diff options
author | Nick Mathewson <nickm@torproject.org> | 2018-04-10 10:47:11 -0400 |
---|---|---|
committer | Nick Mathewson <nickm@torproject.org> | 2018-04-13 10:41:08 -0400 |
commit | d8ef9a2d1e0701073d8209115bc3c34857c2d7b4 (patch) | |
tree | fd7439b0c9d3d743e9fcde67ae5ebc5ad785381f /src/common/compat_time.c | |
parent | 16f08de0fd85b9fe8ace9f4905190fa6dc27e4ea (diff) | |
download | tor-d8ef9a2d1e0701073d8209115bc3c34857c2d7b4.tar.gz tor-d8ef9a2d1e0701073d8209115bc3c34857c2d7b4.zip |
Expose a function that computes stamp units from msec.
(It turns out we can't just expose STAMP_TICKS_PER_SECOND, since
Apple doesn't have that.)
Diffstat (limited to 'src/common/compat_time.c')
-rw-r--r-- | src/common/compat_time.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/common/compat_time.c b/src/common/compat_time.c index 183a60a480..b940447b67 100644 --- a/src/common/compat_time.c +++ b/src/common/compat_time.c @@ -830,11 +830,24 @@ monotime_coarse_stamp_units_to_approx_msec(uint64_t units) return (abstime_diff * mach_time_info.numer) / (mach_time_info.denom * ONE_MILLION); } +uint64_t +monotime_msec_to_approx_coarse_stamp_units(uint64_t msec) +{ + uint64_t abstime_val = + (((uint64_t)msec) * ONE_MILLION * mach_time_info.denom) / + mach_time_info.numer; + return abstime_val >> monotime_shift; +} #else uint64_t monotime_coarse_stamp_units_to_approx_msec(uint64_t units) { return (units * 1000) / STAMP_TICKS_PER_SECOND; } +uint64_t +monotime_msec_to_approx_coarse_stamp_units(uint64_t msec) +{ + return (msec * STAMP_TICKS_PER_SECOND) / 1000; +} #endif |