/**
@brief This function set value to thread_specific data by the key.
*/
int pthread_setspecific (pthread_key_t key, const void *value)
{
hurd_ihash_t speci_tb = (hurd_ihash_t)get_current_pt_specific();
/* key is valid ? */
if (key > __pthread_key_nums ||
__destructort_arry[key] == DESTRUCTORT_INVALID)
return -EINVAL;
/* has created? */
if (!speci_tb)
{
int ret;
/* if failt, it must out of memory */
if (hurd_ihash_create(&speci_tb, HURD_IHASH_NO_LOCP) != 0)
return -ENOMEM;
/* add speci_tb to speci_tables */
pthread_spin_lock(&__pthread_specific_lock);
ret = find_elem_index_and_add_to_arry(speci_tb, &__pthread_specific_arry, (int *)&__pthread_specific_nums, NULL);
pthread_spin_unlock(&__pthread_specific_lock);
/* errno is always no mem */
if (ret < 0)
{
hurd_ihash_destroy(speci_tb);
return -ENOMEM;
}
/* set to pthread */
set_current_pt_specific((void *)speci_tb);
}
/* add to ihash tables */
if (hurd_ihash_add(speci_tb, (hurd_ihash_key_t)key, (hurd_ihash_value_t)value) != 0)
return -ENOMEM;
return 0;
}
int
pthread_setspecific (pthread_key_t key, const void *value)
{
error_t err;
struct __pthread *self = _pthread_self ();
if (key < 0 || key >= __pthread_key_count
|| __pthread_key_destructors[key] == PTHREAD_KEY_INVALID)
return EINVAL;
if (! self->thread_specifics)
{
err = hurd_ihash_create (&self->thread_specifics, HURD_IHASH_NO_LOCP);
if (err)
return ENOMEM;
}
err = hurd_ihash_add (self->thread_specifics, key, (void *) value);
if (err)
return ENOMEM;
return 0;
}
