PL.c File Reference

Implements the callable interface for the PL routines. More...

#include <IPBS/PL.h>
#include <IPBS/L.ih>
#include <IPBS/L_protos.h>
#include <IPBS/RW_protos.h>

Functions
int	PL_init (PL_ctl *pl, PL_type type, int nques)
	Initializes the list head of a doubly linked list to an empty list of the specified type.
int	PL_destroy (PL_ctl *pl)
	Destroys the data structures associate with a PL.

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Detailed Description

Implements the callable interface for the PL routines.

Author:

JJRussell - russell@slac.stanford.edu

    CVS $Id: PL.c,v 1.2 2011/03/25 21:14:42 saxton Exp $

This defines the callable interface for the Priority List routines.

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Function Documentation

int PL_destroy

(

PL_ctl *

pl

)

Destroys the data structures associate with a PL.

Parameters:

pl

Pointer to the PL to destroy.

This routine frees any resources the PL list gathered when it was initialized. The actual resources released depends on both the platform and whether blocking and timeouts were requested.

References _PL_ctl::rw, and RW_destroy().

Referenced by FORK_destroy().

int PL_init	(	PL_ctl *	pl,
		PL_type	type,
		int	nques
	)

Initializes the list head of a doubly linked list to an empty list of the specified type.

Parameters:

	pl	Pointer to the Priority Ques control structure to initialize.
	type	The type blocking/waiting, see PL_type
	nques	The number of ques to support

Return values:

	0,Success
	ENOMEM,Insufficient	memory
	ENOTSUP,Type	not supported.

References _PL_que::head, _PL_que::id, L_init(), _PL_ctl::mactive, _PL_ctl::mcfg, _PL_ctl::nques, _PL_que::pl, PL_NLIST, _PL_ctl::ques, _PL_ctl::rw, and RW_init().

Referenced by FORK_create().