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Diffstat (limited to 'pjlib/include/pj/os.h')
| -rw-r--r-- | pjlib/include/pj/os.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/pjlib/include/pj/os.h b/pjlib/include/pj/os.h index 7b03c968..2917a2ab 100644 --- a/pjlib/include/pj/os.h +++ b/pjlib/include/pj/os.h @@ -922,6 +922,24 @@ PJ_DECL(pj_time_val) pj_elapsed_time( const pj_timestamp *start, const pj_timestamp *stop ); /** + * Calculate the elapsed time as 32-bit miliseconds. + * This function calculates the elapsed time using highest precision + * calculation that is available for current platform, considering + * whether floating point or 64-bit precision arithmetic is available. + * For maximum portability, application should prefer to use this function + * rather than calculating the elapsed time by itself. + * + * @param start The starting timestamp. + * @param stop The end timestamp. + * + * @return Elapsed time in milisecond. + * + * @see pj_elapsed_time(), pj_elapsed_cycle(), pj_elapsed_nanosec() + */ +PJ_DECL(pj_uint32_t) pj_elapsed_msec( const pj_timestamp *start, + const pj_timestamp *stop ); + +/** * Calculate the elapsed time in 32-bit microseconds. * This function calculates the elapsed time using highest precision * calculation that is available for current platform, considering |