_a, NULL, 2);
    if (0 != r2) {
        printf("fail at task_join(), err=%d\r\n", r2);
        r = -1;
    }
 
end0:
    printf("data (none mutual exclusive use) : %d\r\n", _g_data);
 
    return r;
}
 
static void mutextest00_subtest2_task1func(void * arg) {
    unsigned int i;
    int temp;
 
    for (i=0; i<TASKLOOPCOUNT; i++) {
        mutex_lock(_g_mutex);
 
        temp = _g_data;
        temp = temp + 1;
        bsp_busywait(TASKBUSYWAITCOUNT);
        _g_data = temp;
 
        mutex_unlock(_g_mutex);
    }
}
 
static void mutextest00_subtest2_task2func(void * arg) {
    unsigned int i;
    int temp;
 
    for (i=0; i<TASKLOOPCOUNT; i++) {
        mutex_lock(_g_mutex);
 
        temp = _g_data;
        temp = temp - 1;
        bsp_busywait(TASKBUSYWAITCOUNT);
        _g_data = temp;
 
        mutex_unlock(_g_mutex);
    }
}
 
static int ubik_test_mutextest00_subtest2(void) {
    int r;
    int r2;
    task_pt task_a[2];
 
    r = mutex_create(&_g_mutex);
    if (0 != r) {
        printf("fail at mutex_create(), err=%d\r\n", r);
        r = -1;
        goto end0;
    }
 
    _g_data = 0;
 
    r = task_create(&task_a[0], mutextest00_subtest2_task1func, NULL, task_getpriority(NULL)-1, 0, "task 1");
    if (0 != r) {
        printf("fail at task_create(), err=%d\r\n", r);
        r = -1;
        goto end1;
    }
 
    r = task_create(&task_a[1], mutextest00_subtest2_task2func, NULL, task_getpriority(NULL)-1, 0, "task 2");
    if (0 != r) {
        printf("fail at task_create(), err=%d\r\n", r);
        r = -1;
        goto end2;
    }
 
    r = 0;
 
end2:
    r2 = task_join(task_a, NULL, 2);
    if (0 != r2) {
        printf("fail at task_join(), err=%d\r\n", r2);
        r = -1;
    }
 
end1:
    r2 = mutex_delete(&_g_mutex);
    if (0 != r2) {
        printf("fail at mutex_delete(), err=%d\r\n", r2);
        r = -1;
    }
 
end0:
    printf("data (mutual exclusive use)      : %d\r\n", _g_data);
 
    return r;
}
 
int ubik_test_mutextest00(void) {
    int r;
 
    r = ubik_test_mutextest00_subtest1();
    if (0 != r) {
        printf("fail at ubik_test_mutextest00_subtest1(), err=%d\r\n", r);
        r = -1;
        goto end0;
    }
 
    r = ubik_test_mutextest00_subtest2();
    if (0 != r) {
        printf("fail at ubik_test_mutextest00_subtest2(), err=%d\r\n", r);
        r = -1;
        goto end0;
    }
 
    r = 0;
 
end0:
    return r;
}
 
#endif /* !(UBINOS__UBIK_TEST__EXCLUDE_MUTEXTESTSET == 1) */