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resmgr_ocb_iofuncs()
Extract the OCB and I/O function pointers associated with the client connection

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This User's Guide describes version 8.0 of the Integrated Development Environment (IDE) that's part of the QNX Tool Suite.
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QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running the QNX OS 8.0.
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        Extract the OCB and I/O function pointers associated with the client connection
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resmgr_ocb_iofuncs()

QNX SDP8.0C Library ReferenceAPIDeveloper

Extract the OCB and I/O function pointers associated with the client connection

Synopsis:

#include <sys/iofunc.h>
#include <sys/resmgr.h>

int resmgr_ocb_iofuncs( resmgr_context_t * const ctp,
                        void** ocb,
                        const resmgr_io_funcs_t** iofuncs );

Arguments:

ctp: A pointer to a resmgr_context_t structure that the resource-manager library uses to pass context information between functions.
ocb: NULL, or a pointer to a location where the function can store the OCB pointer.
iofuncs: NULL, or a pointer to a location where the function can store the I/O functions pointer.

Library:

libc

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

Description:

The resmgr_ocb_iofuncs() function combines the functionality of resmgr_ocb() and resmgr_iofuncs() into a single operation. Given a resmgr_context_t, this function queries the internal resource manager database, which maps client connections to the server Open Control Block (OCB), to retrieve the OCB pointer that was previously bound using resmgr_open_bind(), and the I/O functions. It stores pointers to them in the locations pointed to by ocb and iofuncs, respectively.

Returns:

0 on success, or -1 if an error occurred (errno is set).

Classification:


Safety:
Cancellation point	No
Signal handler	No
Thread	Yes

Page updated: August 11, 2025