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Remove listmanager code

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The code prevented scaling by imposing global spinlocks for the DCBs and
SESSIONs. Removing this list means that a thread-local list must be taken
into use to replace it.
This commit is contained in:
Markus Makela
2016-11-22 11:03:05 +02:00
parent e53b9585dd
commit 2efa862944
9 changed files with 222 additions and 378 deletions
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4
include/maxscale/session.h
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@ -37,7 +37,6 @@
#include <time.h>
#include <maxscale/atomic.h>
#include <maxscale/buffer.h>
#include <maxscale/listmanager.h>
#include <maxscale/spinlock.h>
#include <maxscale/resultset.h>
#include <maxscale/log_manager.h>
@ -160,7 +159,6 @@ typedef enum
*/
typedef struct session
{
LIST_ENTRY_FIELDS
skygw_chk_t ses_chk_top;
SPINLOCK ses_lock;
session_state_t state; /*< Current descriptor state */
@ -205,7 +203,6 @@ typedef struct session
(sess)->tail.session, (buf))
SESSION *session_alloc(struct service *, struct dcb *);
bool session_pre_alloc(int number);
SESSION *session_set_dummy(struct dcb *);
bool session_free(SESSION *);
int session_isvalid(SESSION *);
@ -220,7 +217,6 @@ void dprintSession(struct dcb *, SESSION *);
void dListSessions(struct dcb *);
char *session_state(session_state_t);
bool session_link_dcb(SESSION *, struct dcb *);
SESSION* get_session_by_router_ses(void* rses);
void session_enable_log_priority(SESSION* ses, int priority);
void session_disable_log_priority(SESSION* ses, int priority);
RESULTSET *sessionGetList(SESSIONLISTFILTER);