ConnectDetach(), ConnectDetach_r()

Updated: May 06, 2022

Break a connection between a process and a channel

Synopsis:

#include <sys/neutrino.h>

int ConnectDetach( int coid );

int ConnectDetach_r( int coid );

Arguments:

coid
The connection ID of the connection you want to break.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The ConnectDetach() and ConnectDetach_r() kernel calls detach the connection specified by the coid argument.

When the connection is detached:

These functions are identical except in the way they indicate errors. See the Returns section for details.

Blocking states

These calls don't block.

Returns:

The only difference between these functions is the way they indicate errors:

ConnectDetach()
If an error occurs, the function returns -1 and sets errno. Any other value returned indicates success.
ConnectDetach_r()
EOK is returned on success. This function does NOT set errno. If an error occurs, the function returns a value in the Errors section.

Errors:

EINVAL
The connection specified by coid doesn't exist.

Classification:

QNX Neutrino

Safety:  
Cancellation point No
Interrupt handler No
Signal handler Yes
Thread Yes