diff --git a/src/ca/posix_depen.c b/src/ca/posix_depen.c
index 25a4a9299..97370c2fd 100644
--- a/src/ca/posix_depen.c
+++ b/src/ca/posix_depen.c
@@ -29,6 +29,9 @@
  *      Modification Log:
  *      -----------------
  * $Log$
+ * Revision 1.15  1995/08/22  00:22:07  jhill
+ * Dont recompute connection timers if the time stamp hasnt changed
+ *
  *
  */
 
@@ -54,41 +57,6 @@ void cac_gettimeval(struct timeval  *pt)
 	assert(status == 0);
 }
 
-
-/*
- *      CAC_MUX_IO()
- *
- *      Asynch notification of incomming messages under UNIX
- *      1) Wait no longer than timeout
- *      2) Return early if nothing outstanding
- *
- *
- */
-void cac_mux_io(struct timeval  *ptimeout)
-{
-        int                     count;
-        struct timeval          timeout;
-
-        cac_clean_iiu_list();
-
-	/*
-	 * manage search timers and detect disconnects
-	 */
-	manage_conn(TRUE);
-
-        timeout = *ptimeout;
-        do{
-                count = cac_select_io(
-                                &timeout,
-                                CA_DO_RECVS | CA_DO_SENDS);
-
-                ca_process_input_queue();
-                timeout.tv_sec = 0;
-                timeout.tv_usec = 0;
-        }
-        while(count>0);
-}
-
 
 /*
  * cac_block_for_io_completion()
diff --git a/src/ca/vms_depen.c b/src/ca/vms_depen.c
index 4f6d319c4..23075bcf0 100644
--- a/src/ca/vms_depen.c
+++ b/src/ca/vms_depen.c
@@ -29,6 +29,9 @@
  *      Modification Log:
  *      -----------------
  * $Log$
+ * Revision 1.17  1995/08/22  00:27:56  jhill
+ * added cvs style mod log
+ *
  *
  */
 
@@ -56,44 +59,6 @@ void cac_gettimeval(struct timeval  *pt)
 	assert(status==0);
 }
 
-
-/*
- * CAC_MUX_IO()
- *
- * 	Wait for send ready under VMS
- *	1) Wait no longer than timeout
- *
- *	Under VMS all recv's and input processing
- *	handled by ASTs
- */
-void cac_mux_io(struct timeval  *ptimeout)
-{
-        int                     count;
-        struct timeval          timeout;
-
-        cac_clean_iiu_list();
-
-	/*
-	 * manage search timers and detect disconnects
-	 */
-	manage_conn(TRUE);
-
-        timeout = *ptimeout;
-        do{
-		count = cac_select_io(
-				&timeout,
-				CA_DO_RECVS | CA_DO_SENDS);
-
-                ca_process_input_queue();
-
-		timeout.tv_sec = 0;
-		timeout.tv_usec = 0;
-        }
-        while(count>0);
-
-}
-
-
 
 /*
  * cac_block_for_io_completion()
diff --git a/src/ca/vxWorks_depen.c b/src/ca/vxWorks_depen.c
index 508b526fd..d23cdf4c3 100644
--- a/src/ca/vxWorks_depen.c
+++ b/src/ca/vxWorks_depen.c
@@ -29,6 +29,9 @@
  *      Modification Log:
  *      -----------------
  * $Log$
+ * Revision 1.19  1995/08/22  00:27:58  jhill
+ * added cvs style mod log
+ *
  *
  */
 
@@ -86,40 +89,6 @@ void cac_gettimeval(struct timeval  *pt)
         pt->tv_usec = ((current-sec*rate)*USEC_PER_SEC)/rate;
 }
 
-
-/*
- *      CAC_MUX_IO()
- *
- *      Asynch notification of send unblocked for vxWorks 
- *      1) Wait no longer than timeout
- *      2) Return early if nothing outstanding
- *
- *
- */
-void cac_mux_io(struct timeval  *ptimeout)
-{
-        int                     count;
-        struct timeval          timeout;
-
-#if NOASYNCRECV
-	cac_clean_iiu_list();
-#endif
-        timeout = *ptimeout;
-	do{
-		count = cac_select_io(
-				&timeout, 
-				CA_DO_SENDS | CA_DO_RECVS);
-		timeout.tv_usec = 0;
-		timeout.tv_sec = 0;
-	}
-	while(count>0);
-
-#if NOASYNCRECV 
-	ca_process_input_queue();
-	manage_conn(TRUE);
-#endif
-}
-
 
 /*
  * cac_block_for_io_completion()
@@ -878,12 +847,9 @@ void cac_recv_task(int  tid)
 #else
         	cac_clean_iiu_list();
 
-                timeout.tv_usec = 50000;
+                timeout.tv_usec = 10000;
                 timeout.tv_sec = 0;
-		count = cac_select_io(
-				&timeout, 
-				CA_DO_SENDS | CA_DO_RECVS);
-
+		count = cac_select_io(&timeout, CA_DO_RECVS);
 		ca_process_input_queue();
         	manage_conn(TRUE);
 #endif
diff --git a/src/ca/windows_depen.c b/src/ca/windows_depen.c
index 2a3acf0fb..83c1f707f 100644
--- a/src/ca/windows_depen.c
+++ b/src/ca/windows_depen.c
@@ -62,42 +62,6 @@ void cac_gettimeval(struct timeval  *pt)
 	pt->tv_usec = st.wMilliseconds*1000;
 }
 
-
-/*
- *      CAC_MUX_IO()
- *
- *      Asynch notification of incomming messages under UNIX
- *      1) Wait no longer than timeout
- *      2) Return early if nothing outstanding
- *
- *
- */
-void cac_mux_io(struct timeval  *ptimeout)
-{
-        int                     count;
-        struct timeval          timeout;
-
-        cac_clean_iiu_list();
-
-        timeout = *ptimeout;
-        do{
-                count = cac_select_io(
-                                &timeout,
-                                CA_DO_RECVS | CA_DO_SENDS);
-
-                ca_process_input_queue();
-
-                /*
-                 * manage search timers and detect disconnects
-                 */
-                manage_conn(TRUE);
-
-                timeout.tv_sec = 0;
-                timeout.tv_usec = 0;
-        }
-        while(count>0);
-}
-
 
 /*
  * cac_block_for_io_completion()