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| author | Gary E. Miller <gem@rellim.com> | 2015-02-02 16:11:48 -0800 |
|---|---|---|
| committer | Gary E. Miller <gem@rellim.com> | 2015-02-02 16:11:48 -0800 |
| commit | ed273157309b72fda95da43bd50a468bb23476f0 (patch) | |
| tree | a9ba12ad7dd466ceda4c54edd9dff7a3cabeb480 /gpsd.h-tail | |
| parent | b87323aac6ec6a4e12e813fa2214e8a480b77d13 (diff) | |
| download | gpsd-ed273157309b72fda95da43bd50a468bb23476f0.tar.gz | |
Add TS_SUB() to subtract timespecs. Fix another double.
Diffstat (limited to 'gpsd.h-tail')
| -rw-r--r-- | gpsd.h-tail | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gpsd.h-tail b/gpsd.h-tail index e3355821..b8d9e54c 100644 --- a/gpsd.h-tail +++ b/gpsd.h-tail @@ -931,6 +931,14 @@ extern void pps_early_init(struct gps_context_t *); TS_NORM( ts ); \ } while (0) +/* subtract two timespec */ +#define TS_SUB(r, ts1, ts2) \ + do { \ + (r)->tv_sec = (ts1)->tv_sec - (ts2)->tv_sec; \ + (r)->tv_nsec = (ts1)->tv_nsec - (ts2)->tv_nsec; \ + TS_NORM( r ); \ + } while (0) + extern void pps_thread_activate(struct gps_device_t *); extern void pps_thread_deactivate(struct gps_device_t *); extern int pps_thread_lastpps(struct gps_device_t *, struct timedrift_t *); |