1
0
Fork 0
mirror of https://git.tukaani.org/xz.git synced 2024-04-04 12:36:23 +02:00
xz-archive/src/xz/mytime.h
Lasse Collin 736903c64b xz: Move some of the timing code into mytime.[hc].
This switches units from microseconds to milliseconds.

New clock_gettime(CLOCK_MONOTONIC) will be used if available.
There is still a fallback to gettimeofday().
2013-07-04 12:51:57 +03:00

47 lines
1.5 KiB
C

///////////////////////////////////////////////////////////////////////////////
//
/// \file mytime.h
/// \brief Time handling functions
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
/// \brief Number of milliseconds to between LZMA_SYNC_FLUSHes
///
/// If 0, timed flushing is disabled. Otherwise if no more input is available
/// and not at the end of the file and at least opt_flush_timeout milliseconds
/// has elapsed since the start of compression or the previous flushing
/// (LZMA_SYNC_FLUSH or LZMA_FULL_FLUSH), set LZMA_SYNC_FLUSH to flush
/// the pending data.
extern uint64_t opt_flush_timeout;
/// \brief True when flushing is needed due to expired timeout
extern bool flush_needed;
/// \brief Store the time when (de)compression was started
///
/// The start time is also stored as the time of the first flush.
extern void mytime_set_start_time(void);
/// \brief Get the number of milliseconds since the operation started
extern uint64_t mytime_get_elapsed(void);
/// \brief Store the time of when compressor was flushed
extern void mytime_set_flush_time(void);
/// \brief Get the number of milliseconds until the next flush
///
/// This returns -1 if no timed flushing is used.
///
/// The return value is inteded for use with poll().
extern int mytime_get_flush_timeout(void);