08ac787cf2838b11f2a54d9fc477aa28b09b01e4
[m6w6/libmemcached] / libtest / alarm.cc
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
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 */
36
37 #include <config.h>
38 #include <libtest/common.h>
39
40 #include <sys/time.h>
41 #include <cstdlib>
42
43 namespace libtest {
44
45 static const struct timeval default_it_value= { 600, 0 };
46 static const struct timeval default_it_interval= { 0, 0 };
47 static const struct itimerval defualt_timer= { default_it_interval, default_it_value };
48
49 static const struct itimerval cancel_timer= { default_it_interval, default_it_interval };
50
51
52 void set_alarm()
53 {
54 if (setitimer(ITIMER_VIRTUAL, &defualt_timer, NULL) == -1)
55 {
56 Error << "setitimer() failed";
57 }
58 }
59
60 void set_alarm(long tv_sec, long tv_usec)
61 {
62 #if defined(TARGET_OS_OSX) && TARGET_OS_OSX
63 struct timeval it_value= { time_t(tv_sec), suseconds_t(tv_usec) };
64 #else
65 struct timeval it_value= { tv_sec, tv_usec };
66 #endif
67
68 struct itimerval timer= { default_it_interval, it_value };
69
70 if (setitimer(ITIMER_VIRTUAL, &timer, NULL) == -1)
71 {
72 Error << "setitimer() failed";
73 }
74 }
75
76 void cancel_alarm()
77 {
78 if (setitimer(ITIMER_VIRTUAL, &cancel_timer, NULL) == -1)
79 {
80 Error << "setitimer() failed";
81 }
82 }
83
84 } // namespace libtest
85