QUERY_ATTACH_MANAGER

The QUERY_ATTACH_MANAGER verb can be used to discover the status of the Attach Manager component, which can be started and stopped using the ENABLE_ATTACH_MANAGER and DISABLE_ATTACH_MANAGER commands.

VCB Structure

typedef struct query_am
{
        unsigned short   opcode;          /* Verb operation code          */
        unsigned char    reserv2;         /* reserved                     */
        unsigned char    format;          /* format                       */
        unsigned short   primary_rc;      /* primary return code          */
        unsigned long    secondary_rc;    /* secondary return code        */
        unsigned short   active;          /* status of the Attach Manager */
} QUERY_AM;

Supplied Parameters

opcode
AP_QUERY_ATTACH_MGR
format
Identifies the format of the VCB. Set this field to zero to specify the version of the VCB listed above.

Returned Parameters

If the verb executes successfully, the following parameters are returned:
primary_rc
AP_OK
active
This field reports the status of the Attach Manager component:
AP_YES
The Attach Manager is active.
AP_NO
The Attach Manager is not active.
If the verb does not execute because of a parameter error, the following parameter is returned:
primary_rc
AP_PARAMETER_CHECK
If the verb does not execute because the node has not yet been started, the Attach Manager returns the following parameter:
primary_rc
AP_NODE_NOT STARTED
If the verb does not execute because of a system error, the Attach Manager returns the following parameter:
primary_rc
AP_UNEXPECTED_SYSTEM_ERROR