added a new parameter to the regresion test

src/ca/acctst.c

@@ -2111,7 +2111,8 @@ void verifyImmediateTearDown ()
     ca_task_exit ();
 }
 
-int acctst ( char *pName, unsigned channelCount, unsigned repetitionCount )
+int acctst ( char *pName, unsigned channelCount, 
+			unsigned repetitionCount, enum ca_preemptive_callback_select select )
 {
     chid chan;
     int status;
@@ -2125,6 +2126,9 @@ int acctst ( char *pName, unsigned channelCount, unsigned repetitionCount )
 
     verifyImmediateTearDown ();
 
+	status = ca_context_create ( select );
+    SEVCHK ( status, NULL );
+
     verifyDataTypeMacros ();
 
     connections = ca_get_ioc_connection_count ();

src/ca/acctstMain.c

@@ -2,15 +2,21 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "cadef.h"
 #include "caDiagnostics.h"
 
 int main ( int argc, char **argv )
 {
     unsigned channelCount;
     unsigned repetitionCount;
+	enum ca_preemptive_callback_select preempt;
+	int aBoolean;
 
-    if ( argc < 2 || argc > 4 ) {
-        printf ( "usage: %s <PV name> [channel count] [repetition count]\n", argv[0] );
+
+    if ( argc < 2 || argc > 5 ) {
+        printf ( 
+"usage: %s <PV name> [channel count] [repetition count] [enable preemptive callback]\n", 
+			argv[0] );
     }
 
     if ( argc >= 3 ) {
@@ -27,7 +33,20 @@ int main ( int argc, char **argv )
         repetitionCount = 1;
     }
 
-    acctst ( argv[1], channelCount, repetitionCount );
+    if ( argc >= 5 ) {
+        aBoolean = atoi ( argv[4] );
+    }
+    else {
+        aBoolean = 0;
+    }
+	if ( aBoolean ) {
+		preempt = ca_disable_preemptive_callback;
+	}
+	else {
+		preempt = ca_enable_preemptive_callback;
+	}
+
+    acctst ( argv[1], channelCount, repetitionCount, preempt );
 
     return 0;
 }

src/ca/caDiagnostics.h

@@ -7,7 +7,8 @@ extern "C" {
 enum appendNumberFlag {appendNumber, dontAppendNumber};
 int catime ( char *channelName, unsigned channelCount, enum appendNumberFlag appNF );
 
-int acctst ( char *pname, unsigned channelCount, unsigned repititionCount );
+int acctst ( char *pname, unsigned channelCount, unsigned repititionCount, 
+			enum ca_preemptive_callback_select select );
 
 #define CATIME_OK 0
 #define CATIME_ERROR -1