avoid vnf exit.

(cherry picked from commit 3b61302944ada2b6cb37a54a45476651b55a6a94)

nfapi/oai_integration/nfapi_vnf.c

@@ -357,7 +357,7 @@ int wake_eNB_rxtx(PHY_VARS_eNB *eNB, uint16_t sfn, uint16_t sf) {
   // lock the TX mutex and make sure the thread is ready
   if (pthread_mutex_timedlock(&L1_proc->mutex,&wait) != 0) {
       LOG_E( PHY, "[eNB] ERROR pthread_mutex_lock for eNB RXTX thread %d (IC %d)\n", L1_proc->subframe_rx&1,L1_proc->instance_cnt );
-      exit_fun( "error locking mutex_rxtx" );
+      //exit_fun( "error locking mutex_rxtx" );
       return(-1);
   }
   static int busy_log_cnt=0;
@@ -396,7 +396,7 @@ int wake_eNB_rxtx(PHY_VARS_eNB *eNB, uint16_t sfn, uint16_t sf) {
   // the thread can now be woken up
   if (pthread_cond_signal(&L1_proc->cond) != 0) {
     LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB RXn-TXnp4 thread\n");
-    exit_fun( "ERROR pthread_cond_signal" );
+    //exit_fun( "ERROR pthread_cond_signal" );
     return(-1);
   }