libqb: rip out objdb & serialize locks

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
Reviewed-by: Steven Dake <sdake@redhat.com>
This commit is contained in:
Angus Salkeld 2010-11-12 08:32:37 +11:00
parent 17a4e6d9e5
commit b8eae0e769
2 changed files with 5 additions and 138 deletions

View File

@ -148,8 +148,6 @@ static int sched_priority = 0;
static unsigned int service_count = 32;
static qb_thread_lock_t *serialize_lock_f;
static struct totem_logging_configuration totem_logging_configuration;
static int num_config_modules;
@ -174,10 +172,6 @@ static corosync_timer_handle_t corosync_stats_timer_handle;
static const char *corosync_lock_file = LOCALSTATEDIR"/run/corosync.pid";
static void serialize_unlock (void);
static void serialize_lock (void);
qb_loop_t *cs_poll_handle_get (void)
{
return (corosync_poll_handle);
@ -214,16 +208,8 @@ void corosync_state_dump (void)
static void unlink_all_completed (void)
{
/*
* The schedwrk_do API takes the global serializer lock
* but doesn't release it because this exit callback is called
* before it finishes. Since we know we are exiting, we unlock it
* here
*/
serialize_unlock ();
api->timer_delete (corosync_stats_timer_handle);
qb_loop_stop (corosync_poll_handle);
serialize_lock ();
}
void corosync_shutdown_request (void)
@ -271,12 +257,10 @@ static struct totempg_group corosync_group = {
static void serialize_lock (void)
{
qb_thread_lock (serialize_lock_f);
}
static void serialize_unlock (void)
{
qb_thread_unlock (serialize_lock_f);
}
static void corosync_sync_completed (void)
@ -448,7 +432,6 @@ static void confchg_fn (
}
sync_in_process = 1;
cs_ipcs_sync_state_changed(sync_in_process);
serialize_lock ();
memcpy (&corosync_ring_id, ring_id, sizeof (struct memb_ring_id));
for (i = 0; i < left_list_entries; i++) {
@ -468,7 +451,6 @@ static void confchg_fn (
joined_list, joined_list_entries, ring_id);
}
}
serialize_unlock ();
if (abort_activate) {
sync_v2_abort ();
@ -869,21 +851,17 @@ static void deliver_fn (
service = id >> 16;
fn_id = id & 0xffff;
serialize_lock();
if (ais_service[service] == NULL && service == EVT_SERVICE) {
evil_deliver_fn (nodeid, service, fn_id, msg,
endian_conversion_required);
}
if (!ais_service[service]) {
serialize_unlock();
return;
}
if (fn_id >= ais_service[service]->exec_engine_count) {
log_printf(LOGSYS_LEVEL_WARNING, "discarded unknown message %d for service %d (max id %d)",
fn_id, service, ais_service[service]->exec_engine_count);
serialize_unlock();
return;
}
@ -899,8 +877,6 @@ static void deliver_fn (
ais_service[service]->exec_engine[fn_id].exec_handler_fn
(msg, nodeid);
serialize_unlock();
}
void main_get_config_modules(struct config_iface_ver0 ***modules, int *num)
@ -976,24 +952,9 @@ int corosync_sending_allowed (
sending_allowed = QB_TRUE;
} else if (pd->reserved_msgs && sync_in_process == 0) {
sending_allowed = QB_TRUE;
} else {
log_printf(LOGSYS_LEVEL_NOTICE,
"no tx: (have quorum) (FC req) reserved:%d sync:%d",
pd->reserved_msgs, sync_in_process);
}
} else {
log_printf(LOGSYS_LEVEL_NOTICE, "no tx: not quorate!");
}
/*
sending_allowed =
(corosync_quorum_is_quorate() == 1 ||
ais_service[service]->allow_inquorate == CS_LIB_ALLOW_INQUORATE) &&
((ais_service[service]->lib_engine[id].flow_control == CS_LIB_FLOW_CONTROL_NOT_REQUIRED) ||
((ais_service[service]->lib_engine[id].flow_control == CS_LIB_FLOW_CONTROL_REQUIRED) &&
(pd->reserved_msgs) &&
(sync_in_process == 0)));
*/
return (sending_allowed);
}
@ -1266,8 +1227,6 @@ int main (int argc, char **argv, char **envp)
hdb_handle_t object_runtime_handle;
enum e_ais_done flock_err;
serialize_lock_f = qb_thread_lock_create (QB_THREAD_LOCK_SHORT);
/* default configuration
*/
background = 1;

View File

@ -103,23 +103,11 @@ struct object_find_instance {
struct objdb_iface_ver0 objdb_iface;
struct list_head objdb_trackers_head;
static pthread_mutex_t objdb_mutex;
static pthread_mutexattr_t objdb_mutex_attr;
DECLARE_HDB_DATABASE (object_instance_database,NULL);
DECLARE_HDB_DATABASE (object_find_instance_database,NULL);
static void objdb_lock(void)
{
pthread_mutex_lock(&objdb_mutex);
}
static void objdb_unlock(void)
{
pthread_mutex_unlock(&objdb_mutex);
}
static int objdb_init (void)
{
hdb_handle_t handle;
@ -150,11 +138,6 @@ static int objdb_init (void)
list_init (&instance->track_head);
list_init (&objdb_trackers_head);
pthread_mutexattr_init(&objdb_mutex_attr);
pthread_mutexattr_settype(&objdb_mutex_attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&objdb_mutex, &objdb_mutex_attr);
hdb_handle_put (&object_instance_database, handle);
return (0);
@ -371,7 +354,6 @@ static int object_create (
int found = 0;
int i;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
parent_object_handle, (void *)&parent_instance);
if (res != 0) {
@ -445,7 +427,6 @@ static int object_create (
object_instance->object_handle,
object_instance->object_name,
object_instance->object_name_len);
objdb_unlock();
return (0);
error_put_destroy:
@ -458,7 +439,6 @@ error_object_put:
hdb_handle_put (&object_instance_database, parent_object_handle);
error_exit:
objdb_unlock();
return (-1);
}
@ -469,8 +449,6 @@ static int object_priv_set (
int res;
struct object_instance *object_instance;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&object_instance);
if (res != 0) {
@ -480,11 +458,9 @@ static int object_priv_set (
object_instance->priv = priv;
hdb_handle_put (&object_instance_database, object_handle);
objdb_unlock();
return (0);
error_exit:
objdb_unlock();
return (-1);
}
@ -505,8 +481,6 @@ static int object_key_create_typed(
size_t expected_size;
int test_size_by_type = CS_TRUE;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
@ -625,7 +599,6 @@ static int object_key_create_typed(
object_key_changed_notification(object_handle, key_name, key_len,
value, value_len, OBJECT_KEY_CREATED);
hdb_handle_put (&object_instance_database, object_handle);
objdb_unlock();
return (0);
error_put_key:
@ -638,7 +611,6 @@ error_put:
hdb_handle_put (&object_instance_database, object_handle);
error_exit:
objdb_unlock();
return (-1);
}
@ -728,12 +700,9 @@ static int object_destroy (
struct object_instance *instance;
unsigned int res;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
objdb_unlock();
return (res);
}
@ -750,7 +719,6 @@ static int object_destroy (
hdb_handle_put (&object_instance_database, object_handle);
hdb_handle_destroy (&object_instance_database, object_handle);
objdb_unlock();
return (res);
}
@ -762,7 +730,6 @@ static int object_valid_set (
struct object_instance *instance;
unsigned int res;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
@ -774,11 +741,9 @@ static int object_valid_set (
hdb_handle_put (&object_instance_database, object_handle);
objdb_unlock();
return (0);
error_exit:
objdb_unlock();
return (-1);
}
@ -790,7 +755,6 @@ static int object_key_valid_set (
struct object_instance *instance;
unsigned int res;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
@ -802,11 +766,9 @@ static int object_key_valid_set (
hdb_handle_put (&object_instance_database, object_handle);
objdb_unlock();
return (0);
error_exit:
objdb_unlock();
return (-1);
}
@ -828,7 +790,6 @@ static int object_find_create (
size_t ha_len;
size_t ha_used;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&object_instance);
if (res != 0) {
@ -893,7 +854,6 @@ static int object_find_create (
hdb_handle_put (&object_instance_database, object_handle);
hdb_handle_put (&object_find_instance_database, *object_find_handle);
objdb_unlock();
return (0);
error_ha_free:
@ -906,7 +866,6 @@ error_put:
hdb_handle_put (&object_instance_database, object_handle);
error_exit:
objdb_unlock();
return (-1);
}
@ -920,7 +879,6 @@ static int object_find_next (
unsigned int found = 0;
size_t pos;
objdb_lock();
res = hdb_handle_get (&object_find_instance_database,
object_find_handle, (void *)&object_find_instance);
if (res != 0) {
@ -954,11 +912,13 @@ static int object_find_next (
object_find_instance->handles_array_pos = pos;
hdb_handle_put (&object_find_instance_database, object_find_handle);
objdb_unlock();
return (found ? 0 : -1);
if (found) {
*object_handle = object_instance->object_handle;
res = 0;
}
return (res);
error_exit:
objdb_unlock();
return (-1);
}
@ -968,7 +928,6 @@ static int object_find_destroy (
struct object_find_instance *object_find_instance;
unsigned int res;
objdb_lock();
res = hdb_handle_get (&object_find_instance_database,
object_find_handle, (void *)&object_find_instance);
if (res != 0) {
@ -980,11 +939,9 @@ static int object_find_destroy (
hdb_handle_put(&object_find_instance_database, object_find_handle);
hdb_handle_destroy(&object_find_instance_database, object_find_handle);
objdb_unlock();
return (0);
error_exit:
objdb_unlock();
return (-1);
}
@ -1002,7 +959,6 @@ static int object_key_get_typed (
int found = 0;
size_t key_len = strlen(key_name);
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
@ -1031,11 +987,9 @@ static int object_key_get_typed (
}
hdb_handle_put (&object_instance_database, object_handle);
objdb_unlock();
return (res);
error_exit:
objdb_unlock();
return (-1);
}
@ -1079,7 +1033,6 @@ static int object_key_increment (
struct list_head *list;
int found = 0;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
@ -1145,11 +1098,9 @@ static int object_key_increment (
object_key_changed_notification (object_handle, key_name, key_len,
object_key->value, object_key->value_len, OBJECT_KEY_REPLACED);
}
objdb_unlock();
return (res);
error_exit:
objdb_unlock();
return (-1);
}
@ -1165,7 +1116,6 @@ static int object_key_decrement (
struct list_head *list;
int found = 0;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
@ -1232,11 +1182,9 @@ static int object_key_decrement (
object_key_changed_notification (object_handle, key_name, key_len,
object_key->value, object_key->value_len, OBJECT_KEY_REPLACED);
}
objdb_unlock();
return (res);
error_exit:
objdb_unlock();
return (-1);
}
@ -1252,7 +1200,6 @@ static int object_key_delete (
struct list_head *list;
int found = 0;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
@ -1285,11 +1232,9 @@ static int object_key_delete (
object_key_changed_notification(object_handle, key_name, key_len,
NULL, 0, OBJECT_KEY_DELETED);
}
objdb_unlock();
return (ret);
error_exit:
objdb_unlock();
return (-1);
}
@ -1308,8 +1253,6 @@ static int object_key_replace (
int found = 0;
int value_changed = 0;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
@ -1392,13 +1335,11 @@ static int object_key_replace (
object_key_changed_notification (object_handle, key_name, key_len,
new_value, new_value_len, OBJECT_KEY_REPLACED);
}
objdb_unlock();
return (ret);
error_put:
hdb_handle_put (&object_instance_database, object_handle);
error_exit:
objdb_unlock();
return (-1);
}
@ -1409,7 +1350,6 @@ static int object_priv_get (
int res;
struct object_instance *object_instance;
objdb_unlock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&object_instance);
if (res != 0) {
@ -1419,11 +1359,9 @@ static int object_priv_get (
*priv = object_instance->priv;
hdb_handle_put (&object_instance_database, object_handle);
objdb_unlock();
return (0);
error_exit:
objdb_unlock();
return (-1);
}
@ -1517,8 +1455,6 @@ static int object_key_iter_reset(hdb_handle_t object_handle)
unsigned int res;
struct object_instance *instance;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
@ -1527,11 +1463,9 @@ static int object_key_iter_reset(hdb_handle_t object_handle)
instance->iter_key_list = &instance->key_head;
hdb_handle_put (&object_instance_database, object_handle);
objdb_unlock();
return (0);
error_exit:
objdb_unlock();
return (-1);
}
@ -1547,8 +1481,6 @@ static int object_key_iter_typed (hdb_handle_t parent_object_handle,
struct list_head *list;
unsigned int found = 0;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
parent_object_handle, (void *)&instance);
if (res != 0) {
@ -1574,11 +1506,9 @@ static int object_key_iter_typed (hdb_handle_t parent_object_handle,
}
hdb_handle_put (&object_instance_database, parent_object_handle);
objdb_unlock();
return (res);
error_exit:
objdb_unlock();
return (-1);
}
@ -1614,8 +1544,6 @@ static int object_key_iter_from(hdb_handle_t parent_object_handle,
struct list_head *list;
unsigned int found = 0;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
parent_object_handle, (void *)&instance);
if (res != 0) {
@ -1648,11 +1576,9 @@ static int object_key_iter_from(hdb_handle_t parent_object_handle,
}
hdb_handle_put (&object_instance_database, parent_object_handle);
objdb_unlock();
return (res);
error_exit:
objdb_unlock();
return (-1);
}
@ -1663,12 +1589,9 @@ static int object_parent_get(hdb_handle_t object_handle,
struct object_instance *instance;
unsigned int res;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
objdb_unlock();
return (res);
}
@ -1678,7 +1601,6 @@ static int object_parent_get(hdb_handle_t object_handle,
*parent_handle = instance->parent_handle;
hdb_handle_put (&object_instance_database, object_handle);
objdb_unlock();
return (0);
}
@ -1690,11 +1612,9 @@ static int object_name_get(hdb_handle_t object_handle,
struct object_instance *instance;
unsigned int res;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
objdb_unlock();
return (res);
}
@ -1702,7 +1622,6 @@ static int object_name_get(hdb_handle_t object_handle,
*object_name_len = instance->object_name_len;
hdb_handle_put (&object_instance_database, object_handle);
objdb_unlock();
return (0);
}
@ -1801,11 +1720,9 @@ static int object_dump(hdb_handle_t object_handle,
struct object_instance *instance;
unsigned int res;
objdb_lock();
res = hdb_handle_get (&object_instance_database,
object_handle, (void *)&instance);
if (res != 0) {
objdb_unlock();
return (res);
}
@ -1813,7 +1730,6 @@ static int object_dump(hdb_handle_t object_handle,
hdb_handle_put (&object_instance_database, object_handle);
objdb_unlock();
return (res);
}
@ -1826,18 +1742,14 @@ static int object_write_config(const char **error_string)
main_get_config_modules(&modules, &num_modules);
objdb_lock();
for (i=0; i<num_modules; i++) {
if (modules[i]->config_writeconfig) {
res = modules[i]->config_writeconfig(&objdb_iface, error_string);
if (res) {
objdb_unlock();
return res;
}
}
}
objdb_unlock();
return 0;
}
@ -1851,19 +1763,15 @@ static int object_reload_config(int flush, const char **error_string)
main_get_config_modules(&modules, &num_modules);
object_reload_notification(OBJDB_RELOAD_NOTIFY_START, flush);
objdb_lock();
for (i=0; i<num_modules; i++) {
if (modules[i]->config_reloadconfig) {
res = modules[i]->config_reloadconfig(&objdb_iface, flush, error_string);
if (res) {
object_reload_notification(OBJDB_RELOAD_NOTIFY_FAILED, flush);
objdb_unlock();
return res;
}
}
}
objdb_unlock();
object_reload_notification(OBJDB_RELOAD_NOTIFY_END, flush);
return 0;
}