src/xz/mytime.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 //
   3 /// \file       mytime.h
   4 /// \brief      Time handling functions
   5 //
   6 //  Author:     Lasse Collin
   7 //
   8 //  This file has been put into the public domain.
   9 //  You can do whatever you want with this file.
  10 //
  11 ///////////////////////////////////////////////////////////////////////////////
  12
  13
  14 /// \brief      Number of milliseconds to between LZMA_SYNC_FLUSHes
  15 ///
  16 /// If 0, timed flushing is disabled. Otherwise if no more input is available
  17 /// and not at the end of the file and at least opt_flush_timeout milliseconds
  18 /// has elapsed since the start of compression or the previous flushing
  19 /// (LZMA_SYNC_FLUSH or LZMA_FULL_FLUSH), set LZMA_SYNC_FLUSH to flush
  20 /// the pending data.
  21 extern uint64_t opt_flush_timeout;
  22
  23
  24 #ifdef USE_SIGTSTP_HANDLER
  25 /// \brief      Signal handler for SIGTSTP
  26 extern void mytime_sigtstp_handler(int sig);
  27 #endif
  28
  29
  30 /// \brief      Store the time when (de)compression was started
  31 ///
  32 /// The start time is also stored as the time of the first flush.
  33 extern void mytime_set_start_time(void);
  34
  35
  36 /// \brief      Get the number of milliseconds since the operation started
  37 extern uint64_t mytime_get_elapsed(void);
  38
  39
  40 /// \brief      Store the time of when compressor was flushed
  41 extern void mytime_set_flush_time(void);
  42
  43
  44 /// \brief      Get the number of milliseconds until the next flush
  45 ///
  46 /// This returns -1 if no timed flushing is used.
  47 ///
  48 /// The return value is intended for use with poll().
  49 extern int mytime_get_flush_timeout(void);