int
_pthread_setspecific(pthread_key_t key, const void *value)
{
struct pthread *pthread;
int ret = 0;
/* Point to the running thread: */
pthread = _get_curthread();
if ((pthread->specific) ||
(pthread->specific = pthread_key_allocate_data())) {
if ((unsigned int)key < PTHREAD_KEYS_MAX) {
if (_thread_keytable[key].allocated) {
if (pthread->specific[key].data == NULL) {
if (value != NULL)
pthread->specific_data_count++;
} else if (value == NULL)
pthread->specific_data_count--;
*(const void **)&pthread->specific[key].data = value;
pthread->specific[key].seqno =
_thread_keytable[key].seqno;
ret = 0;
} else
ret = EINVAL;
} else
ret = EINVAL;
} else
ret = ENOMEM;
return (ret);
}
int
pthread_setspecific(pthread_key_t key, const void *value)
{
pthread_t pthread;
int ret = 0;
int status;
PTHREAD_INIT;
/* Block signals: */
_thread_kern_sig_block(&status);
/* Point to the running thread: */
pthread = _thread_run;
/*
* Enter a loop for signal handler threads to find the parent thread
* which has the specific data associated with it:
*/
while (pthread->parent_thread != NULL) {
/* Point to the parent thread: */
pthread = pthread->parent_thread;
}
if ((pthread->specific_data) || (pthread->specific_data = pthread_key_allocate_data())) {
if ((key < PTHREAD_KEYS_MAX) && (key_table)) {
if (key_table[key].count) {
if (pthread->specific_data[key] == NULL) {
if (value != NULL) {
pthread->specific_data_count++;
key_table[key].count++;
}
} else {
if (value == NULL) {
pthread->specific_data_count--;
key_table[key].count--;
}
}
pthread->specific_data[key] = value;
ret = 0;
} else {
ret = EINVAL;
}
} else {
ret = EINVAL;
}
} else {
ret = ENOMEM;
}
/* Unblock signals: */
_thread_kern_sig_unblock(status);
return (ret);
}
