player/Project/Src/rt-thread/examples/kernel/memp_simple.c

/*
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>嵥<EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᴴ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD>̡߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̻߳<EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD>
 * <EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD>
 */
#include <rtthread.h>
#include "tc_comm.h"

static rt_uint8_t *ptr[48];
static rt_uint8_t mempool[4096];
static struct rt_mempool mp;

/* ָ<><D6B8><EFBFBD>߳̿<DFB3><CCBF>ƿ<EFBFBD><C6BF><EFBFBD>ָ<EFBFBD><D6B8> */
static rt_thread_t tid1 = RT_NULL;
static rt_thread_t tid2 = RT_NULL;

/* <20>߳<EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD> */
static void thread1_entry(void* parameter)
{
    int i;
    char *block;

    while(1)
    {
        for (i = 0; i < 48; i++)
        {
            /* <20><><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD> */
            rt_kprintf("allocate No.%d\n", i);
            if (ptr[i] == RT_NULL)
            {
                ptr[i] = rt_mp_alloc(&mp, RT_WAITING_FOREVER);
            }
        }

        /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ڴ<EFBFBD><DAB4>飬<EFBFBD><E9A3AC>Ϊ<EFBFBD>Ѿ<EFBFBD>û<EFBFBD><C3BB><EFBFBD>ڴ<EFBFBD><DAB4>飬<EFBFBD>߳<EFBFBD>Ӧ<EFBFBD>ñ<EFBFBD><C3B1><EFBFBD><EFBFBD><EFBFBD> */
        block = rt_mp_alloc(&mp, RT_WAITING_FOREVER);
        rt_kprintf("allocate the block mem\n");
        /* <20>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD> */
        rt_mp_free(block);
        block = RT_NULL;
    }
}

/* <20>߳<EFBFBD>2<EFBFBD><32><EFBFBD>ڣ<EFBFBD><DAA3>߳<EFBFBD>2<EFBFBD><32><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD>߳<EFBFBD>1<EFBFBD>ͣ<EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD>߳<EFBFBD>1<EFBFBD>Ȼ<EFBFBD><C8BB><EFBFBD>ִ<EFBFBD>С<EFBFBD>*/
static void thread2_entry(void *parameter)
{
    int i;

    while(1)
    {
        rt_kprintf("try to release block\n");

        for (i = 0 ; i < 48; i ++)
        {
            /* <20>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD>з<EFBFBD><D0B7><EFBFBD><EFBFBD>ɹ<EFBFBD><C9B9><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD> */
            if (ptr[i] != RT_NULL)
            {
                rt_kprintf("release block %d\n", i);

                rt_mp_free(ptr[i]);
                ptr[i] = RT_NULL;
            }
        }

        /* <20><><EFBFBD><EFBFBD>10<31><30>OS Tick */
        rt_thread_delay(10);
    }
}

int mempool_simple_init()
{
    int i;
    for (i = 0; i < 48; i ++) ptr[i] = RT_NULL;

    /* <20><>ʼ<EFBFBD><CABC><EFBFBD>ڴ<EFBFBD><DAB4>ض<EFBFBD><D8B6><EFBFBD> */
    rt_mp_init(&mp, "mp1", &mempool[0], sizeof(mempool), 80);

    /* <20><><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>1 */
    tid1 = rt_thread_create("t1",
                            thread1_entry, RT_NULL, /* <20>߳<EFBFBD><DFB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>thread1_entry, <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD>RT_NULL */
                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
    if (tid1 != RT_NULL)
        rt_thread_startup(tid1);
    else
        tc_stat(TC_STAT_END | TC_STAT_FAILED);

    /* <20><><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>2 */
    tid2 = rt_thread_create("t2",
                            thread2_entry, RT_NULL, /* <20>߳<EFBFBD><DFB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>thread2_entry, <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD>RT_NULL */
                            THREAD_STACK_SIZE, THREAD_PRIORITY + 1, THREAD_TIMESLICE);
    if (tid2 != RT_NULL)
        rt_thread_startup(tid2);
    else
        tc_stat(TC_STAT_END | TC_STAT_FAILED);

    return 0;
}

#ifdef RT_USING_TC
static void _tc_cleanup()
{
    /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>󣬽<EFBFBD><F3A3ACBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣߳<DFB3><CCA3><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ж<EFBFBD> */
    rt_enter_critical();

    /* ɾ<><C9BE><EFBFBD>߳<EFBFBD> */
    if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
        rt_thread_delete(tid1);
    if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
        rt_thread_delete(tid2);

    /* ִ<><D6B4><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
    rt_mp_detach(&mp);

    /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
    rt_exit_critical();

    /* <20><><EFBFBD><EFBFBD>TestCase״̬ */
    tc_done(TC_STAT_PASSED);
}

int _tc_mempool_simple()
{
    /* <20><><EFBFBD><EFBFBD>TestCase<73><65><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD> */
    tc_cleanup(_tc_cleanup);
    mempool_simple_init();

    /* <20><><EFBFBD><EFBFBD>TestCase<73><65><EFBFBD>е<EFBFBD><D0B5>ʱ<EEB3A4><CAB1> */
    return 100;
}
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>finsh shell<6C><6C> */
FINSH_FUNCTION_EXPORT(_tc_mempool_simple, a memory pool example);
#else
/* <20>û<EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
int rt_application_init()
{
    mempool_simple_init();

    return 0;
}
#endif