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_asyncmsg_connection_attr

Defines the connection attributes used to receive an asynchronous message

Synopsis:

struct _asyncmsg_connection_attr {
    int (*call_back)
    (int err, 
    void* buff, 
    unsigned handle);
    size_t buffer_size;
    unsigned max_num_buffer;
    unsigned trigger_num_msg;
    struct itimertrigger_timer;
};

Description:

The _asyncmsg_connection_attr structure describes connection attributes for use with asynchronous messaging.

The _asyncmsg_connection_attr structure includes these members:

*call_back

Callback function for notification.

err

The error status of the package.

buff

A pointer to the package buffer.

handle

A handle associated with the callback function.

buffer_size

The message buffer size.

max_num_buffer

The maximum number of buffers allowed for this connection.

trigger_num_msg

Uses the number of the pending message as triggering criteria.

trigger_timer

Uses the time passed since the last kernel call as triggering criteria.

Classification:

QNX Neutrino

See also:

asyncmsg_connect_attach(), asyncmsg_connect_attr()

Asynchronous Messaging Technote