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authorQuincey Koziol <koziol@hdfgroup.org>2017-03-14 04:30:37 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2017-03-14 04:30:37 (GMT)
commit0313cbb91d974b153dbe8747d193ac3c619eea3b (patch)
treeaf6c4a631d5753685ee0033a6a8415a25fc97672 /src/H5Omessage.c
parent847d675f2743ec420ef6c9efdd6e52ae93b4fe44 (diff)
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Final merge of page buffering branch to develop
Diffstat (limited to 'src/H5Omessage.c')
-rw-r--r--src/H5Omessage.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/H5Omessage.c b/src/H5Omessage.c
index 376c888..7e6463a 100644
--- a/src/H5Omessage.c
+++ b/src/H5Omessage.c
@@ -2253,3 +2253,55 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5O_flush_msgs() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5O_msg_get_flags
+ *
+ * Purpose: Queries a message's message flags in the object header
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Vailin; Jan 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5O_msg_get_flags(const H5O_loc_t *loc, unsigned type_id, hid_t dxpl_id, uint8_t *flags)
+{
+ H5O_t *oh = NULL; /* Object header to use */
+ const H5O_msg_class_t *type; /* Actual H5O class type for the ID */
+ H5O_mesg_t *idx_msg; /* Pointer to message to modify */
+ unsigned idx; /* Index of message to modify */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(FAIL)
+
+ /* check args */
+ HDassert(loc);
+ HDassert(loc->file);
+ HDassert(H5F_addr_defined(loc->addr));
+ HDassert(type_id < NELMTS(H5O_msg_class_g));
+ type = H5O_msg_class_g[type_id]; /* map the type ID to the actual type object */
+ HDassert(type);
+
+ /* Get the object header */
+ if(NULL == (oh = H5O_protect(loc, dxpl_id, H5AC__READ_ONLY_FLAG, FALSE)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to protect object header")
+
+ /* Locate message of correct type */
+ for(idx = 0, idx_msg = &oh->mesg[0]; idx < oh->nmesgs; idx++, idx_msg++)
+ if(type == idx_msg->type)
+ break;
+
+ if(idx == oh->nmesgs)
+ HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "message type not found")
+
+ /* Set return value */
+ *flags = idx_msg->flags;
+
+done:
+ if(oh && H5O_unprotect(loc, dxpl_id, oh, H5AC__NO_FLAGS_SET) < 0)
+ HDONE_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to release object header")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_msg_get_flags() */