/* * OpenPBS (Portable Batch System) v2.3 Software License * * Copyright (c) 1999-2000 Veridian Information Solutions, Inc. * All rights reserved. * * --------------------------------------------------------------------------- * For a license to use or redistribute the OpenPBS software under conditions * other than those described below, or to purchase support for this software, * please contact Veridian Systems, PBS Products Department ("Licensor") at: * * www.OpenPBS.org +1 650 967-4675 sales@OpenPBS.org * 877 902-4PBS (US toll-free) * --------------------------------------------------------------------------- * * 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, * are permitted provided that all of the following conditions are met. * After December 31, 2001, only conditions 3-6 must be met: * * 1. Commercial and/or non-commercial use of the Software is permitted * provided a current software registration is on file at www.OpenPBS.org. * If use of this software contributes to a publication, product, or * service, proper attribution must be given; see www.OpenPBS.org/credit.html * * 2. Redistribution in any form is only permitted for non-commercial, * non-profit purposes. There can be no charge for the Software or any * software incorporating the Software. Further, there can be no * expectation of revenue generated as a consequence of redistributing * the Software. * * 3. Any Redistribution of source code must retain the above copyright notice * and the acknowledgment contained in paragraph 6, this list of conditions * and the disclaimer contained in paragraph 7. * * 4. Any Redistribution in binary form must reproduce the above copyright * notice and the acknowledgment contained in paragraph 6, this list of * conditions and the disclaimer contained in paragraph 7 in the * documentation and/or other materials provided with the distribution. * * 5. Redistributions in any form must be accompanied by information on how to * obtain complete source code for the OpenPBS software and any * modifications and/or additions to the OpenPBS software. The source code * must either be included in the distribution or be available for no more * than the cost of distribution plus a nominal fee, and all modifications * and additions to the Software must be freely redistributable by any party * (including Licensor) without restriction. * * 6. All advertising materials mentioning features or use of the Software must * display the following acknowledgment: * * "This product includes software developed by NASA Ames Research Center, * Lawrence Livermore National Laboratory, and Veridian Information * Solutions, Inc. * Visit www.OpenPBS.org for OpenPBS software support, * products, and information." * * 7. DISCLAIMER OF WARRANTY * * THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT * ARE EXPRESSLY DISCLAIMED. * * IN NO EVENT SHALL VERIDIAN CORPORATION, ITS AFFILIATED COMPANIES, OR THE * U.S. GOVERNMENT OR ANY OF ITS AGENCIES BE LIABLE FOR ANY DIRECT OR INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This license will be governed by the laws of the Commonwealth of Virginia, * without reference to its choice of law rules. */ #include #include "pbs_job.h" #include "utils.h" #include "threadpool.h" #include "ji_mutex.h" extern job_recycler recycler; extern int LOGLEVEL; void initialize_recycler() { recycler.rc_next_id = 0; initialize_all_jobs_array(&recycler.rc_jobs); recycler.rc_iter = -1; recycler.rc_mutex = (pthread_mutex_t *)calloc(1, sizeof(pthread_mutex_t)); pthread_mutex_init(recycler.rc_mutex,NULL); } /* END initialize_recycler() */ job *next_job_from_recycler( struct all_jobs *aj, int *iter) { job *pjob; pthread_mutex_lock(aj->alljobs_mutex); pjob = (job *)next_thing(aj->ra, iter); pthread_mutex_unlock(aj->alljobs_mutex); if (pjob != NULL) lock_ji_mutex(pjob, __func__, NULL, LOGLEVEL); return(pjob); } /* END next_job_from_recycler() */ void *remove_some_recycle_jobs( void *vp) { int i; int iter = -1; job *pjob = NULL; pthread_mutex_lock(recycler.rc_mutex); for (i = 0; i < JOBS_TO_REMOVE; i++) { pjob = next_job_from_recycler(&recycler.rc_jobs,&iter); if (pjob == NULL) break; if (LOGLEVEL >= 10) log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, __func__, pjob->ji_qs.ji_jobid); pjob->ji_being_recycled = FALSE; //Need to set the being_recycled flag to false or //or remove_job won't remove it. remove_job(&recycler.rc_jobs, pjob); unlock_ji_mutex(pjob, __func__, "1", LOGLEVEL); free(pjob->ji_mutex); memset(pjob, 255, sizeof(job)); free(pjob); } pthread_mutex_unlock(recycler.rc_mutex); return(NULL); } /* END remove_some_recycle_jobs() */ int insert_into_recycler( job *pjob) { int rc; pthread_mutex_t *tmp = pjob->ji_mutex; char log_buf[LOCAL_LOG_BUF_SIZE]; if (LOGLEVEL >= 7) { snprintf(log_buf, sizeof(log_buf), "Adding job %s to the recycler", pjob->ji_qs.ji_jobid); log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, __func__, log_buf); } if(pjob->ji_being_recycled == TRUE) { return PBSE_NONE; } memset(pjob, 0, sizeof(job)); pjob->ji_mutex = tmp; pthread_mutex_lock(recycler.rc_mutex); sprintf(pjob->ji_qs.ji_jobid,"%d",recycler.rc_next_id); pjob->ji_being_recycled = TRUE; if (recycler.rc_jobs.ra->num >= MAX_RECYCLE_JOBS) { enqueue_threadpool_request(remove_some_recycle_jobs,NULL); } rc = insert_job(&recycler.rc_jobs, pjob); update_recycler_next_id(); pthread_mutex_unlock(recycler.rc_mutex); return(rc); } /* END insert_into_recycler() */ job *get_recycled_job() { job *pjob; pthread_mutex_lock(recycler.rc_mutex); pjob = next_job_from_recycler(&recycler.rc_jobs,&recycler.rc_iter); if (pjob == NULL) recycler.rc_iter = -1; pthread_mutex_unlock(recycler.rc_mutex); if (pjob != NULL) pjob->ji_being_recycled = FALSE; return(pjob); } /* END get_recycled_job() */ void update_recycler_next_id() { recycler.rc_next_id++; } /* END update_recycler_next_id() */ /* END job_recycler.c */