Merge lp:~tangent-org/libmemcached/1.0-build/ Build: jenkins-Libmemcached-192
[awesomized/libmemcached] / libtest / signal.h
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Data Differential YATL (i.e. libtest) library
4 *
5 * Copyright (C) 2012 Data Differential, http://datadifferential.com/
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met:
10 *
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * * Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following disclaimer
16 * in the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * * The names of its contributors may not be used to endorse or
20 * promote products derived from this software without specific prior
21 * written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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35 */
36
37 #pragma once
38
39 #include <pthread.h>
40 #include <semaphore.h>
41 #include <signal.h>
42
43 enum shutdown_t {
44 SHUTDOWN_RUNNING,
45 SHUTDOWN_GRACEFUL,
46 SHUTDOWN_FORCED
47 };
48
49 namespace libtest {
50
51 class SignalThread {
52 sigset_t set;
53 sem_t lock;
54 uint64_t magic_memory;
55 volatile shutdown_t __shutdown;
56 pthread_mutex_t shutdown_mutex;
57 pthread_t thread;
58 sigset_t original_set;
59
60 public:
61
62 SignalThread();
63 ~SignalThread();
64
65 void test();
66 void post();
67 bool setup();
68 bool unblock();
69
70 int wait(int& sig)
71 {
72 return sigwait(&set, &sig);
73 }
74
75 void set_shutdown(shutdown_t arg);
76 bool is_shutdown();
77 shutdown_t get_shutdown();
78 };
79
80 } // namespace libtest