pthread_mutex_trylock

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6152 818b1a75-f10b-46b9-bf7c-635c3b92a50f

openair2/LAYER2/RLC/UM_v9.3.0/rlc_um_dar.c

@@ -763,7 +763,7 @@ void rlc_um_check_timer_dar_time_out(rlc_um_entity_t *rlc_pP, frame_t frameP, eN
                     rlc_pP->rb_id,
                     rlc_pP->vr_ur);
 #endif
-            pthread_mutex_lock(&rlc_pP->lock_dar_buffer);
+            if (pthread_mutex_trylock(&rlc_pP->lock_dar_buffer) == 0) {
                 old_vr_ur   = rlc_pP->vr_ur;
 
                 rlc_pP->vr_ur = rlc_pP->vr_ux;
@@ -806,6 +806,7 @@ void rlc_um_check_timer_dar_time_out(rlc_um_entity_t *rlc_pP, frame_t frameP, eN
                 pthread_mutex_unlock(&rlc_pP->lock_dar_buffer);
             }
         }
+    }
     vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_RLC_UM_CHECK_TIMER_DAR_TIME_OUT,VCD_FUNCTION_OUT);
 }
 //-----------------------------------------------------------------------------