dat_ep_free(3dat) [sunos man page]
dat_ep_free(3DAT) Direct Access Transport Library Functions dat_ep_free(3DAT) NAME
dat_ep_free - destroy an instance of the Endpoint SYNOPSIS
cc [ flag... ] file... -ldat [ library... ] #include <dat/udat.h> DAT_RETURN dat_ep_free ( IN DAT_EP_HANDLE ep_handle ) PARAMETERS
ep_handle Handle for an instance of the Endpoint. DESCRIPTION
The dat_ep_free() function destroys an instance of the Endpoint. The Endpoint can be destroyed in any Endpoint state except Reserved, Passive Connection Pending, and Tentative Connection Pending. The destruction of the Endpoint can also cause the destruction of DTOs and RMRs posted to the Endpoint and not dequeued yet. This includes com- pletions for all outstanding and in-progress DTOs/RMRs. The Consumer must be ready for all completions that are not dequeued yet either still being on the Endpoint recv_evd_handle and request_evd_handle or not being there. The destruction of the Endpoint during connection setup aborts connection establishment. If the Endpoint is in the Reserved state, the Consumer shall first destroy the associated Reserved Service Point that transitions the End- point into the Unconnected state where the Endpoint can be destroyed. If the Endpoint is in the Passive Connection Pending state, the Con- sumer shall first reject the associated Connection Request that transitions the Endpoint into the Unconnected state where the Endpoint can be destroyed. If the Endpoint is in the Tentative Connection Pending state, the Consumer shall reject the associated Connection Request that transitions the Endpoint back to Provider control, and the Endpoint is destroyed as far as the Consumer is concerned. The freeing of an Endpoint also destroys an Event Stream for each of the associated Event Dispatchers. Use of the handle of the destroyed Endpoint in any subsequent operation except for the dat_ep_free() fails. RETURN VALUES
DAT_SUCCESS The operation was successful. DAT_INVALID_HANDLE The ep_handle parameter is invalid. DAT_INVALID_STATE Parameter in an invalid state. The Endpoint is in DAT_EP_STATE_RESERVED, DAT_EP_STATE_PASSIVE_CONNECTION_PENDING, or DAT_EP_STATE_TENTATIVE_CONNECTION_PENDING. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard: uDAPL, 1.1, 1.2 | +-----------------------------+-----------------------------+ |MT-Level |Unsafe | +-----------------------------+-----------------------------+ SEE ALSO
libdat(3LIB), attributes(5) SunOS 5.10 16 Jul 2004 dat_ep_free(3DAT)
Check Out this Related Man Page
dat_rsp_create(3DAT) Direct Access Transport Library Functions dat_rsp_create(3DAT) NAME
dat_rsp_create - create a Reserved Service Point SYNOPSIS
cc [ flag... ] file... -ldat [ library... ] #include <dat/udat.h> DAT_RETURN dat_rsp_create ( IN DAT_IA_HANDLE ia_handle, IN DAT_CONN_QUAL conn_qual, IN DAT_EP_HANDLE ep_handle, IN DAT_EVD_HANDLE evd_handle, OUT DAT_RSP_HANDLE *rsp_handle ) PARAMETERS
ia_handle Handle for an instance of DAT IA. conn_qual Connection Qualifier of the IA the Reserved Service Point listens to. ep_handle Handle for the Endpoint associated with the Reserved Service Point that is the only Endpoint that can accept a Connection Request on this Service Point. The value DAT_HANDLE_NULL requests the Provider to associate a Provider-created Endpoint with this Service Point. evd_handle The Event Dispatcher to which an event of Connection Request arrival is generated. rsp_handle Handle to an opaque Reserved Service Point. DESCRIPTION
The dat_rsp_create() function creates a Reserved Service Point with the specified Endpoint that generates, at most, one Connection Request that is delivered to the specified Event Dispatcher in a Notification event. RETURN VALUES
DAT_SUCCESS The operation was successful. DAT_INSUFFICIENT_RESOURCES The operation failed due to resource limitations. DAT_INVALID_HANDLE The ia_handle, evd_handle, or ep_handle parameter is invalid. DAT_INVALID_PARAMETER The conn_qual parameter is invalid. DAT_INVALID_STATE Parameter in an invalid state. For example, an Endpoint was not in the Idle state. DAT_CONN_QUAL_IN_USE Specified Connection Qualifier is in use. USAGE
The usage of a Reserve Service Point is as follows: o The DAT Consumer creates a Local Endpoint and configures it appropriately. o The DAT Consumer creates a Reserved Service Point specifying the Local Endpoint. o The Reserved Service Point performs the following: o Collects native transport information reflecting a received Connection Request. o Creates a Pending Connection Request. o Creates a Connection Request Notice (event) that includes the Pending Connection Request (which includes, among others, Reserved Service Point Connection Qualifier, its Local Endpoint, and information about remote Endpoint). o Delivers the Connection Request Notice to the Consumer-specified target (CNO) evd_handle. The Local Endpoint is transitioned from Reserved to Passive Connection Pending state. o Upon receiving a connection request, or at some time subsequent to that, the DAT Consumer must either accept() or reject() the Pending Connection Request. o If accepted, the original Local Endpoint is now in a Connected state and fully usable for this connection, pending only native transport mandated RTU messages. This includes binding it to the IA port if that was not done previously. The Consumer is noti- fied that the Endpoint is in a Connected state by a Connection Established Event on the Endpoint connect_evd_handle. o If rejected, the Local Endpoint point transitions into Unconnected state. The DAT Consumer can elect to destroy it or reuse it for other purposes. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard: uDAPL, 1.1, 1.2 | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
libdat(3LIB), attributes(5) SunOS 5.11 16 Jul 2004 dat_rsp_create(3DAT)