dep/src/zthread/TimeStrategy.h

   1 /*
   2  * Copyright (c) 2005, Eric Crahen
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is furnished
   9  * to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in all
  12  * copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20  *
  21  */
  22
  23 #ifndef __ZTTIMESELECT_H__
  24 #define __ZTTIMESELECT_H__
  25
  26 #include "zthread/Config.h"
  27
  28 #ifdef HAVE_CONFIG_H
  29 #  include "config.h"
  30 #endif
  31
  32 // Select the correct TimeOps implementation based on
  33 // what the complilation environment has defined
  34
  35 #ifndef HAVE_FTIME
  36
  37 #  if defined(ZT_WIN32) || defined(ZT_WIN9X)
  38
  39 #    if !defined(__MWERKS__)
  40
  41 #      ifndef HAVE_FTIME
  42 #      define HAVE_FTIME
  43 #      endif
  44
  45 #    elif defined(__MWERKS__)
  46
  47 #      ifndef HAVE_PERFORMANCECOUNTER
  48 #      define HAVE_PERFORMANCECOUNTER
  49 #      endif
  50
  51 #    endif
  52
  53 #  endif
  54
  55 #endif
  56
  57 // Some systems require this to complete the definition of timespec
  58 // which is needed by pthreads.
  59 #if defined(HAVE_SYS_TYPES_H)
  60 #  include <sys/types.h>
  61 #endif
  62
  63 #if defined(ZT_MACOS)
  64
  65 #  include "macos/UpTimeStrategy.h"
  66
  67 #elif defined(HAVE_PERFORMANCECOUNTER)
  68
  69 #  include "win32/PerformanceCounterStrategy.h"
  70
  71 #elif defined(HAVE_FTIME)
  72
  73 #  include "posix/FtimeStrategy.h"
  74
  75 #else
  76
  77 #  include "posix/GetTimeOfDayStrategy.h"
  78
  79 #endif
  80
  81
  82 #ifndef __ZTTIMESTRATEGY_H__
  83 #error "No TimeStrategy implementation could be selected"
  84 #endif
  85
  86 #endif // __ZTTIMESELECT_H__