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