HOTFIX: force DFT wisdom save at exit

lib/include/srsran/common/signal_handler.h

@@ -33,6 +33,8 @@ extern "C" {
 static srslog::sink* log_sink = nullptr;
 static std::atomic<bool> running  = {true};
 
+void srsran_dft_exit();
+
 static void srsran_signal_handler(int signal)
 {
   switch (signal) {
@@ -43,6 +45,7 @@ static void srsran_signal_handler(int signal)
       if (log_sink) {
         log_sink->flush();
       }
+      srsran_dft_exit();
       raise(SIGKILL);
     default:
       // all other registered signals try to stop the app gracefully

lib/src/phy/dft/dft_fftw.c

@@ -71,7 +71,7 @@ __attribute__((constructor)) static void srsran_dft_load()
 }
 
 // This function is called in the ending of any executable where it is linked
-__attribute__((destructor)) static void srsran_dft_exit()
+__attribute__((destructor)) void srsran_dft_exit()
 {
 #ifdef FFTW_WISDOM_FILE
   char full_path[256];