/* * 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. */ /* * @(#) $Id$ */ /* * Server Work Tasks * * This structure is used by the server to track deferred work tasks. * * This information need not be preserved. * * Other Required Header Files * "list_link.h" */ #ifndef WORK_TASK_H #define WORK_TASK_H 1 #include #include #include "resizable_array.h" #define INITIAL_ALL_TASKS_SIZE 4 enum work_type { WORK_Immed, /* immediate action: see state */ WORK_Timed, /* action at certain time */ WORK_Deferred_Child, /* On Death of a Child */ WORK_Deferred_Reply, /* On reply to an outgoing service request */ WORK_Deferred_Local, /* On reply to a local service request */ WORK_Deferred_Other, /* various other events */ WORK_Deferred_Cmp /* Never set directly, used to indicate that */ /* a WORK_Deferred_Child is ready */ }; struct work_task *set_task(enum work_type type, long event_id, void (*func)(struct work_task *), void *parm, int get_lock); int dispatch_task(struct work_task *ptask); void delete_task(struct work_task *ptask); void clear_task(struct work_task *ptask); int task_is_in_threadpool(struct work_task *ptask); typedef struct all_tasks { resizable_array *ra; pthread_mutex_t *alltasks_mutex; } all_tasks; typedef struct timed_task { work_task *wt; long task_time; } timed_task; typedef struct work_task { all_tasks *wt_tasklist; pthread_mutex_t *wt_mutex; int wt_being_recycled; long wt_event; /* event id: time, pid, socket, ... */ enum work_type wt_type; /* type of event */ void (*wt_func) (struct work_task *); /* function to perform task */ void *wt_parm1; /* obj pointer for use by func */ void *wt_parm2; /* optional pointer for use by func */ void (*wt_parmfunc) (struct work_task *); /* used in reissue_to_svr to store wt_func */ int wt_aux; /* optional info: e.g. child status */ } work_task; void initialize_all_tasks_array(all_tasks *); int insert_task(all_tasks *, work_task *); int remove_task(all_tasks *,work_task *); int has_task(all_tasks *); int dispatch_timed_task(work_task *); work_task *pop_timed_task(time_t time_now); int insert_timed_task(all_tasks *, time_t task_time, work_task *); #define TASKS_TO_REMOVE 1000 #define MAX_TASKS_IN_RECYCLER 5000 typedef struct task_recycler { unsigned int next_id; all_tasks tasks; int iter; unsigned int max_id; pthread_mutex_t *mutex; } task_recycler; void initialize_task_recycler(); work_task *next_task_from_recycler(all_tasks *at, int *iter); void *remove_some_recycle_tasks(void *vp); int insert_task_into_recycler(struct work_task *ptask); #endif /* WORK_TASK_H */