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OpenSolaris 2009.06 - man page for scds_get_ext_property (opensolaris section 3ha)

scds_get_ext_property(3HA)				 Sun Cluster HA and Data Services				scds_get_ext_property(3HA)

scds_get_ext_property - retrieve an extension property
cc [flags...] -I /usr/cluster/include file -L /usr/cluster/lib -l dsdev #include <rgm/libdsdev.h> scha_err_t scds_get_ext_property(scds_handle_t handle, const char *property_name, scha_prop_type_t property_type, scha_extprop_value_t **property_value
The scds_get_ext_property() function retrieves the value of a given extension property. The name of the property is first looked up in the list of properties specified in the method argument list ( argv[], which was parsed by scds_initialize()). If the property name is not in the method argument list, it is retrieved using the Sun Cluster API. See scha_calls(3HA). Upon successful completion, the value of the property is placed in the appropriate variable in the union in a scha_extprop_value_t struc- ture and a pointer to this structure is passed back to the caller in property_value. You are responsible for freeing memory by using scds_free_ext_property(). You can find information about the data types scha_prop_type_t and scha_extprop_value_t in scha_calls(3HA) and in the <scha_types.h> header file. DSDL provides convenience functions to retrieve the values of some of the more commonly used resource extension properties. See the scds_property_functions(3HA) man page.
The following parameters are supported: handle The handle returned from scds_initialize(3HA) property_name Name of the property being retrieved property_type Property value type. Valid types are defined in scha_calls(3HA) and property_attributes(5). property_value Pointer to a property value
The scds_get_ext_property() function returns the following values: 0 The function succeeded. nonzero The function failed.
SCHA_ERR_PROP RTR file does not define the specified property. SCHA_ERR_NOERR The function succeeded. Other values Indicate that the function failed. See scha_calls(3HA) for the meaning of the failure codes.
Example 1 Using scds_get_ext_property() #include <scha_types.h> #include <libdsdev.h> #define INT_EXT_PROP "Int_extension_property" ... int retCode; scha_extprop_value_t *intExtProp; int retrievedValue; ... retCode = scds_get_ext_property(handle, INT_EXT_PROP, SCHA_PTYPE_INT, &intExtProp); if (retCode != SCHA_ERR_NOERR) { scds_syslog(LOG_ERR, "Failed to retrieve the extension property %s: %s.", INT_EXT_PROP, scds_error_string(retCode)); ... } else { retrievedValue = intExtProp->val.val_int; ... scds_free_ext_property(intExtProp); ... } ...
/usr/cluster/include/rgm/libdsdev.h Include file /usr/cluster/lib/ Library
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscdev | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+
scds_free_ext_property(3HA), scds_initialize(3HA), scds_property_functions(3HA), scha_calls(3HA), rt_reg(4), attributes(5), prop- erty_attributes(5)
Only the values of extension properties that are defined in the RTR file can be retrieved by using this function. See rt_reg(4). Sun Cluster 3.2 7 Sep 2007 scds_get_ext_property(3HA)

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