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Added spinlock protection for refcount increase in dcb_connect

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This commit is contained in:
Massimiliano Pinto
2013-09-04 10:00:40 +02:00
parent 8e97974216
commit db164be946
1 changed files with 10 additions and 2 deletions
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12
server/core/dcb.c
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@ -314,9 +314,17 @@ int val;
return NULL; return NULL;
} }
memcpy(&(dcb->func), funcs, sizeof(GWPROTOCOL)); memcpy(&(dcb->func), funcs, sizeof(GWPROTOCOL));
dcb->session = session;
val = atomic_add(&dcb->session->refcount, 1); /* Adding now the session refcount increase for the backend dcb.
* This operation is protected by the authspinlock.
* This spinlock could be used later in backend
* authentication.
*/
spinlock_acquire(&dcb->authlock);
val = atomic_add(&session->refcount, 1);
dcb->session = session;
spinlock_release(&dcb->authlock);
skygw_log_write( skygw_log_write(
LOGFILE_TRACE, LOGFILE_TRACE,
"%lu [dcb_connect] Increased DCB %p session %p refcount to %d.", "%lu [dcb_connect] Increased DCB %p session %p refcount to %d.",