fix rfsimulator initialized variable, first pass on gNB scope, bugs

common/utils/simple_executable.h

@@ -1,7 +1,11 @@
 #ifndef __SIMPLE_EXE_H__
 #define __SIMPLE_EXE_H__
+#ifndef __USE_GNU
 #define __USE_GNU
+#endif
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 #include <stdio.h>
 #include <pthread.h>
 #include <sched.h>

common/utils/threadPool/thread-pool.h

@@ -204,7 +204,7 @@ static inline notifiedFIFO_elt_t *pullTpool(notifiedFIFO_t *responseFifo, tpool_
   if (t->measurePerf)
     msg->returnTime=rdtsc();
 
-  if (t->traceFd)
+  if (t->traceFd >= 0)
     if(write(t->traceFd, msg, sizeof(*msg)));
 
   return msg;