From 7966ede11b1eb038cbf0111f865bfbf830183c24 Mon Sep 17 00:00:00 2001
From: Robin Mueller <robin.mueller.m@gmail.com>
Date: Mon, 3 Apr 2023 21:57:18 +0200
Subject: [PATCH] add O_SYNC flag for UioMapper

---
 src/fsfw_hal/linux/uio/UioMapper.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fsfw_hal/linux/uio/UioMapper.cpp b/src/fsfw_hal/linux/uio/UioMapper.cpp
index 33e4fd97..c6da5488 100644
--- a/src/fsfw_hal/linux/uio/UioMapper.cpp
+++ b/src/fsfw_hal/linux/uio/UioMapper.cpp
@@ -36,7 +36,7 @@ UioMapper::~UioMapper() {}
 
 ReturnValue_t UioMapper::getMappedAdress(uint32_t** address, Permissions permissions) {
   ReturnValue_t result = returnvalue::OK;
-  int fd = open(uioFile.c_str(), O_RDWR);
+  int fd = open(uioFile.c_str(), O_RDWR | O_SYNC);
   if (fd < 1) {
 #if FSFW_CPP_OSTREAM_ENABLED == 1
     sif::error << "UioMapper::getMappedAdress: Invalid UIO device file " << uioFile << std::endl;