fixed warnings in darray_no_async.c

examples/c/darray_no_async.c

@@ -67,22 +67,6 @@ char dim_name[NDIM3][PIO_MAX_NAME + 1] = {"unlimted", "x", "y"};
 #define DECOMP_TITLE "Example Decomposition from darray_no_async.c"
 #define DECOMP_HISTORY "This file is created by the program darray_no_async in the PIO C library"
 
-/* Handle MPI errors. This should only be used with MPI library
- * function calls. */
-#define MPIERR(e) do {                                                  \
-	MPI_Error_string(e, err_buffer, &resultlen);			\
-	printf("MPI error, line %d, file %s: %s\n", __LINE__, __FILE__, err_buffer); \
-	MPI_Finalize();							\
-	return 2;							\
-    } while (0)
-
-/* Handle non-MPI errors by finalizing the MPI library and exiting
- * with an exit code. */
-#define ERR(e) do {				\
-	MPI_Finalize();				\
-	return e;				\
-    } while (0)
-
 /* Global err buffer for MPI. When there is an MPI error, this buffer
  * is used to store the error message that is associated with the MPI
  * error. */

src/clib/pio_error.h

@@ -55,7 +55,7 @@
         MPI_Error_string(e, err_buffer, &resultlen);                    \
         fprintf(stderr, "MPI error, line %d, file %s: %s\n", __LINE__, __FILE__, err_buffer); \
         MPI_Finalize();                                                 \
-        return ERR_AWFUL;                                               \
+        return PIO_EIO;                                                 \
     } while (0)
 
 /**