OpenDNSSEC-signer 1.2.1
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00001 /* 00002 * $Id: worker.h 4294 2011-01-13 19:58:29Z jakob $ 00003 * 00004 * Copyright (c) 2009 NLNet Labs. All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 1. Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * 2. Redistributions in binary form must reproduce the above copyright 00012 * notice, this list of conditions and the following disclaimer in the 00013 * documentation and/or other materials provided with the distribution. 00014 * 00015 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 00016 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00017 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00018 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 00019 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00020 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 00021 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00022 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 00023 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 00024 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 00025 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00026 * 00027 */ 00028 00034 #ifndef DAEMON_WORKER_H 00035 #define DAEMON_WORKER_H 00036 00037 #include "scheduler/task.h" 00038 #include "scheduler/locks.h" 00039 #include "signer/zone.h" 00040 00041 #include <time.h> 00042 00043 #define WORKER_WORKER 1 00044 00045 struct engine_struct; 00046 00047 typedef struct worker_struct worker_type; 00048 struct worker_struct { 00049 int thread_num; 00050 se_thread_type thread_id; 00051 tasklist_type* tasklist; 00052 task_type* task; 00053 struct engine_struct* engineptr; 00054 int type; 00055 int sleeping; 00056 int waiting; 00057 int need_to_exit; 00058 cond_basic_type worker_alarm; 00059 lock_basic_type worker_lock; 00060 }; 00061 00069 worker_type* worker_create(int num, int type); 00070 00076 void worker_start(worker_type* worker); 00077 00084 void worker_perform_task(worker_type* worker, task_type* task); 00085 00091 void worker_cleanup(worker_type* worker); 00092 00100 void worker_sleep(worker_type* worker, time_t timeout); 00101 00107 void worker_wait(worker_type* worker); 00108 00114 void worker_wakeup(worker_type* worker); 00115 00121 void worker_notify(worker_type* worker); 00122 00123 #endif /* DAEMON_WORKER_H */