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AIXLink/X.25 1.1 for AIX: Guide and Reference
N_ERROR_ACK Primitive
Purpose
Provides notification of an error.
Structure
This primitive consists of one M_PROTO message block with the following structure:
typedef struct {
ulong PRIM_type;
ulong ERROR_prim;
ulong NPI_error;
ulong UNIX_error;
} N_error_ack_t;
Description
The N_ERROR_ACK primitive informs the application that a non-fatal error occurred in the previously issued primitive. This primitive can only be initiated as an acknowledgment for those primitives that require one. The N_ERROR_ACK primitive does not perform any action on the primitive that caused the error.
Parameters
| PRIM_type |
Specifies the N_ERROR_ACK primitive. |
| ERROR_prim |
Identifies the primitive that caused the error. |
| NPI_error |
Contains the network provider interface (NPI) error code. |
| UNIX_error |
Contains the system error code. This parameter can only be nonzero if the value of the NPI_error parameter is NSYSERR. |
Error Codes
The following error codes can be returned:
| NBADADDR |
Indicates the specified network address was in an incorrect format, or the address contained illegal information. |
| NBADOPT |
Indicates the specified options values were in an incorrect format or contained illegal information. |
| NNOADDR |
Indicates the NS provider could not allocate an address. |
| NOUTSTATE |
Indicates the primitive was issued from an invalid state. |
| NBADSEQ |
Indicates the specified sequence number was incorrect or illegal. |
| NBADDATA |
Indicates the specified amount of user data was outside the range supported by the NS provider. |
| NSYSERR |
Indicates a system error. The error is indicated in the primitive. |
| NNOTSUPPORT |
Indicates the specified primitive type is not known to the NS provider. |
| NODDCUD |
Indicates an odd-length call user data string. |
Implementation Specifics
The N_ERROR_ACK primitive is part of X.25 Licensed Program.
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