Exemplo n.º 1
0
int beast_cache_init(int size)
{
    int index;
    
    if (beast_cache_initialization) {
        return 0;
    }
    
    if (beast_mm_init(size) == -1) {
        return -1;
    }
    
    beast_cache_locker = beast_locker_create();
    if (beast_cache_locker == -1) {
        beast_mm_destroy();
        return -1;
    }
    
    beast_cache_buckets = beast_mm_malloc(sizeof(cache_item_t *) * BUCKETS_DEFAULT_SIZE);
    if (!beast_cache_buckets) {
        beast_locker_destroy(beast_cache_locker);
        beast_mm_destroy();
        return -1;
    }
    
    for (index = 0; index < BUCKETS_DEFAULT_SIZE; index++) {
        beast_cache_buckets[index] = NULL;
    }
    
    beast_cache_initialization = 1;
    
    return 0;
}
Exemplo n.º 2
0
int beast_cache_destroy()
{
    int index;
    cache_item_t *item, *next;

    if (!beast_cache_initialization) {
        return 0;
    }

    beast_locker_lock(beast_cache_locker);

    for (index = 0; index < BUCKETS_DEFAULT_SIZE; index++) {
        item = beast_cache_buckets[index];
        while (item) {
            next = item->next;
            beast_mm_free(item);
            item = next;
        }
    }

    beast_mm_free(beast_cache_buckets);
    beast_mm_destroy();

    beast_locker_unlock(beast_cache_locker);
    beast_locker_destroy(beast_cache_locker);

    beast_cache_initialization = 0;

    return 0;
}
Exemplo n.º 3
0
int beast_cache_init(int size)
{
    int index, bucket_size;

    if (beast_cache_initialization) {
        return 0;
    }

    if (beast_mm_init(size) == -1) {
        return -1;
    }

    /* init cache lock */
    cache_lock = (int *)mmap(NULL, sizeof(int), PROT_READ|PROT_WRITE,
                                                MAP_SHARED|MAP_ANON, -1, 0);
    if (!cache_lock) {
        beast_write_log(beast_log_error,
                                    "Unable alloc share memory for cache lock");
        beast_mm_destroy();
        return -1;
    }

    *cache_lock = 0;

    /* init cache buckets's memory */
    bucket_size = sizeof(cache_item_t *) * BUCKETS_DEFAULT_SIZE;
    beast_cache_buckets = (cache_item_t **)mmap(NULL, bucket_size,
                              PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANON, -1, 0);
    if (!beast_cache_buckets) {
        beast_write_log(beast_log_error,
                                 "Unable alloc share memory for cache buckets");
        munmap(cache_lock, sizeof(int));
        beast_mm_destroy();
        return -1;
    }

    for (index = 0; index < BUCKETS_DEFAULT_SIZE; index++) {
        beast_cache_buckets[index] = NULL;
    }

    beast_cache_initialization = 1;

    return 0;
}
Exemplo n.º 4
0
int beast_cache_init(int size)
{
    int index, bucket_size;
    char lock_file[512];

    if (beast_cache_initialization) {
        return 0;
    }

    if (beast_mm_init(size) == -1) {
        return -1;
    }

    sprintf(lock_file, "%s/beast.clock", beast_lock_path);

    beast_cache_locker = beast_locker_create(lock_file);
    if (beast_cache_locker == NULL) {
        beast_write_log(beast_log_error, "Unable create cache "
                                         "locker for beast");
        beast_mm_destroy();
        return -1;
    }

    bucket_size = sizeof(cache_item_t *) * BUCKETS_DEFAULT_SIZE;
    beast_cache_buckets = (cache_item_t **)mmap(NULL, bucket_size,
                              PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANON, -1, 0);
    if (!beast_cache_buckets) {
        beast_write_log(beast_log_error, "Unable alloc memory for beast");
        beast_locker_destroy(beast_cache_locker);
        beast_mm_destroy();
        return -1;
    }

    for (index = 0; index < BUCKETS_DEFAULT_SIZE; index++) {
        beast_cache_buckets[index] = NULL;
    }

    beast_cache_initialization = 1;

    return 0;
}
Exemplo n.º 5
0
int beast_cache_destroy()
{
    int index;
    cache_item_t *item, *next;
    int pid = (int)getpid();

    if (!beast_cache_initialization) {
        return 0;
    }

    beast_mm_destroy(); /* destroy memory manager */

    /* free cache buckets's mmap memory */
    munmap(beast_cache_buckets, sizeof(cache_item_t *) * BUCKETS_DEFAULT_SIZE);

    munmap(cache_lock, sizeof(int));

    beast_cache_initialization = 0;

    return 0;
}