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res_pjsip: Make aor named lock a mutex.

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The named aor lock was always being locked for writes so a rwlock adds no
benefit and may be slower because rwlocks are biased toward read locking.

Change-Id: I8c5c2c780eb30ce5441832257beeb3506fd12b28
This commit is contained in:
Richard Mudgett
2016-08-03 16:24:39 -05:00
parent e845ef6762
commit 5ba6357be2
4 changed files with 10 additions and 10 deletions
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4
main/named_locks.c
View File

@@ -87,8 +87,8 @@ static void named_locks_shutdown(void)
int ast_named_locks_init(void)
{
named_locks = ao2_container_alloc_hash(0, 0, NAMED_LOCKS_BUCKETS, named_locks_hash, NULL,
named_locks_cmp);
named_locks = ao2_container_alloc_hash(AO2_ALLOC_OPT_LOCK_MUTEX, 0,
NAMED_LOCKS_BUCKETS, named_locks_hash, NULL, named_locks_cmp);
if (!named_locks) {
return -1;
}

8
res/res_pjsip/location.c
View File

@@ -209,12 +209,12 @@ struct ao2_container *ast_sip_location_retrieve_aor_contacts(const struct ast_si
struct ao2_container *contacts;
struct ast_named_lock *lock;
lock = ast_named_lock_get(AST_NAMED_LOCK_TYPE_RWLOCK, "aor", ast_sorcery_object_get_id(aor));
lock = ast_named_lock_get(AST_NAMED_LOCK_TYPE_MUTEX, "aor", ast_sorcery_object_get_id(aor));
if (!lock) {
return NULL;
}
ao2_wrlock(lock);
ao2_lock(lock);
contacts = ast_sip_location_retrieve_aor_contacts_nolock(aor);
ao2_unlock(lock);
ast_named_lock_put(lock);
@@ -368,12 +368,12 @@ int ast_sip_location_add_contact(struct ast_sip_aor *aor, const char *uri,
int res;
struct ast_named_lock *lock;
lock = ast_named_lock_get(AST_NAMED_LOCK_TYPE_RWLOCK, "aor", ast_sorcery_object_get_id(aor));
lock = ast_named_lock_get(AST_NAMED_LOCK_TYPE_MUTEX, "aor", ast_sorcery_object_get_id(aor));
if (!lock) {
return -1;
}
ao2_wrlock(lock);
ao2_lock(lock);
res = ast_sip_location_add_contact_nolock(aor, uri, expiration_time, path_info, user_agent,
via_addr, via_port, call_id,
endpoint);

4
res/res_pjsip_registrar.c
View File

@@ -525,12 +525,12 @@ static int register_aor(pjsip_rx_data *rdata,
struct ao2_container *contacts = NULL;
struct ast_named_lock *lock;
lock = ast_named_lock_get(AST_NAMED_LOCK_TYPE_RWLOCK, "aor", aor_name);
lock = ast_named_lock_get(AST_NAMED_LOCK_TYPE_MUTEX, "aor", aor_name);
if (!lock) {
return PJ_TRUE;
}
ao2_wrlock(lock);
ao2_lock(lock);
contacts = ast_sip_location_retrieve_aor_contacts_nolock(aor);
if (!contacts) {
ao2_unlock(lock);

4
res/res_pjsip_registrar_expire.c
View File

@@ -44,7 +44,7 @@ static int expire_contact(void *obj, void *arg, int flags)
struct ast_sip_contact *contact = obj;
struct ast_named_lock *lock;
lock = ast_named_lock_get(AST_NAMED_LOCK_TYPE_RWLOCK, "aor", contact->aor);
lock = ast_named_lock_get(AST_NAMED_LOCK_TYPE_MUTEX, "aor", contact->aor);
if (!lock) {
return 0;
}
@@ -53,7 +53,7 @@ static int expire_contact(void *obj, void *arg, int flags)
* We need to check the expiration again with the aor lock held
* in case another thread is attempting to renew the contact.
*/
ao2_wrlock(lock);
ao2_lock(lock);
if (ast_tvdiff_ms(ast_tvnow(), contact->expiration_time) > 0) {
ast_sip_location_delete_contact(contact);
}