Fixed an error in EARL

src/library/api/ear.c

@@ -30,7 +30,7 @@
 #include <pthread.h>
 #include <papi.h>
 
-//#define SHOW_DEBUGS 1
+#define SHOW_DEBUGS 1
 #include <common/config.h>
 #include <common/config/config_env.h>
 #include <common/colors.h>
@@ -230,6 +230,7 @@ void create_shared_regions()
 		lib_shared_region->num_signatures=0;
 	}
 	debug("Node connected %u",my_node_id);
+#if ONLY_MASTER == 0
 	#if MPI
 	if (PMPI_Barrier(MPI_COMM_WORLD)!=MPI_SUCCESS){
 		error("MPI_Barrier");
@@ -240,6 +241,7 @@ void create_shared_regions()
 		return;
 	}
 	#endif
+#endif
 	//print_lib_shared_data(lib_shared_region);
 	/* This region is for processes in the same node */
 	if (get_shared_signatures_path(tmp,shsignature_region_path)!=EAR_SUCCESS){
@@ -255,12 +257,14 @@ void create_shared_regions()
 	sig_shared_region[my_node_id].mpi_info.rank=ear_my_rank;
 	clean_my_mpi_info(&sig_shared_region[my_node_id].mpi_info);
 
+#if ONLY_MASTER == 0
 	#if MPI
 	if (PMPI_Barrier(MPI_COMM_WORLD)!=MPI_SUCCESS){
 		error("MPI_Barrier");
 		return;
 	}
 	#endif
+#endif
 	/* This part allocates memory for sharing data between nodes */
 	masters_info.ppn=malloc(masters_info.my_master_size*sizeof(int));
 	/* The node master, shares with other masters the number of processes in the node */
@@ -701,7 +705,6 @@ void ear_init()
 
 	if (!eard_ok) return;
 
-
 	if (!my_id){
 		debug("%sI'm the master, creating shared regions%s",COL_BLU,COL_CLR);
 		create_shared_regions();