From 24367fb4002b0bcb8006b6994b0795c915475a67 Mon Sep 17 00:00:00 2001
From: vraatikka <vilho.raatikka@skysql.com>
Date: Mon, 19 Aug 2013 13:01:07 +0300
Subject: [PATCH] Removed dcb->mutex since it didn't solve any problem.

---
 server/core/dcb.c    | 1 -
 server/core/poll.c   | 7 -------
 server/include/dcb.h | 1 -
 3 files changed, 9 deletions(-)

diff --git a/server/core/dcb.c b/server/core/dcb.c
index 73d7948ce..5e6912ce3 100644
--- a/server/core/dcb.c
+++ b/server/core/dcb.c
@@ -95,7 +95,6 @@ DCB	*rval;
 	rval->data = NULL;
 	rval->protocol = NULL;
 	rval->session = NULL;
-        simple_mutex_init(&rval->mutex, "dcb mutex");
 	memset(&rval->stats, 0, sizeof(DCBSTATS));	// Zero the statistics
 	bitmask_init(&rval->memdata.bitmask);
 	rval->memdata.next = NULL;
diff --git a/server/core/poll.c b/server/core/poll.c
index 353da62a8..839c32f86 100644
--- a/server/core/poll.c
+++ b/server/core/poll.c
@@ -195,9 +195,6 @@ bool                    no_op = FALSE;
 			{
 				DCB 		*dcb = (DCB *)events[i].data.ptr;
 				__uint32_t	ev = events[i].events;
-                                simple_mutex_t* mutex = &dcb->mutex;
-
-                                simple_mutex_lock(mutex, TRUE);
                                 
                                 skygw_log_write(
                                         LOGFILE_TRACE,
@@ -210,7 +207,6 @@ bool                    no_op = FALSE;
                                                 LOGFILE_TRACE,
                                                 "%lu [poll_waitevents] dcb is zombie",
                                                 pthread_self());
-                                        simple_mutex_unlock(mutex);
                                         continue;
                                 }
 
@@ -219,7 +215,6 @@ bool                    no_op = FALSE;
 					atomic_add(&pollStats.n_error, 1);
 					dcb->func.error(dcb);
 					if (DCB_ISZOMBIE(dcb)) {
-                                                simple_mutex_unlock(mutex);
 						continue;
                                         }
 				}
@@ -228,7 +223,6 @@ bool                    no_op = FALSE;
 					atomic_add(&pollStats.n_hup, 1);
 					dcb->func.hangup(dcb);
 					if (DCB_ISZOMBIE(dcb)) {
-                                                simple_mutex_unlock(mutex);
 						continue;
                                         }
 				}
@@ -267,7 +261,6 @@ bool                    no_op = FALSE;
 						dcb->func.read(dcb);
 					}
 				}
-                                simple_mutex_unlock(mutex);
 			} /**< for */
                         no_op = FALSE;
 		}
diff --git a/server/include/dcb.h b/server/include/dcb.h
index 332bfbf4b..f55fdb9d0 100644
--- a/server/include/dcb.h
+++ b/server/include/dcb.h
@@ -134,7 +134,6 @@ typedef struct {
  * gateway may be selected to execute the required actions when a network event occurs.
  */
 typedef struct dcb {
-        simple_mutex_t  mutex;          /**< Protects dcb processing. Coarse and temporary? */
 	int		fd;		/**< The descriptor */
 	int 		state;		/**< Current descriptor state */
 	char		*remote;	/**< Address of remote end */