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-rw-r--r--src/H5VL.c33
1 files changed, 27 insertions, 6 deletions
diff --git a/src/H5VL.c b/src/H5VL.c
index 2cd5f02..5c62f6f 100644
--- a/src/H5VL.c
+++ b/src/H5VL.c
@@ -74,6 +74,9 @@
* Purpose: Registers a new VOL connector as a member of the virtual object
* layer class.
*
+ * VIPL_ID is a VOL initialization property list which must be
+ * created with H5Pcreate(H5P_VOL_INITIALIZE) (or H5P_DEFAULT).
+ *
* Return: Success: A VOL connector ID which is good until the
* library is closed or the connector is
* unregistered.
@@ -124,6 +127,9 @@ done:
* Purpose: Registers a new VOL connector as a member of the virtual object
* layer class.
*
+ * VIPL_ID is a VOL initialization property list which must be
+ * created with H5Pcreate(H5P_VOL_INITIALIZE) (or H5P_DEFAULT).
+ *
* Return: Success: A VOL connector ID which is good until the
* library is closed or the connector is
* unregistered.
@@ -168,6 +174,9 @@ done:
* Purpose: Registers a new VOL connector as a member of the virtual object
* layer class.
*
+ * VIPL_ID is a VOL initialization property list which must be
+ * created with H5Pcreate(H5P_VOL_INITIALIZE) (or H5P_DEFAULT).
+ *
* Return: Success: A VOL connector ID which is good until the
* library is closed or the connector is
* unregistered.
@@ -209,9 +218,9 @@ done:
*
* Purpose: Tests whether a VOL class has been registered or not
*
- * Return: >0 if the VOL class has been registered
- * 0 if it is unregistered
- * <0 on error (if the class is not a valid class ID)
+ * Return: >0 if a VOL connector with that name has been registered
+ * 0 if a VOL connector with that name has NOT been registered
+ * <0 on errors
*
* Programmer: Dana Robinson
* June 17, 2017
@@ -240,8 +249,12 @@ done:
*
* Purpose: Retrieves the ID for a registered VOL connector.
*
- * Return: Positive if the VOL class has been registered
- * Negative on error (if the class is not a valid class or not registered)
+ * Return: A valid VOL connector ID if a connector by that name has
+ * been registered. This ID will need to be closed using
+ * H5VLclose().
+ *
+ * H5I_INVALID_HID on error or if a VOL connector of that
+ * name has not been registered.
*
* Programmer: Dana Robinson
* June 17, 2017
@@ -269,7 +282,12 @@ done:
* Function: H5VLget_connector_name
*
* Purpose: Returns the connector name for the VOL associated with the
- * object or file ID
+ * object or file ID.
+ *
+ * This works like other calls where the caller must provide a
+ * buffer of the appropriate size for the library to fill in.
+ * i.e., passing in a NULL pointer for NAME will return the
+ * required size of the buffer.
*
* Return: Success: The length of the connector name
*
@@ -336,6 +354,9 @@ done:
* this VOL connector or files which are already opened under with
* this connector.
*
+ * The native VOL connector cannot be unregistered and attempts
+ * to do so are considered an error.
+ *
* Return: Success: Non-negative
*
* Failure: Negative