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Move persistent from dcb_close to dcb_add_to_zombieslist

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This commit is contained in:
counterpoint
2015-05-26 11:25:10 +01:00
parent d7cd40e5a5
commit 9d1b48da57
1 changed files with 29 additions and 26 deletions
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55
server/core/dcb.c
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@ -280,17 +280,33 @@ dcb_add_to_zombieslist(DCB *dcb)
spinlock_release(&zombiespin);
return;
}
/*<
* Add closing dcb to the top of the list.
*/
dcb->memdata.next = zombies;
zombies = dcb;
/*<
* Set state which indicates that it has been added to zombies
* list.
*/
succp = dcb_set_state(dcb, DCB_STATE_ZOMBIE, &prev_state);
ss_info_dassert(succp, "Failed to set DCB_STATE_ZOMBIE");
char *user;
user = session_getUser(dcb->session);
if (user && dcb->server)
{
dcb->user = strdup(user);
spinlock_acquire(&dcb->server->persistlock);
dcb->nextpersistent = dcb->server->persistent;
dcb->server->persistent = dcb;
spinlock_release(&dcb->server->persistlock);
atomic_add(&dcb->server->stats.n_persistent, 1);
}
else
{
/*<
* Add closing dcb to the top of the list.
*/
dcb->memdata.next = zombies;
zombies = dcb;
/*<
* Set state which indicates that it has been added to zombies
* list.
*/
succp = dcb_set_state(dcb, DCB_STATE_ZOMBIE, &prev_state);
ss_info_dassert(succp, "Failed to set DCB_STATE_ZOMBIE");
}
spinlock_release(&zombiespin);
}
@ -643,7 +659,7 @@ char *user;
LOGFILE_DEBUG,
"About to attempt to get a persistent connection DCB")));
dcb = server_get_persistent(server, user, protocol);
if (NULL != dcb)
if (dcb)
{
/**
* Link dcb to session. Unlink is called in dcb_final_free
@ -1243,7 +1259,7 @@ int above_water;
}
/**
* Removes dcb from poll set, and adds it to zombies list. As a consequense,
* Removes dcb from poll set, and adds it to zombies list. As a consequence,
* dcb first moves to DCB_STATE_NOPOLLING, and then to DCB_STATE_ZOMBIE state.
* At the end of the function state may not be DCB_STATE_ZOMBIE because once
* dcb_initlock is released parallel threads may change the state.
@ -1305,19 +1321,6 @@ dcb_close(DCB *dcb)
if (rc == 0)
{
char *user;
user = session_getUser(dcb->session);
if (user && dcb->server)
{
dcb->user = strdup(user);
spinlock_acquire(&dcb->server->persistlock);
dcb->nextpersistent = dcb->server->persistent;
dcb->server->persistent = dcb;
spinlock_release(&dcb->server->persistlock);
atomic_add(&dcb->server->stats.n_persistent, 1);
return;
}
/**
* close protocol and router session
*/