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-rw-r--r--host/lib/utils/msg.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/host/lib/utils/msg.cpp b/host/lib/utils/msg.cpp
index de98ada64..95879a116 100644
--- a/host/lib/utils/msg.cpp
+++ b/host/lib/utils/msg.cpp
@@ -79,6 +79,8 @@ void uhd::msg::register_handler(const handler_t &handler){
}
static void default_msg_handler(uhd::msg::type_t type, const std::string &msg){
+ static boost::mutex msg_mutex;
+ boost::mutex::scoped_lock lock(msg_mutex);
switch(type){
case uhd::msg::fastpath:
std::cerr << msg << std::flush;