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authorQuincey Koziol <koziol@hdfgroup.org>2007-01-08 22:25:26 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2007-01-08 22:25:26 (GMT)
commitd978a22b36d148a17f331eb51d0e13ede524770a (patch)
treee27cd9e51275efdbc7e626f94b24942c8c2fd7bf /src
parenta4527a631c6713b491aff80a4604dc21500540c4 (diff)
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[svn-r13121] Description:
Add support & tests for using shared datatypes with shared & un-shared attributes. Involves some fairly icky code to make the "copy on write" paradigm for shared attributes work. Tested on: Linux/32 2.6 (chicago) Linux/64 2.6 (chicago2)
Diffstat (limited to 'src')
-rw-r--r--src/H5Adense.c22
-rw-r--r--src/H5Atest.c6
-rw-r--r--src/H5O.c7
-rw-r--r--src/H5Oattr.c28
-rw-r--r--src/H5Oattribute.c72
-rw-r--r--src/H5Oshared.c2
-rwxr-xr-xsrc/H5SM.c133
-rwxr-xr-xsrc/H5SMpkg.h22
-rwxr-xr-xsrc/H5SMprivate.h2
-rw-r--r--src/H5SMtest.c133
-rw-r--r--src/H5Tcommit.c3
-rw-r--r--src/H5Tpkg.h1
12 files changed, 247 insertions, 184 deletions
diff --git a/src/H5Adense.c b/src/H5Adense.c
index d64bb89..e4cf59e 100644
--- a/src/H5Adense.c
+++ b/src/H5Adense.c
@@ -801,9 +801,29 @@ H5A_dense_rename(H5F_t *f, hid_t dxpl_id, const H5O_t *oh, const char *old_name,
/* Should this attribute be written as a SOHM? */
/* (allows for attributes that change "shared" status) */
- if((shared_mesg = H5SM_try_share(f, dxpl_id, H5O_ATTR_ID, attr_copy)) > 0)
+ if((shared_mesg = H5SM_try_share(f, dxpl_id, H5O_ATTR_ID, attr_copy)) > 0) {
+ hsize_t attr_rc; /* Attribute's ref count in shared message storage */
+
/* Mark the message as shared */
mesg_flags |= H5O_MSG_FLAG_SHARED;
+
+ /* Retrieve ref count for shared attribute */
+ if(H5SM_get_refcount(f, dxpl_id, H5O_ATTR_ID, &attr_copy->sh_loc, &attr_rc) < 0)
+ HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't retrieve shared message ref count")
+
+ /* If the newly shared attribute needs to share "ownership" of the shared
+ * components (ie. its reference count is 1), increment the reference
+ * count on any shared components of the attribute, so that they won't
+ * be removed from the file. (Essentially a "copy on write" operation).
+ *
+ * *ick* -QAK, 2007/01/08
+ */
+ if(attr_rc == 1) {
+ /* Increment reference count on attribute components */
+ if(H5O_attr_link(f, dxpl_id, attr_copy) < 0)
+ HGOTO_ERROR(H5E_ATTR, H5E_LINKCOUNT, FAIL, "unable to adjust attribute link count")
+ } /* end if */
+ } /* end if */
else if(shared_mesg < 0)
HGOTO_ERROR(H5E_ATTR, H5E_WRITEERROR, FAIL, "error determining if message should be shared")
diff --git a/src/H5Atest.c b/src/H5Atest.c
index b2ee0d5..13d13f1 100644
--- a/src/H5Atest.c
+++ b/src/H5Atest.c
@@ -29,8 +29,6 @@
#define H5A_PACKAGE /*suppress error about including H5Apkg */
#define H5A_TESTING /*suppress warning about H5A testing funcs*/
-#define H5SM_PACKAGE /*suppress error about including H5SMpkg */
-#define H5SM_TESTING /*suppress warning about H5SM testing funcs*/
/***********/
@@ -40,7 +38,7 @@
#include "H5Apkg.h" /* Attributes */
#include "H5Eprivate.h" /* Error handling */
#include "H5Iprivate.h" /* IDs */
-#include "H5SMpkg.h" /* Shared object header messages */
+#include "H5SMprivate.h" /* Shared object header messages */
/****************/
@@ -140,7 +138,7 @@ H5A_get_shared_rc_test(hid_t attr_id, hsize_t *ref_count)
HDassert(H5O_attr_is_shared(attr));
/* Retrieve ref count for shared attribute */
- if(H5SM_get_refcount_test(attr->oloc.file, H5AC_ind_dxpl_id, H5O_ATTR_ID,
+ if(H5SM_get_refcount(attr->oloc.file, H5AC_ind_dxpl_id, H5O_ATTR_ID,
&attr->sh_loc, ref_count) < 0)
HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't retrieve shared message ref count")
diff --git a/src/H5O.c b/src/H5O.c
index e235405..103352e 100644
--- a/src/H5O.c
+++ b/src/H5O.c
@@ -933,11 +933,8 @@ int
H5O_link(const H5O_loc_t *loc, int adjust, hid_t dxpl_id)
{
H5O_t *oh = NULL;
- unsigned oh_flags = H5AC__NO_FLAGS_SET; /* used to indicate whether the
- * object was deleted as a result
- * of this action.
- */
- int ret_value = FAIL;
+ unsigned oh_flags = H5AC__NO_FLAGS_SET; /* Whether the object was deleted */
+ int ret_value; /* Return value */
FUNC_ENTER_NOAPI(H5O_link, FAIL)
diff --git a/src/H5Oattr.c b/src/H5Oattr.c
index 8d2aa18..d8f4a1b 100644
--- a/src/H5Oattr.c
+++ b/src/H5Oattr.c
@@ -662,23 +662,23 @@ H5O_attr_delete(H5F_t *f, hid_t dxpl_id, const void *_mesg, hbool_t adj_link)
* shared there.
*/
if((tri_ret = H5O_msg_is_shared(H5O_DTYPE_ID, attr->dt)) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_BADMESG, FAIL, "can't tell if datatype is shared")
+ HGOTO_ERROR(H5E_ATTR, H5E_BADMESG, FAIL, "can't tell if datatype is shared")
if(tri_ret > 0)
{
if(NULL == H5O_msg_get_share(H5O_DTYPE_ID, attr->dt, &sh_mesg))
- HGOTO_ERROR(H5E_OHDR, H5E_BADMESG, FAIL, "can't get shared message from datatype")
- if(H5SM_try_delete(f, H5AC_dxpl_id, H5O_DTYPE_ID, &sh_mesg) < 0)
- HGOTO_ERROR(H5E_SOHM, H5E_CANTREMOVE, FAIL, "can't remove datatype from SOHM heap")
+ HGOTO_ERROR(H5E_ATTR, H5E_BADMESG, FAIL, "can't get shared message from datatype")
+ if(H5SM_try_delete(f, dxpl_id, H5O_DTYPE_ID, &sh_mesg) < 0)
+ HGOTO_ERROR(H5E_ATTR, H5E_CANTREMOVE, FAIL, "can't remove datatype from SOHM heap")
} /* end if */
if((tri_ret = H5O_msg_is_shared(H5O_SDSPACE_ID, attr->ds)) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_BADMESG, FAIL, "can't tell if dataspace is shared")
+ HGOTO_ERROR(H5E_ATTR, H5E_BADMESG, FAIL, "can't tell if dataspace is shared")
if(tri_ret > 0)
{
if(NULL == H5O_msg_get_share(H5O_SDSPACE_ID, attr->ds, &sh_mesg))
- HGOTO_ERROR(H5E_OHDR, H5E_BADMESG, FAIL, "can't get shared message from dataspace")
- if(H5SM_try_delete(f, H5AC_dxpl_id, H5O_SDSPACE_ID, &sh_mesg) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_SOHM, FAIL, "can't remove dataspace from SOHM heap")
+ HGOTO_ERROR(H5E_ATTR, H5E_BADMESG, FAIL, "can't get shared message from dataspace")
+ if(H5SM_try_delete(f, dxpl_id, H5O_SDSPACE_ID, &sh_mesg) < 0)
+ HGOTO_ERROR(H5E_ATTR, H5E_SOHM, FAIL, "can't remove dataspace from SOHM heap")
} /* end if */
/* Check whether datatype is shared */
@@ -686,7 +686,7 @@ H5O_attr_delete(H5F_t *f, hid_t dxpl_id, const void *_mesg, hbool_t adj_link)
/* Decrement the reference count on the shared datatype, if requested */
if(adj_link)
if(H5T_link(attr->dt, -1, dxpl_id) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_LINKCOUNT, FAIL, "unable to adjust shared datatype link count")
+ HGOTO_ERROR(H5E_ATTR, H5E_LINKCOUNT, FAIL, "unable to adjust shared datatype link count")
} /* end if */
done:
@@ -733,7 +733,7 @@ H5O_attr_link(H5F_t *f, hid_t dxpl_id, const void *_mesg)
if(H5T_committed(attr->dt)) {
/* Increment the reference count on the shared datatype */
if(H5T_link(attr->dt, 1, dxpl_id) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_LINKCOUNT, FAIL, "unable to adjust shared datatype link count")
+ HGOTO_ERROR(H5E_ATTR, H5E_LINKCOUNT, FAIL, "unable to adjust shared datatype link count")
} /* end if */
done:
@@ -1155,7 +1155,6 @@ htri_t
H5O_attr_is_shared(const void *_mesg)
{
const H5A_t *mesg = (const H5A_t *)_mesg;
- htri_t ret_value;
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_attr_is_shared)
@@ -1165,12 +1164,7 @@ H5O_attr_is_shared(const void *_mesg)
* library read a "committed attribute" if we ever create one in
* the future.
*/
- if(H5O_IS_SHARED(mesg->sh_loc.flags))
- ret_value = TRUE;
- else
- ret_value = FALSE;
-
- FUNC_LEAVE_NOAPI(ret_value)
+ FUNC_LEAVE_NOAPI(H5O_IS_SHARED(mesg->sh_loc.flags))
} /* end H5O_attr_is_shared */
diff --git a/src/H5Oattribute.c b/src/H5Oattribute.c
index b1e8d31..ea77e26 100644
--- a/src/H5Oattribute.c
+++ b/src/H5Oattribute.c
@@ -235,9 +235,54 @@ HDfprintf(stderr, "%s: adding attribute, attr->name = '%s'\n", FUNC, attr->name)
HDassert(attr);
/* Should this message be written as a SOHM? */
- if((shared_mesg = H5SM_try_share(loc->file, dxpl_id, H5O_ATTR_ID, attr)) > 0)
+ if((shared_mesg = H5SM_try_share(loc->file, dxpl_id, H5O_ATTR_ID, attr)) > 0) {
+ hsize_t attr_rc; /* Attribute's ref count in shared message storage */
+
/* Mark the message as shared */
mesg_flags |= H5O_MSG_FLAG_SHARED;
+
+ /* Check whether datatype is committed */
+ /* (to maintain ref. count incr/decr similarity with "shared message"
+ * type of datatype sharing)
+ */
+ if(H5T_committed(attr->dt)) {
+ /* Increment the reference count on the shared datatype */
+ if(H5T_link(attr->dt, 1, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_LINKCOUNT, FAIL, "unable to adjust shared datatype link count")
+ } /* end if */
+
+ /* Retrieve ref count for shared attribute */
+ if(H5SM_get_refcount(loc->file, dxpl_id, H5O_ATTR_ID, &attr->sh_loc, &attr_rc) < 0)
+ HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't retrieve shared message ref count")
+
+ /* If this is not the first copy of the attribute in the shared message
+ * storage, decrement the reference count on any shared components
+ * of the attribute. This is done because the shared message
+ * storage's "try delete" call doesn't call the message class's
+ * "delete" callback until the reference count drops to zero.
+ * However, attributes have already increased the reference
+ * count on shared components before passing the attribute
+ * to the shared message code to manage, causing an assymetry
+ * in the reference counting for any shared components.
+ *
+ * The alternate solution is to have the shared message's "try
+ * delete" code always call the message class's "delete" callback,
+ * even when the reference count is positive. This can be done
+ * without an appreciable performance hit (by using H5HF_op() in
+ * the shared message comparison v2 B-tree callback), but it has
+ * the undesirable side-effect of leaving the reference count on
+ * the attribute's shared components artificially (and possibly
+ * misleadingly) high, because there's only one shared attribute
+ * referencing the shared components, not <refcount for the
+ * shared attribute> objects referencing the shared components.
+ *
+ * *ick* -QAK, 2007/01/08
+ */
+ if(attr_rc > 1) {
+ if(H5O_attr_delete(loc->file, dxpl_id, attr, TRUE) < 0)
+ HGOTO_ERROR(H5E_ATTR, H5E_CANTDELETE, FAIL, "unable to delete attribute")
+ } /* end if */
+ } /* end if */
else if(shared_mesg < 0)
HGOTO_ERROR(H5E_ATTR, H5E_WRITEERROR, FAIL, "error determining if message should be shared")
@@ -535,6 +580,7 @@ herr_t
H5O_attr_update_shared(H5F_t *f, hid_t dxpl_id, H5A_t *attr,
const H5O_shared_t *sh_mesg)
{
+ hsize_t attr_rc; /* Attribute's ref count in shared message storage */
htri_t shared_mesg; /* Whether the message should be shared */
herr_t ret_value = SUCCEED; /* Return value */
@@ -545,13 +591,6 @@ H5O_attr_update_shared(H5F_t *f, hid_t dxpl_id, H5A_t *attr,
HDassert(attr);
HDassert(sh_mesg);
- /* Increment reference count on attribute components */
- /* (Otherwise they may be deleted when the old attribute
- * message is removed from the shared message storage.)
- */
- if(H5O_attr_link(f, dxpl_id, attr) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_LINKCOUNT, FAIL, "unable to adjust attribute link count")
-
/* Store new version of message as a SOHM */
/* (should always work, since we're not changing the size of the attribute) */
if((shared_mesg = H5SM_try_share(f, dxpl_id, H5O_ATTR_ID, attr)) == 0)
@@ -559,6 +598,23 @@ H5O_attr_update_shared(H5F_t *f, hid_t dxpl_id, H5A_t *attr,
else if(shared_mesg < 0)
HGOTO_ERROR(H5E_ATTR, H5E_BADMESG, FAIL, "can't share attribute")
+ /* Retrieve shared message storage ref count for new shared attribute */
+ if(H5SM_get_refcount(f, dxpl_id, H5O_ATTR_ID, &attr->sh_loc, &attr_rc) < 0)
+ HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't retrieve shared message ref count")
+
+ /* If the newly shared attribute needs to share "ownership" of the shared
+ * components (ie. its reference count is 1), increment the reference
+ * count on any shared components of the attribute, so that they won't
+ * be removed from the file. (Essentially a "copy on write" operation).
+ *
+ * *ick* -QAK, 2007/01/08
+ */
+ if(attr_rc == 1) {
+ /* Increment reference count on attribute components */
+ if(H5O_attr_link(f, dxpl_id, attr) < 0)
+ HGOTO_ERROR(H5E_ATTR, H5E_LINKCOUNT, FAIL, "unable to adjust attribute link count")
+ } /* end if */
+
/* Remove the old attribute from the SOHM storage */
if(H5SM_try_delete(f, dxpl_id, H5O_ATTR_ID, sh_mesg) < 0)
HGOTO_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "unable to delete shared attribute in shared storage")
diff --git a/src/H5Oshared.c b/src/H5Oshared.c
index 6c5189d..68d3494 100644
--- a/src/H5Oshared.c
+++ b/src/H5Oshared.c
@@ -37,7 +37,7 @@
#include "H5HFprivate.h" /* Fractal heap */
#include "H5MMprivate.h" /* Memory management */
#include "H5Opkg.h" /* Object headers */
-#include "H5SMprivate.h" /* Shared messages */
+#include "H5SMprivate.h" /* Shared object header messages */
static void *H5O_shared_decode(H5F_t*, hid_t dxpl_id, const uint8_t*);
static herr_t H5O_shared_encode(H5F_t*, uint8_t*, const void*);
diff --git a/src/H5SM.c b/src/H5SM.c
index 6e5dba8..49052eb 100755
--- a/src/H5SM.c
+++ b/src/H5SM.c
@@ -1441,3 +1441,136 @@ H5SM_reconstitute(H5O_shared_t *sh_mesg, const uint8_t *heap_id)
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5SM_reconstitute() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5SM_get_refcount_bt2_cb
+ *
+ * Purpose: v2 B-tree 'find' callback to retrieve the record for a message
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, December 19, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5SM_get_refcount_bt2_cb(const void *_record, void *_op_data)
+{
+ const H5SM_sohm_t *record = (const H5SM_sohm_t *)_record; /* v2 B-tree record for message */
+ H5SM_sohm_t *op_data = (H5SM_sohm_t *)_op_data; /* "op data" from v2 B-tree find */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5SM_get_refcount_bt2_cb)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(record);
+ HDassert(op_data);
+
+ /* Make a copy of the record */
+ *op_data = *record;
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5SM_get_refcount_bt2_cb() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5SM_get_refcount
+ *
+ * Purpose: Retrieve the reference count for a message
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, December 19, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5SM_get_refcount(H5F_t *f, hid_t dxpl_id, unsigned type_id,
+ const H5O_shared_t *sh_mesg, hsize_t *ref_count)
+{
+ H5HF_t *fheap = NULL; /* Fractal heap that contains shared messages */
+ H5SM_master_table_t *table = NULL; /* SOHM master table */
+ H5SM_list_t *list = NULL; /* SOHM index list for message type (if in list form) */
+ H5SM_index_header_t *header=NULL; /* Index header for message type */
+ H5SM_mesg_key_t key; /* Key for looking up message */
+ H5SM_fh_ud_gh_t udata; /* User data for fractal heap 'op' callback */
+ H5SM_sohm_t message; /* Record for shared message */
+ ssize_t index_num; /* Table index for message type */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5SM_get_refcount)
+
+ /* Sanity check */
+ HDassert(f);
+ HDassert(sh_mesg);
+ HDassert(ref_count);
+
+ /* Look up the master SOHM table */
+ if(NULL == (table = (H5SM_master_table_t *)H5AC_protect(f, dxpl_id, H5AC_SOHM_TABLE, f->shared->sohm_addr, NULL, NULL, H5AC_READ)))
+ HGOTO_ERROR(H5E_CACHE, H5E_CANTPROTECT, FAIL, "unable to load SOHM master table")
+
+ /* Find the correct index and try to delete from it */
+ if((index_num = H5SM_get_index(table, type_id)) < 0)
+ HGOTO_ERROR(H5E_SOHM, H5E_NOTFOUND, FAIL, "unable to find correct SOHM index")
+ header = &(table->indexes[index_num]);
+
+ /* Open the heap that this message is in */
+ if(NULL == (fheap = H5HF_open(f, dxpl_id, header->heap_addr)))
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTOPENOBJ, FAIL, "unable to open fractal heap")
+
+ /* Prepare user data for callback */
+ udata.type_id = type_id;
+
+ /* Compute the hash value for the B-tree lookup */
+ if(H5HF_op(fheap, dxpl_id, &(sh_mesg->u.heap_id), H5SM_get_hash_fh_cb, &udata) < 0)
+ HGOTO_ERROR(H5E_HEAP, H5E_CANTGET, FAIL, "can't access message in fractal heap")
+
+ /* Set up key for message to locate */
+ key.hash = udata.hash;
+ key.encoding = NULL;
+ key.encoding_size = 0;
+ key.fheap = fheap;
+ key.mesg_heap_id = sh_mesg->u.heap_id;
+
+ /* Try to find the message in the index */
+ if(header->index_type == H5SM_LIST) {
+ size_t list_pos; /* Position of the message in the list */
+
+ /* If the index is stored as a list, get it from the cache */
+ if(NULL == (list = (H5SM_list_t *)H5AC_protect(f, dxpl_id, H5AC_SOHM_LIST, header->index_addr, NULL, header, H5AC_READ)))
+ HGOTO_ERROR(H5E_SOHM, H5E_CANTPROTECT, FAIL, "unable to load SOHM index")
+
+ /* Find the message in the list */
+ if((list_pos = H5SM_find_in_list(list, &key)) == UFAIL)
+ HGOTO_ERROR(H5E_SOHM, H5E_NOTFOUND, FAIL, "message not in index")
+
+ /* Copy the message */
+ message = list->messages[list_pos];
+ } /* end if */
+ else /* Index is a B-tree */
+ {
+ HDassert(header->index_type == H5SM_BTREE);
+
+ /* Look up the message in the v2 B-tree */
+ if(H5B2_find(f, dxpl_id, H5SM_INDEX, header->index_addr, &key, H5SM_get_refcount_bt2_cb, &message) < 0)
+ HGOTO_ERROR(H5E_SOHM, H5E_NOTFOUND, FAIL, "message not in index")
+ } /* end else */
+
+ /* Set the refcount for the message */
+ *ref_count = message.ref_count;
+
+done:
+ /* Release resources */
+ if(list && H5AC_unprotect(f, dxpl_id, H5AC_SOHM_LIST, header->index_addr, list, H5AC__NO_FLAGS_SET) < 0)
+ HDONE_ERROR(H5E_CACHE, H5E_CANTUNPROTECT, FAIL, "unable to close SOHM index")
+ if(table && H5AC_unprotect(f, dxpl_id, H5AC_SOHM_TABLE, f->shared->sohm_addr, table, H5AC__NO_FLAGS_SET) < 0)
+ HDONE_ERROR(H5E_CACHE, H5E_CANTRELEASE, FAIL, "unable to close SOHM master table")
+ if(fheap && H5HF_close(fheap, dxpl_id) < 0)
+ HDONE_ERROR(H5E_HEAP, H5E_CLOSEERROR, FAIL, "can't close fractal heap")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5SM_get_refcount() */
+
diff --git a/src/H5SMpkg.h b/src/H5SMpkg.h
index 1f790fe..e2e839b 100755
--- a/src/H5SMpkg.h
+++ b/src/H5SMpkg.h
@@ -97,24 +97,24 @@
/* Typedef for a SOHM index node */
typedef struct {
- uint32_t hash; /* Hash value for OHM */
- H5SM_fheap_id_t fheap_id; /* ID of the OHM in the fractal heap */
- hsize_t ref_count; /* Number of times this message is used */
+ uint32_t hash; /* Hash value for OHM */
+ H5SM_fheap_id_t fheap_id; /* ID of the OHM in the fractal heap */
+ hsize_t ref_count; /* Number of times this message is used */
} H5SM_sohm_t;
typedef enum {
H5SM_BADTYPE = -1,
- H5SM_LIST, /* Index is an unsorted list */
- H5SM_BTREE /* Index is a sorted B-tree */
+ H5SM_LIST, /* Index is an unsorted list */
+ H5SM_BTREE /* Index is a sorted B-tree */
} H5SM_index_type_t;
/* Typedef for searching an index (list or B-tree) */
typedef struct {
- uint32_t hash; /* The hash value for this message */
- const void *encoding; /* The message encoded */
- size_t encoding_size; /* Size of the encoding */
- H5HF_t *fheap; /* The heap for this message type, open. */
- H5SM_fheap_id_t mesg_heap_id; /* The heap_id for this message */
+ uint32_t hash; /* The hash value for this message */
+ const void *encoding; /* The message encoded */
+ size_t encoding_size; /* Size of the encoding */
+ H5HF_t *fheap; /* The heap for this message type, open. */
+ H5SM_fheap_id_t mesg_heap_id; /* The heap_id for this message */
} H5SM_mesg_key_t;
/* Typedef for a SOHM index header */
@@ -207,8 +207,6 @@ H5_DLL herr_t H5SM_get_hash_fh_cb(const void *obj, size_t obj_len, void *_udata)
/* Testing functions */
#ifdef H5SM_TESTING
-H5_DLL herr_t H5SM_get_refcount_test(H5F_t *f, hid_t dxpl_id, unsigned type_id,
- const H5O_shared_t *sh_mesg, hsize_t *ref_count);
H5_DLL herr_t H5SM_get_mesg_count_test(H5F_t *f, hid_t dxpl_id, unsigned type_id,
size_t *mesg_count);
#endif /* H5SM_TESTING */
diff --git a/src/H5SMprivate.h b/src/H5SMprivate.h
index 8d395df..679b59f 100755
--- a/src/H5SMprivate.h
+++ b/src/H5SMprivate.h
@@ -42,6 +42,8 @@ H5_DLL htri_t H5SM_type_shared(H5F_t *f, unsigned type_id, hid_t dxpl_id);
H5_DLL herr_t H5SM_get_fheap_addr(H5F_t *f, hid_t dxpl_id, unsigned type_id,
haddr_t *fheap_addr);
H5_DLL herr_t H5SM_reconstitute(H5O_shared_t *sh_mesg, const uint8_t *heap_id);
+H5_DLL herr_t H5SM_get_refcount(H5F_t *f, hid_t dxpl_id, unsigned type_id,
+ const H5O_shared_t *sh_mesg, hsize_t *ref_count);
#endif /*_H5SMprivate_H*/
diff --git a/src/H5SMtest.c b/src/H5SMtest.c
index 20a23e9..36832d3 100644
--- a/src/H5SMtest.c
+++ b/src/H5SMtest.c
@@ -63,139 +63,6 @@
/*-------------------------------------------------------------------------
- * Function: H5SM_get_refcount_bt2_cb
- *
- * Purpose: v2 B-tree 'find' callback to retrieve the record for a message
- *
- * Return: SUCCEED/FAIL
- *
- * Programmer: Quincey Koziol
- * Tuesday, December 19, 2006
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5SM_get_refcount_bt2_cb(const void *_record, void *_op_data)
-{
- const H5SM_sohm_t *record = (const H5SM_sohm_t *)_record; /* v2 B-tree record for message */
- H5SM_sohm_t *op_data = (H5SM_sohm_t *)_op_data; /* "op data" from v2 B-tree find */
-
- FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5SM_get_refcount_bt2_cb)
-
- /*
- * Check arguments.
- */
- HDassert(record);
- HDassert(op_data);
-
- /* Make a copy of the record */
- *op_data = *record;
-
- FUNC_LEAVE_NOAPI(SUCCEED)
-} /* end H5SM_get_refcount_bt2_cb() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5SM_get_refcount_test
- *
- * Purpose: Retrieve the reference count for a message
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Quincey Koziol
- * Tuesday, December 19, 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5SM_get_refcount_test(H5F_t *f, hid_t dxpl_id, unsigned type_id,
- const H5O_shared_t *sh_mesg, hsize_t *ref_count)
-{
- H5HF_t *fheap = NULL; /* Fractal heap that contains shared messages */
- H5SM_master_table_t *table = NULL; /* SOHM master table */
- H5SM_list_t *list = NULL; /* SOHM index list for message type (if in list form) */
- H5SM_index_header_t *header=NULL; /* Index header for message type */
- H5SM_mesg_key_t key; /* Key for looking up message */
- H5SM_fh_ud_gh_t udata; /* User data for fractal heap 'op' callback */
- H5SM_sohm_t message; /* Record for shared message */
- ssize_t index_num; /* Table index for message type */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5SM_get_refcount_test)
-
- /* Sanity check */
- HDassert(f);
- HDassert(sh_mesg);
- HDassert(ref_count);
-
- /* Look up the master SOHM table */
- if(NULL == (table = (H5SM_master_table_t *)H5AC_protect(f, dxpl_id, H5AC_SOHM_TABLE, f->shared->sohm_addr, NULL, NULL, H5AC_READ)))
- HGOTO_ERROR(H5E_CACHE, H5E_CANTPROTECT, FAIL, "unable to load SOHM master table")
-
- /* Find the correct index and try to delete from it */
- if((index_num = H5SM_get_index(table, type_id)) < 0)
- HGOTO_ERROR(H5E_SOHM, H5E_NOTFOUND, FAIL, "unable to find correct SOHM index")
- header = &(table->indexes[index_num]);
-
- /* Open the heap that this message is in */
- if(NULL == (fheap = H5HF_open(f, dxpl_id, header->heap_addr)))
- HGOTO_ERROR(H5E_HEAP, H5E_CANTOPENOBJ, FAIL, "unable to open fractal heap")
-
- /* Prepare user data for callback */
- udata.type_id = type_id;
-
- /* Compute the hash value for the B-tree lookup */
- if(H5HF_op(fheap, dxpl_id, &(sh_mesg->u.heap_id), H5SM_get_hash_fh_cb, &udata) < 0)
- HGOTO_ERROR(H5E_HEAP, H5E_CANTGET, FAIL, "can't access message in fractal heap")
-
- /* Set up key for message to locate */
- key.hash = udata.hash;
- key.encoding = NULL;
- key.encoding_size = 0;
- key.fheap = fheap;
- key.mesg_heap_id = sh_mesg->u.heap_id;
-
- /* Try to find the message in the index */
- if(header->index_type == H5SM_LIST) {
- size_t list_pos; /* Position of the message in the list */
-
- /* If the index is stored as a list, get it from the cache */
- if(NULL == (list = (H5SM_list_t *)H5AC_protect(f, dxpl_id, H5AC_SOHM_LIST, header->index_addr, NULL, header, H5AC_READ)))
- HGOTO_ERROR(H5E_SOHM, H5E_CANTPROTECT, FAIL, "unable to load SOHM index")
-
- /* Find the message in the list */
- if((list_pos = H5SM_find_in_list(list, &key)) == UFAIL)
- HGOTO_ERROR(H5E_SOHM, H5E_NOTFOUND, FAIL, "message not in index")
-
- /* Copy the message */
- message = list->messages[list_pos];
- } /* end if */
- else /* Index is a B-tree */
- {
- HDassert(header->index_type == H5SM_BTREE);
-
- /* Look up the message in the v2 B-tree */
- if(H5B2_find(f, dxpl_id, H5SM_INDEX, header->index_addr, &key, H5SM_get_refcount_bt2_cb, &message) < 0)
- HGOTO_ERROR(H5E_SOHM, H5E_NOTFOUND, FAIL, "message not in index")
- } /* end else */
-
- /* Set the refcount for the message */
- *ref_count = message.ref_count;
-
-done:
- /* Release resources */
- if(list && H5AC_unprotect(f, dxpl_id, H5AC_SOHM_LIST, header->index_addr, list, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_CACHE, H5E_CANTUNPROTECT, FAIL, "unable to close SOHM index")
- if(table && H5AC_unprotect(f, dxpl_id, H5AC_SOHM_TABLE, f->shared->sohm_addr, table, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_CACHE, H5E_CANTRELEASE, FAIL, "unable to close SOHM master table")
- if(fheap && H5HF_close(fheap, dxpl_id) < 0)
- HDONE_ERROR(H5E_HEAP, H5E_CLOSEERROR, FAIL, "can't close fractal heap")
-
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5SM_get_refcount_test() */
-
-
-/*-------------------------------------------------------------------------
* Function: H5SM_get_mesg_count_test
*
* Purpose: Retrieve the number of messages tracked of a certain type
diff --git a/src/H5Tcommit.c b/src/H5Tcommit.c
index 7415342..6ed7856 100644
--- a/src/H5Tcommit.c
+++ b/src/H5Tcommit.c
@@ -406,8 +406,7 @@ H5T_link(const H5T_t *type, int adjust, hid_t dxpl_id)
{
int ret_value; /* Return value */
- /* Use no-init for efficiency */
- FUNC_ENTER_NOAPI(H5T_link,FAIL)
+ FUNC_ENTER_NOAPI(H5T_link, FAIL)
HDassert(type);
HDassert(type->sh_loc.flags & H5O_COMMITTED_FLAG);
diff --git a/src/H5Tpkg.h b/src/H5Tpkg.h
index f8f03dc..14f77cf 100644
--- a/src/H5Tpkg.h
+++ b/src/H5Tpkg.h
@@ -41,7 +41,6 @@
#include "H5Fprivate.h" /* Files */
#include "H5FLprivate.h" /* Free Lists */
#include "H5Oprivate.h" /* Object headers */
-#include "H5SMprivate.h" /* Shared Messages */
/* Other public headers needed by this file */
#include "H5Spublic.h" /* Dataspace functions */