[svn-r30105] Datatypes and Groups now support evict-on-close.

1 files changed, 30 insertions, 2 deletions

diff --git a/src/H5G.c b/src/H5G.c
index 9bbd43f..e4313fe 100644
--- a/src/H5G.c
+++ b/src/H5G.c
@@ -715,15 +715,29 @@ done:
 herr_t
 H5Gclose(hid_t group_id)
 {
-    herr_t ret_value = SUCCEED;         /* Return value */
+    H5G_t   *grp = NULL;            /* Group                            */
+    H5F_t   *file = NULL;           /* File                             */
+    hbool_t evict = FALSE;          /* Evict metadata on close?         */
+    haddr_t tag = HADDR_UNDEF;      /* Metadata tag for evictions       */
+    herr_t  ret_value = SUCCEED;    /* Return value                     */
 
     FUNC_ENTER_API(FAIL)
     H5TRACE1("e", "i", group_id);
 
     /* Check args */
-    if(NULL == H5I_object_verify(group_id,H5I_GROUP))
+    if(NULL == (grp = (H5G_t *)H5I_object_verify(group_id,H5I_GROUP)))
         HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a group")
 
+    /* Check if this is the last object reference and we'll be evicting
+     * on close. We need to cache this info since it will be gone after the
+     * decrement call frees the struct.
+     */
+    file = grp->oloc.file;
+    if(1 == grp->shared->fo_count && H5F_EVICT_ON_CLOSE(file)) {
+        evict = TRUE;
+        tag = grp->oloc.addr;
+    } /* end if */
+
     /*
      * Decrement the counter on the group atom.	 It will be freed if the count
      * reaches zero.
@@ -731,6 +745,20 @@ H5Gclose(hid_t group_id)
     if(H5I_dec_app_ref(group_id) < 0)
     	HGOTO_ERROR(H5E_SYM, H5E_CANTRELEASE, FAIL, "unable to close group")
 
+    /* Clean up metadata in the metadata cache if evicting on close */
+    if(evict && H5F_SHARED(file)) {
+//        printf("DUMPING CACHE - BEFORE FLUSH\n");
+//        H5AC_dump_cache(file);
+        if(H5AC_flush_tagged_metadata(file, tag, H5AC_ind_read_dxpl_id) < 0) 
+            HGOTO_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush tagged metadata")
+//        printf("DUMPING CACHE - BETWEEN FLUSH AND EVICT\n");
+//        H5AC_dump_cache(file);
+        if(H5AC_evict_tagged_metadata(file, tag, FALSE, H5AC_ind_read_dxpl_id) < 0) 
+            HGOTO_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to evict tagged metadata")
+//        printf("DUMPING CACHE - AFTER EVICT\n");
+//        H5AC_dump_cache(file);
+    } /* end if */
+
 done:
     FUNC_LEAVE_API(ret_value)
 } /* end H5Gclose() */