timer_lib - v1.0 - Public Domain - 2011 Mattias Jansson
This library provides a cross-platform interface to measure
elapsed time with (at least) millisecond accuracy. The latest
source code is always available at
https://github.com/mjansson/timer_lib
This library is put in the public domain; you can redistribute
it and/or modify it without any restrictions.
For a complete cross-platform application framework, look at
the foundation library available at
https://github.com/mjansson/foundation_lib
VERSION HISTORY
0.1 (2011-03-15) Initial release
0.2 (2011-03-20) Removed timer type (always high precision)
Fixed timer_ticks_per_second declaration
Added test application
0.3 (2011-03-22) Removed unused error checks in POSIX code
Made timeGetTime fallback optional in Windows code (define USE_FALLBACK to 1)
Fixed check of QPC weirdness (signed issue)
0.4 (2011-03-23) timer_lib_initialize() returns non-zero if failed (no high precision timer available)
Changed POSIX path to use CLOCK_MONOTONIC
POSIX timer_system use CLOCK_REALTIME for actual timestamp
Addded Mach-O path for MacOS X
Changed POSIX path to use nanosecond frequency as returned by clock_gettime
0.5 (2012-10-01) Merged (cleaned up) MacOSX build fixes from Nicolas Léveillé
0.6 (2013-01-11) Simplified API, only using tick_t type as timestamp and removing custom timer struct
Removed old legacy fallback code for Windows platform
0.7 (2013-01-11) Using platform_lib for platform and compiler abstraction
0.8 (2013-07-30) Made library standalone with no deps (not using deprecated platform_lib)
1.0 (2021-12-15) Updated and cleaned up for clang 10+ and Visual Studio 2022