features: unify does not support file locking

Author: roblatham00

src/mpi/romio/adio/ad_unify/Makefile.mk

@@ -17,6 +17,7 @@ romio_other_sources +=                          \
     adio/ad_unify/ad_unify_flush.c \
     adio/ad_unify/ad_unify_delete.c \
     adio/ad_unify/ad_unify_fcntl.c \
-    adio/ad_unify/ad_unify_resize.c
+    adio/ad_unify/ad_unify_resize.c \
+    adio/ad_unify/ad_unify_feature.c
 
 endif BUILD_AD_UNIFY

src/mpi/romio/adio/ad_unify/ad_unify.c

@@ -37,7 +37,7 @@ struct ADIOI_Fns_struct ADIO_UNIFY_operations = {
     ADIOI_UNIFY_Flush,  /* Flush */
     ADIOI_UNIFY_Resize, /* Resize */
     ADIOI_UNIFY_Delete, /* Delete */
-    ADIOI_GEN_Feature,
+    ADIOI_UNIFY_Feature,
     "UNIFY: the burst-buffer file system",
     ADIOI_GEN_IreadStridedColl, /* IreadStridedColl */
     ADIOI_GEN_IwriteStridedColl,        /* IwriteStridedColl */

src/mpi/romio/adio/ad_unify/ad_unify.h

@@ -32,7 +32,7 @@ void ADIOI_UNIFY_Flush(ADIO_File fd, int *error_code);
 void ADIOI_UNIFY_Delete(const char *filename, int *error_code);
 void ADIOI_UNIFY_Resize(ADIO_File fd, ADIO_Offset size, int *error_code);
 void ADIOI_GEN_SetInfo(ADIO_File fd, MPI_Info users_info, int *error_code);
-int ADIOI_GEN_Feature(ADIO_File fd, int flag);
+int ADIOI_UNIFY_Feature(ADIO_File fd, int flag);
 
 void ADIOI_GEN_IReadContig(ADIO_File fd, void *buf, int count,
                            MPI_Datatype datatype, int file_ptr_type,

src/mpi/romio/adio/ad_unify/ad_unify_feature.c

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) by Argonne National Laboratory
+ *     See COPYRIGHT in top-level directory
+ */
+
+#include "adio.h"
+#include "ad_unify.h"
+
+int ADIOI_UNIFY_Feature(ADIO_File fd, int flag)
+{
+    switch (flag) {
+        case ADIO_SCALABLE_RESIZE:
+        case ADIO_TWO_PHASE:
+            return 1;
+        case ADIO_LOCKS:
+        case ADIO_SHARED_FP:
+        case ADIO_ATOMIC_MODE:
+        case ADIO_DATA_SIEVING_WRITES:
+        case ADIO_SCALABLE_OPEN:
+        case ADIO_SEQUENTIAL:
+        default:
+            return 0;
+    }
+}