Technical Reference: Kernel and Subsystems, Volume 1

putcfl Kernel Service

Purpose

Frees the specified list of buffers.

Syntax

#include <sys/types.h>
#include <sys/errno.h>
#include <cblock.h>

void putcfl ( header) struct clist *header;

Parameter

header

Identifies which list of character buffers to free.

Description

The putcfl kernel service returns the specified list of buffers to the list of free character buffers. The putcfl service unpins the indicated character buffer.

Note

The caller of the putcfl service must ensure that the header and clist structure are pinned.

Execution Environment

The putcfl kernel service can be called from either the process or interrupt environment.

Return Values

The putcfl service has no return values.

Related Information

I/O Kernel Services in AIX 5L Version 5.2 Kernel Extensions and Device Support Programming Concepts.