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Zombie processing had an risk of getting into an infinite loop.

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This commit is contained in:
vraatikka 2013-09-27 11:20:28 +03:00
parent 46c5564313
commit 1120ae9b2c
1 changed files with 3 additions and 7 deletions
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10
server/core/dcb.c
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@ -160,6 +160,7 @@ dcb_add_to_zombieslist(DCB *dcb)
if (dcb->state != DCB_STATE_NOPOLLING) {
ss_dassert(dcb->state != DCB_STATE_POLLING &&
dcb->state != DCB_STATE_LISTENING);
spinlock_release(&zombiespin);
return;
}
@ -251,14 +252,12 @@ void* rsession = NULL;
*/
{
SESSION *local_session = dcb->session;
#if 1
/**
* Remove reference from session if dcb is client.
*/
if (local_session->client == dcb) {
local_session->client = NULL;
}
#endif
dcb->session = NULL;
session_free(local_session);
}
@ -621,6 +620,7 @@ dcb_write(DCB *dcb, GWBUF *queue)
{
int w, saved_errno = 0;
ss_dassert(queue != NULL);
spinlock_acquire(&dcb->writeqlock);
if (dcb->writeq)
@ -700,10 +700,6 @@ int w, saved_errno = 0;
* queue with have.
*/
queue = gwbuf_consume(queue, w);
if (w < len)
{
/* We didn't write all the data */
}
skygw_log_write(
LOGFILE_TRACE,
"%lu [dcb_write] Wrote %d Bytes to dcb %p fd %d",
@ -718,7 +714,7 @@ int w, saved_errno = 0;
{
dcb->stats.n_buffered++;
}
}
} /* if (dcb->writeq) */
spinlock_release(&dcb->writeqlock);
if (queue && (saved_errno != EAGAIN || saved_errno != EWOULDBLOCK))