prev_job_info.c

openPBS的开放源代码

/*
*         OpenPBS (Portable Batch System) v2.3 Software License
* 
* Copyright (c) 1999-2000 Veridian Information Solutions, Inc.
* All rights reserved.
* 
* ---------------------------------------------------------------------------
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* please contact Veridian Systems, PBS Products Department ("Licensor") at:
* 
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* 
* This license covers use of the OpenPBS v2.3 software (the "Software") at
* your site or location, and, for certain users, redistribution of the
* Software to other sites and locations.  Use and redistribution of
* OpenPBS v2.3 in source and binary forms, with or without modification,
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* 
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* U.S. GOVERNMENT OR ANY OF ITS AGENCIES BE LIABLE FOR ANY DIRECT OR INDIRECT,
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*/

#include <stdio.h>
#include <stdlib.h>
#include "prev_job_info.h"
#include "job_info.h"

static char *ident = "$Id: prev_job_info.c,v 2.1.10.4 2000/08/09 00:19:01 hender Exp $";

/*
 *
 *	create_prev_job_info - create the prev_job_info array from an array 
 *				of jobs
 *
 *	  jinfo_arr - job_info array
 *	  size - size of jinfo_arr or UNSPECIFIED if unknown
 *
 *	returns new prev_job_array
 *
 *	NOTE: jinfo_arr is modified
 *
 */
prev_job_info *create_prev_job_info( job_info **jinfo_arr, int size )
{
  prev_job_info *new;		/* new prev_job_info array */
  int local_size;		/* the size of the array */
  int i;

  if( size == UNSPECIFIED )
  {
    for( i = 0; jinfo_arr[i] != NULL; i++ )
	; 
    
    local_size = i;
  }
  else 
    local_size = size;

  if( ( new = (prev_job_info *) malloc( sizeof( prev_job_info)  * local_size ) ) == NULL )
  {
    fprintf(stderr, "Error allocating memory\n");
    return NULL;
  }

  for( i = 0; jinfo_arr[i] != NULL; i++ )
  {
    new[i].name = jinfo_arr[i] -> name;
    new[i].resused = jinfo_arr[i] -> resused;
    new[i].account = jinfo_arr[i] -> account;
    new[i].ginfo = jinfo_arr[i] -> ginfo;

    /* so the memory is not freed at the end of the scheduling cycle */
    jinfo_arr[i] -> name = NULL;
    jinfo_arr[i] -> resused = NULL;
    jinfo_arr[i] -> account = NULL;
  }

  return new;
}

/*
 *
 *	free_prev_job_info - free a prev_job_info struct
 *
 *	  pjinfo - prev_job_info to free
 *
 *	returns nothing
 *
 */
void free_prev_job_info( prev_job_info *pjinfo )
{
  if( pjinfo -> name != NULL )
    free(pjinfo -> name);
  
  if( pjinfo -> account != NULL )
    free(pjinfo -> account);
  
  free_resource_req_list( pjinfo -> resused );
}

/*
 *
 *	free_pjobs - free a list of prev_job_info structs
 *
 *	  pjinfo_arr - array of prev_job_info structs to free
 *
 *	returns nothing
 *
 */
void free_pjobs( prev_job_info *pjinfo_arr, int size )
{
  int i;

  if( pjinfo_arr == NULL )
    return;
  
  for( i = 0; i < size; i++ )
    free_prev_job_info( &pjinfo_arr[i] );
  
  free(pjinfo_arr);
}