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Dogcows Code - chaz/yoink/blob - src/Moof/Timer.hh
2 /*******************************************************************************
4 Copyright (c) 2009, Charles McGarvey
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
10 * Redistributions of source code must retain the above copyright notice,
11 this list of conditions and the following disclaimer.
12 * Redistributions in binary form must reproduce the above copyright notice,
13 this list of conditions and the following disclaimer in the documentation
14 and/or other materials provided with the distribution.
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
20 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *******************************************************************************/
29 #ifndef _MOOF_TIMER_HH_
30 #define _MOOF_TIMER_HH_
34 * Functions for measuring time in a friendly unit.
39 #include <boost/bind.hpp>
40 #include <boost/function.hpp>
42 #include <Moof/Math.hh>
56 ABSOLUTEE
= 1, // the ABSOLUTE keyword isn't available on win32...
60 typedef boost::function
<void(Timer
&,Scalar
)> Function
;
66 Timer(const Function
& function
, Scalar seconds
, Mode mode
= NORMAL
)
68 init(function
, seconds
, mode
);
76 void init(const Function
& function
, Scalar seconds
, Mode mode
= NORMAL
);
83 Scalar
getSecondsRemaining() const;
84 bool isExpired() const;
85 bool isRepeating() const;
89 * Get the number of seconds since a fixed, arbitrary point in the past.
93 static Scalar
getTicks();
97 * Put the thread to sleep for a certain period of time. If absolute is true,
98 * then it will sleep until seconds after the fixed time in the past. If
99 * absolute is false, it will sleep for seconds starting now. Unlike system
100 * sleep functions, this one automatically resumes sleep if sleep was
101 * interrupted by a signal. Therefore, calling this function is guaranteed to
102 * sleep for the requested amount of time (and maybe longer).
105 static void sleep(Scalar seconds
, bool absolute
= false);
108 static Scalar
getNextFire()
113 static void fireIfExpired(Scalar t
);
117 static unsigned getNewID();
118 static Scalar
findNextFire();
126 static Scalar gNextFire
;
127 static std::map
<unsigned,Timer
*> gTimers
;
134 #endif // _MOOF_TIMER_HH_
136 /** vim: set ts=4 sw=4 tw=80: *************************************************/
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