asyncmsg_channel_destroy()

Destroy an asynchronous message channel

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Asynchronous messaging is an experimental feature; for information about the use of experimental software, see the Commercial Software License Agreement (CSLA) or Partner Software License Agreement (PSLA) in the Licensing area of our website, http://www.qnx.com/legal/licensing/.

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Synopsis:

#include <sys/asyncmsg.h>

int asyncmsg_channel_destroy( int chid );

Arguments:

chid

The ID of the channel to destroy.

Library:

libasyncmsg

Use the -l asyncmsg option to qcc to link against this library.

Description:

The asyncmsg_channel_destroy() function destroys the asynchronous message channel specified by chid. If you provided a callback function when you called asyncmsg_channel_create(), asyncmsg_channel_destroy() invokes the callback to free any outstanding receive buffers; otherwise, asyncmsg_channel_destroy() uses free().

Returns:

EOK, or -1 if an error occurred (errno is set).

Errors:

EINVAL

The channel specified by chid doesn't exist.

Classification:

QNX Neutrino

See also:

asyncmsg_channel_create(), asyncmsg_connect_attach(), asyncmsg_connect_attr(), asyncmsg_connect_detach(), asyncmsg_flush(), asyncmsg_free(), asyncmsg_get(), asyncmsg_malloc(), asyncmsg_put(), asyncmsg_putv()

ChannelDestroy()

Asynchronous Messaging Technote