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authorQuincey Koziol <koziol@hdfgroup.org>2005-03-11 04:01:49 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2005-03-11 04:01:49 (GMT)
commit330a3f1fcb16bcc61c525bb81aa2d4db907974c7 (patch)
treee8ba6b064af994f3b64534b18c8246b0ac420d59 /src/H5BT.c
parentda3eeee908eb6f6432b7fb15ce211c890d097dd5 (diff)
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[svn-r10190] Purpose:
New feature Description: Add query for the total size of blocks tracked Platforms tested: FreeBSD 4.11 (sleipnir) Solaris 2.9 (shanti)
Diffstat (limited to 'src/H5BT.c')
-rw-r--r--src/H5BT.c48
1 files changed, 46 insertions, 2 deletions
diff --git a/src/H5BT.c b/src/H5BT.c
index 89a31c5..bef571c 100644
--- a/src/H5BT.c
+++ b/src/H5BT.c
@@ -44,7 +44,7 @@
/* If this flag is not set, then only part of the blocks have been */
/* searched to determine the current maximum block size. This can happen */
/* during block shrinks or removals */
-#define H5BT_STATUS_MIN_VALID 0x01 /* Minimum block size valid over all blocks tracked */
+#define H5BT_STATUS_MIN_VALID 0x02 /* Minimum block size valid over all blocks tracked */
/* If this flag is not set, then only part of the blocks have been */
/* searched to determine the current minimum block size. This can happen */
/* during block expansions or removals */
@@ -242,7 +242,7 @@ HGOTO_ERROR(H5E_BLKTRK, H5E_UNSUPPORTED, FAIL, "lower or upper block found!")
bt->status |= H5BT_STATUS_MAX_VALID;
bt->min_block_size = length;
bt->min_block_cnt = 1;
- bt->status |= H5BT_STATUS_MAX_VALID;
+ bt->status |= H5BT_STATUS_MIN_VALID;
} /* end if */
else {
/* Update maximum block size */
@@ -273,3 +273,47 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5BT_insert() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5BT_get_total_size
+ *
+ * Purpose: Query the total amount of bytes tracked
+ *
+ * Return: Non-negative on success, negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Mar 10 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5BT_get_total_size(H5F_t *f, hid_t dxpl_id, haddr_t addr, hsize_t *tot_size)
+{
+ H5BT_t *bt = NULL; /* The new B-tree header information */
+ herr_t ret_value=SUCCEED;
+
+ FUNC_ENTER_NOAPI(H5BT_get_total_size, FAIL)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(f);
+ HDassert(H5F_addr_defined(addr));
+ HDassert(tot_size);
+
+ /* Look up the block tracker header */
+ if (NULL == (bt = H5AC_protect(f, dxpl_id, H5AC_BLTR, addr, NULL, NULL, H5AC_READ)))
+ HGOTO_ERROR(H5E_BLKTRK, H5E_CANTPROTECT, FAIL, "unable to load block tracker info")
+
+ /* Save total number of bytes tracked in all blocks */
+ *tot_size = bt->tot_block_size;
+
+done:
+ /* Release the block tracker info */
+ if (bt && H5AC_unprotect(f, dxpl_id, H5AC_BLTR, addr, bt, H5AC__NO_FLAGS_SET) < 0)
+ HDONE_ERROR(H5E_BLKTRK, H5E_CANTUNPROTECT, FAIL, "unable to release block tracker info")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5BT_get_total_size() */
+