void *writer(void *prm)
{
int i, num;
long count = (long) prm;
char kbuf[30];
char *entry;
cp_mutex_lock(&start_mutex);
while (!running)
cp_cond_wait(&start_cond, &start_mutex);
cp_mutex_unlock(&start_mutex);
for (i = 0; i < count; i++)
{
sprintf(kbuf, "ENTRY %d", i);
entry = strdup(kbuf);
num = i % COUNT;
if (!silent)
printf("writing (%d): %s\n", num, entry);
cp_mutex_lock(&lock[i % COUNT]);
cp_hashtable_put(t[num], entry, entry);
cp_list_append(tl[num], entry);
cp_cond_broadcast(&cond[i % COUNT]);
cp_mutex_unlock(&lock[i % COUNT]);
}
return NULL;
}
int add_gff_record(gff_record_t* record, gff_file_t *gff_file)
{
void *result = cp_list_append(gff_file->records, record);
if (result != NULL) {
LOG_DEBUG_F("record %zu\n", cp_list_item_count(gff_file->records));
} else {
LOG_DEBUG_F("record %zu not inserted\n", cp_list_item_count(gff_file->records));
}
return result != NULL;
}
int add_gff_header_entry(gff_header_entry_t *header_entry, gff_file_t *gff_file)
{
void *result = cp_list_append(gff_file->header_entries, header_entry);
if (result != NULL) {
LOG_DEBUG_F("header entry %zu\n", cp_list_item_count(gff_file->header_entries));
} else {
LOG_DEBUG_F("header entry %zu not inserted\n", cp_list_item_count(gff_file->header_entries));
}
return result != NULL;
}
static int cp_thread_pool_set_available(cp_thread_pool *pool,
cp_pooled_thread *thread)
{
cp_mutex_lock(pool->pool_lock);
cp_hashlist_remove(pool->in_use, &thread->id);
cp_list_append(pool->free_pool, thread);
// pool->size--;
cp_cond_signal(pool->pool_cond);
cp_mutex_unlock(pool->pool_lock);
return 0;
}
cp_thread_pool *cp_thread_pool_create(int min_size, int max_size)
{
int rc;
cp_thread_pool *pool = calloc(1, sizeof(cp_thread_pool));
if (pool == NULL)
cp_fatal(CP_MEMORY_ALLOCATION_FAILURE, "can\'t allocate thread pool structure");
pool->min_size = min_size;
pool->max_size = max_size;
pool->running = 1;
pool->free_pool = cp_list_create();
if (pool->free_pool == NULL)
cp_fatal(CP_MEMORY_ALLOCATION_FAILURE, "can\'t allocate thread pool list");
pool->in_use = cp_hashlist_create(10, cp_hash_long, cp_hash_compare_long);
if (pool->in_use == NULL)
cp_fatal(CP_MEMORY_ALLOCATION_FAILURE, "can\'t allocate thread pool running list");
pool->pool_lock = (cp_mutex *) malloc(sizeof(cp_mutex));
if (pool->pool_lock == NULL)
{
cp_error(CP_MEMORY_ALLOCATION_FAILURE, "can\'t create mutex");
goto THREAD_POOL_CREATE_CANCEL;
}
if ((rc = cp_mutex_init(pool->pool_lock, NULL)))
{
cp_error(rc, "can\'t create mutex");
goto THREAD_POOL_CREATE_CANCEL;
}
pool->pool_cond = (cp_cond *) malloc(sizeof(cp_cond));
if (pool->pool_cond == NULL)
{
cp_error(rc, "can\'t create condition variable");
cp_mutex_destroy(pool->pool_lock);
free(pool->pool_lock);
goto THREAD_POOL_CREATE_CANCEL;
}
if ((rc = cp_cond_init(pool->pool_cond, NULL)))
{
cp_error(rc, "can\'t create condition variable");
free(pool->pool_cond);
cp_mutex_destroy(pool->pool_lock);
free(pool->pool_lock);
goto THREAD_POOL_CREATE_CANCEL;
}
for ( ; pool->size < pool->min_size; pool->size++)
{
cp_pooled_thread *pt = cp_pooled_thread_create(pool);
if (pt == NULL)
cp_fatal(CP_THREAD_CREATION_FAILURE, "can\'t create thread pool (created %d threads, minimum pool size is %d", pool->size, pool->min_size);
cp_list_append(pool->free_pool, pt);
}
return pool;
THREAD_POOL_CREATE_CANCEL:
cp_list_destroy_custom(pool->free_pool,
(cp_destructor_fn) cp_pooled_thread_destroy);
cp_hashlist_destroy_custom(pool->in_use, NULL,
(cp_destructor_fn) cp_pooled_thread_destroy);
free(pool);
return NULL;
}
int cp_db_register_dbms(char *name, void (*shutdown_call)())
{
cp_list_append(shutdown_hook, shutdown_call);
return cp_list_item_count(shutdown_hook);
}