#include <sys/kmem.h>
#include <sys/thread.h>
#include <sys/tsd.h>
-#include <spl-debug.h>
-
-#ifdef DEBUG_SUBSYSTEM
-#undef DEBUG_SUBSYSTEM
-#endif
-
-#define DEBUG_SUBSYSTEM SS_TSD
-#define DEBUG_SUBSYSTEM SS_TSD
typedef struct tsd_hash_bin {
spinlock_t hb_lock;
tsd_hash_entry_t *entry;
tsd_hash_bin_t *bin;
ulong_t hash;
- SENTRY;
hash = hash_long((ulong_t)key * (ulong_t)pid, table->ht_bits);
bin = &table->ht_bins[hash];
entry = list_entry(node, tsd_hash_entry_t, he_list);
if ((entry->he_key == key) && (entry->he_pid == pid)) {
spin_unlock(&bin->hb_lock);
- SRETURN(entry);
+ return (entry);
}
}
spin_unlock(&bin->hb_lock);
- SRETURN(NULL);
+ return (NULL);
}
/*
tsd_hash_dtor(struct hlist_head *work)
{
tsd_hash_entry_t *entry;
- SENTRY;
while (!hlist_empty(work)) {
entry = hlist_entry(work->first, tsd_hash_entry_t, he_list);
kmem_free(entry, sizeof(tsd_hash_entry_t));
}
-
- SEXIT;
}
/*
tsd_hash_bin_t *bin;
ulong_t hash;
int rc = 0;
- SENTRY;
ASSERT3P(tsd_hash_search(table, key, pid), ==, NULL);
/* New entry allocate structure, set value, and add to hash */
entry = kmem_alloc(sizeof(tsd_hash_entry_t), KM_PUSHPAGE);
if (entry == NULL)
- SRETURN(ENOMEM);
+ return (ENOMEM);
entry->he_key = key;
entry->he_pid = pid;
spin_unlock(&bin->hb_lock);
spin_unlock(&table->ht_lock);
- SRETURN(rc);
+ return (rc);
}
/*
tsd_hash_bin_t *bin;
ulong_t hash;
int keys_checked = 0;
- SENTRY;
ASSERT3P(table, !=, NULL);
/* Allocate entry to be used as a destructor for this key */
entry = kmem_alloc(sizeof(tsd_hash_entry_t), KM_PUSHPAGE);
if (entry == NULL)
- SRETURN(ENOMEM);
+ return (ENOMEM);
/* Determine next available key value */
spin_lock(&table->ht_lock);
/* Ensure failure when all TSD_KEYS_MAX keys are in use */
if (keys_checked++ >= TSD_KEYS_MAX) {
spin_unlock(&table->ht_lock);
- SRETURN(ENOENT);
+ return (ENOENT);
}
tmp_entry = tsd_hash_search(table, table->ht_key, DTOR_PID);
spin_unlock(&bin->hb_lock);
spin_unlock(&table->ht_lock);
- SRETURN(0);
+ return (0);
}
/*
tsd_hash_entry_t *entry;
tsd_hash_bin_t *bin;
ulong_t hash;
- SENTRY;
/* Allocate entry to be used as the process reference */
entry = kmem_alloc(sizeof(tsd_hash_entry_t), KM_PUSHPAGE);
if (entry == NULL)
- SRETURN(ENOMEM);
+ return (ENOMEM);
spin_lock(&table->ht_lock);
entry->he_key = PID_KEY;
spin_unlock(&bin->hb_lock);
spin_unlock(&table->ht_lock);
- SRETURN(0);
+ return (0);
}
/*
static void
tsd_hash_del(tsd_hash_table_t *table, tsd_hash_entry_t *entry)
{
- SENTRY;
-
ASSERT(spin_is_locked(&table->ht_lock));
hlist_del(&entry->he_list);
list_del_init(&entry->he_key_list);
list_del_init(&entry->he_pid_list);
-
- SEXIT;
}
/*
{
tsd_hash_table_t *table;
int hash, size = (1 << bits);
- SENTRY;
table = kmem_zalloc(sizeof(tsd_hash_table_t), KM_SLEEP);
if (table == NULL)
- SRETURN(NULL);
+ return (NULL);
table->ht_bins = kmem_zalloc(sizeof(tsd_hash_bin_t) * size,
KM_SLEEP | KM_NODEBUG);
if (table->ht_bins == NULL) {
kmem_free(table, sizeof(tsd_hash_table_t));
- SRETURN(NULL);
+ return (NULL);
}
for (hash = 0; hash < size; hash++) {
table->ht_bits = bits;
table->ht_key = 1;
- SRETURN(table);
+ return (table);
}
/*
tsd_hash_bin_t *bin;
tsd_hash_entry_t *entry;
int size, i;
- SENTRY;
ASSERT3P(table, !=, NULL);
spin_lock(&table->ht_lock);
tsd_hash_dtor(&work);
kmem_free(table->ht_bins, sizeof(tsd_hash_bin_t)*(1<<table->ht_bits));
kmem_free(table, sizeof(tsd_hash_table_t));
-
- SEXIT;
}
/*
tsd_hash_entry_t *entry;
pid_t pid;
int rc;
- SENTRY;
table = tsd_hash_table;
pid = curthread->pid;
ASSERT3P(table, !=, NULL);
if ((key == 0) || (key > TSD_KEYS_MAX))
- SRETURN(EINVAL);
+ return (EINVAL);
/* Entry already exists in hash table update value */
entry = tsd_hash_search(table, key, pid);
if (entry) {
entry->he_value = value;
- SRETURN(0);
+ return (0);
}
/* Add a process entry to the hash if not yet exists */
if (entry == NULL) {
rc = tsd_hash_add_pid(table, pid);
if (rc)
- SRETURN(rc);
+ return (rc);
}
rc = tsd_hash_add(table, key, pid, value);
- SRETURN(rc);
+ return (rc);
}
EXPORT_SYMBOL(tsd_set);
tsd_get(uint_t key)
{
tsd_hash_entry_t *entry;
- SENTRY;
ASSERT3P(tsd_hash_table, !=, NULL);
if ((key == 0) || (key > TSD_KEYS_MAX))
- SRETURN(NULL);
+ return (NULL);
entry = tsd_hash_search(tsd_hash_table, key, curthread->pid);
if (entry == NULL)
- SRETURN(NULL);
+ return (NULL);
- SRETURN(entry->he_value);
+ return (entry->he_value);
}
EXPORT_SYMBOL(tsd_get);
void
tsd_create(uint_t *keyp, dtor_func_t dtor)
{
- SENTRY;
-
ASSERT3P(keyp, !=, NULL);
- if (*keyp) {
- SEXIT;
+ if (*keyp)
return;
- }
(void)tsd_hash_add_key(tsd_hash_table, keyp, dtor);
-
- SEXIT;
}
EXPORT_SYMBOL(tsd_create);
tsd_hash_entry_t *dtor_entry, *entry;
tsd_hash_bin_t *dtor_entry_bin, *entry_bin;
ulong_t hash;
- SENTRY;
table = tsd_hash_table;
ASSERT3P(table, !=, NULL);
dtor_entry = tsd_hash_search(table, *keyp, DTOR_PID);
if (dtor_entry == NULL) {
spin_unlock(&table->ht_lock);
- SEXIT;
return;
}
tsd_hash_dtor(&work);
*keyp = 0;
-
- SEXIT;
}
EXPORT_SYMBOL(tsd_destroy);
tsd_hash_entry_t *pid_entry, *entry;
tsd_hash_bin_t *pid_entry_bin, *entry_bin;
ulong_t hash;
- SENTRY;
table = tsd_hash_table;
ASSERT3P(table, !=, NULL);
pid_entry = tsd_hash_search(table, PID_KEY, curthread->pid);
if (pid_entry == NULL) {
spin_unlock(&table->ht_lock);
- SEXIT;
return;
}
spin_unlock(&table->ht_lock);
tsd_hash_dtor(&work);
-
- SEXIT;
}
EXPORT_SYMBOL(tsd_exit);
int
spl_tsd_init(void)
{
- SENTRY;
-
tsd_hash_table = tsd_hash_table_init(TSD_HASH_TABLE_BITS_DEFAULT);
if (tsd_hash_table == NULL)
- SRETURN(1);
+ return (1);
- SRETURN(0);
+ return (0);
}
void
spl_tsd_fini(void)
{
- SENTRY;
tsd_hash_table_fini(tsd_hash_table);
tsd_hash_table = NULL;
- SEXIT;
}
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