From a20c2cdfb50ae7296d5b43c093c3a06bd02ddb14 Mon Sep 17 00:00:00 2001
From: Dhanya Thattil <dhanya.thattil@psi.ch>
Date: Mon, 28 Jun 2021 17:57:10 +0200
Subject: [PATCH] locking

---
 .../eigerDetectorServer/slsDetectorFunctionList.c               | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c
index 108401023..5ac882454 100644
--- a/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c
@@ -2536,7 +2536,9 @@ void readFrame(int *ret, char *mess) {
     int isTransmitting = 1;
     while (isTransmitting) {
         // wait for feb processing to be done
+        sharedMemory_lockLocalLink();
         int i = Feb_Control_ProcessingInProgress();
+        sharedMemory_unlockLocalLink();
         if (i == STATUS_ERROR) {
             strcpy(mess, "Could not read feb processing done register\n");
             *ret = (int)FAIL;