OpenDNSSEC-signer 1.2.1

/build/buildd-opendnssec_1.2.1.dfsg-1-mips-p9AT07/opendnssec-1.2.1.dfsg/signer/src/daemon/worker.h

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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 */