Technical Reference: Kernel and Subsystems, Volume 1

crfree Kernel Service

Purpose

Releases a reference count on a credentials structure.

Syntax

#include <sys/cred.h>

void crfree ( cr) struct ucred * cr;

Parameter

cr	Pointer to the credentials structure that is to have a reference freed.

Description

The crfree kernel service deallocates a reference to a credentials structure. The credentials structure is deallocated when no references remain.

Note

The cr parameter must have been obtained by an earlier call to the crcopy kernel service, crdup kernel service, crget kernel service, or the crref kernel service.

Execution Environment

The crfree kernel service can be called from the process environment only.

Return Values

No value is returned by this kernel service.

Related Information

Security Kernel Services in AIX 5L Version 5.2 Kernel Extensions and Device Support Programming Concepts.