OpenDNSSEC-signer  1.3.9
worker.h
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1 /*
2  * $Id: worker.h 6162 2012-02-13 12:33:26Z jerry $
3  *
4  * Copyright (c) 2009 NLNet Labs. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
19  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
21  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
23  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
25  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  *
27  */
28 
34 #ifndef DAEMON_WORKER_H
35 #define DAEMON_WORKER_H
36 
37 #include "scheduler/task.h"
38 #include "shared/allocator.h"
39 #include "shared/locks.h"
40 
41 #include <time.h>
42 
47 };
48 typedef enum worker_enum worker_id;
49 
50 struct engine_struct;
51 
52 typedef struct worker_struct worker_type;
53 struct worker_struct {
61  time_t clock_in;
64  size_t jobs_failed;
65  int sleeping;
66  int waiting;
68  cond_basic_type worker_alarm;
70 };
71 
81  worker_id type);
82 
88 void worker_start(worker_type* worker);
89 
97 void worker_sleep(worker_type* worker, time_t timeout);
98 
107 void worker_sleep_unless(worker_type* worker, time_t timeout);
108 
114 void worker_wakeup(worker_type* worker);
115 
122 void worker_wait(lock_basic_type* lock, cond_basic_type* condition);
123 
131 void worker_wait_timeout(lock_basic_type* lock, cond_basic_type* condition,
132  time_t timeout);
133 
141 void worker_wait_timeout_locked(lock_basic_type* lock, cond_basic_type*
142  condition, time_t timeout);
143 
150 void worker_notify(lock_basic_type* lock, cond_basic_type* condition);
151 
158 void worker_notify_all(lock_basic_type* lock, cond_basic_type* condition);
159 
165 void worker_cleanup(worker_type* worker);
166 
167 #endif /* DAEMON_WORKER_H */