summaryrefslogtreecommitdiff
path: root/gr-qtgui/src/lib/highResTimeFunctions.h
diff options
context:
space:
mode:
Diffstat (limited to 'gr-qtgui/src/lib/highResTimeFunctions.h')
-rw-r--r--gr-qtgui/src/lib/highResTimeFunctions.h299
1 files changed, 0 insertions, 299 deletions
diff --git a/gr-qtgui/src/lib/highResTimeFunctions.h b/gr-qtgui/src/lib/highResTimeFunctions.h
deleted file mode 100644
index 251bbad8b..000000000
--- a/gr-qtgui/src/lib/highResTimeFunctions.h
+++ /dev/null
@@ -1,299 +0,0 @@
-#ifndef HIGH_RES_TIME_FUNCTIONS_H
-#define HIGH_RES_TIME_FUNCTIONS_H
-
-#include <ctime>
-#include <sys/time.h>
-#include <cmath>
-/* Requires the librt and libm libraries */
-
-static const long NSEC_PER_SEC = 1000000000L;
-
-static inline bool
-timespec_greater(const struct timespec* t1,
- const struct timespec* t0)
-{
- return ((t1->tv_sec > t0->tv_sec) ||
- ((t1->tv_sec == t0->tv_sec) &&
- (t1->tv_nsec > t0->tv_nsec)));
-}
-
-static inline bool
-timespec_greater(const struct timespec t1,
- const struct timespec t0)
-{
- return ((t1.tv_sec > t0.tv_sec) ||
- ((t1.tv_sec == t0.tv_sec) &&
- (t1.tv_nsec > t0.tv_nsec)));
-}
-
-static inline bool
-timespec_less(const struct timespec* t1,
- const struct timespec* t0)
-{
- return ((t1->tv_sec < t0->tv_sec) ||
- ((t1->tv_sec == t0->tv_sec) &&
- (t1->tv_nsec < t0->tv_nsec)));
-}
-
-static inline bool
-timespec_less(const struct timespec t1,
- const struct timespec t0)
-{
- return ((t1.tv_sec < t0.tv_sec) ||
- ((t1.tv_sec == t0.tv_sec) &&
- (t1.tv_nsec < t0.tv_nsec)));
-}
-
-static inline bool
-timespec_equal(const struct timespec* t1,
- const struct timespec* t0)
-{
- return ((t1->tv_sec == t0->tv_sec) &&
- (t1->tv_nsec == t0->tv_nsec));
-}
-
-static inline bool
-timespec_equal(const struct timespec t1,
- const struct timespec t0)
-{
- return ((t1.tv_sec == t0.tv_sec) &&
- (t1.tv_nsec == t0.tv_nsec));
-}
-
-static inline void
-timespec_reset(struct timespec* ret)
-{
- ret->tv_sec = 0;
- ret->tv_nsec = 0;
-}
-
-static inline void
-set_normalized_timespec(struct timespec *ts,
- time_t sec, long nsec)
-{
- while (nsec > NSEC_PER_SEC) {
- nsec -= NSEC_PER_SEC;
- ++sec;
- }
- while(nsec < 0) {
- nsec += NSEC_PER_SEC;
- --sec;
- }
- ts->tv_sec = sec;
- ts->tv_nsec = nsec;
-}
-
-static inline struct timespec
-convert_to_timespec(const double timeValue)
-{
- struct timespec ret;
- double seconds = 0;
- long nsec = static_cast<long>(modf(timeValue, &seconds) *
- static_cast<double>(NSEC_PER_SEC));
- time_t sec = static_cast<time_t>(seconds);
-
- set_normalized_timespec(&ret, sec, nsec);
-
- return ret;
-}
-
-static inline double
-convert_from_timespec(const timespec actual)
-{
- return (static_cast<double>(actual.tv_sec) +
- (static_cast<double>(actual.tv_nsec) /
- static_cast<double>(NSEC_PER_SEC)));
-}
-
-static inline void
-timespec_add(struct timespec *ret,
- const struct timespec* t1,
- const struct timespec* t0)
-{
- time_t sec = t1->tv_sec + t0->tv_sec;
- long nsec = t1->tv_nsec + t0->tv_nsec;
-
- set_normalized_timespec(ret, sec, nsec);
-}
-
-static inline void
-timespec_add(struct timespec *ret,
- const struct timespec t1,
- const struct timespec t0)
-{
- return timespec_add(ret, &t1, &t0);
-}
-
-static inline struct timespec
-timespec_add(const struct timespec t1,
- const struct timespec t0)
-{
- struct timespec ret;
- timespec_add(&ret, &t1, &t0);
- return ret;
-}
-
-static inline struct timespec
-timespec_add(const struct timespec t1,
- const double time0)
-{
- struct timespec ret;
- struct timespec t0;
- t0 = convert_to_timespec(time0);
-
- timespec_add(&ret, &t1, &t0);
-
- return ret;
-}
-
-static inline void
-timespec_subtract(struct timespec *ret,
- const struct timespec* t1,
- const struct timespec* t0)
-{
- time_t sec = t1->tv_sec - t0->tv_sec;
- long nsec = t1->tv_nsec - t0->tv_nsec;
-
- set_normalized_timespec(ret, sec, nsec);
-}
-
-static inline void
-timespec_subtract(struct timespec *ret,
- const struct timespec t1,
- const struct timespec t0)
-{
- return timespec_subtract(ret, &t1, &t0);
-}
-
-static inline struct timespec
-timespec_subtract(const struct timespec t1,
- const struct timespec t0)
-{
- struct timespec ret;
- timespec_subtract(&ret, &t1, &t0);
- return ret;
-}
-
-static inline struct timespec
-timespec_subtract(const struct timespec t1,
- const double time0)
-{
- struct timespec ret;
- struct timespec t0;
- t0 = convert_to_timespec(time0);
-
- timespec_subtract(&ret, &t1, &t0);
-
- return ret;
-}
-
-static inline double
-diff_timespec(struct timespec* ret,
- const struct timespec *t1,
- const struct timespec* t0)
-{
- struct timespec actual;
- time_t sec = 0;
- long nsec = 0;
-
- if(timespec_greater(t1, t0)){
- sec = t1->tv_sec - t0->tv_sec;
- nsec = t1->tv_nsec - t0->tv_nsec;
-
- set_normalized_timespec(&actual, sec, nsec);
-
- if(ret != NULL){
- ret->tv_sec = actual.tv_sec;
- ret->tv_nsec = actual.tv_nsec;
- }
-
- return convert_from_timespec(actual);
- }
- else{
- sec = t0->tv_sec - t1->tv_sec;
- nsec = t0->tv_nsec - t1->tv_nsec;
-
- // Do nothing with the ret value as the ret value
- // would have to store a negative, which it can't.
-
- set_normalized_timespec(&actual, sec, nsec);
-
- return (-convert_from_timespec(actual));
- }
-}
-
-static inline double
-diff_timespec(struct timespec* ret,
- const struct timespec t1,
- const struct timespec t0)
-{
- return diff_timespec(ret, &t1, &t0);
-}
-
-static inline double
-diff_timespec(const struct timespec t1,
- const struct timespec t0)
-{
- return diff_timespec(NULL, &t1, &t0);
-}
-
-
-static inline double
-diff_timespec(const struct timespec* t1,
- const struct timespec* t0)
-{
- return diff_timespec(NULL, t1, t0);
-}
-
-
-#ifdef CLOCK_REALTIME
-// If we can use clock_gettime, use it;
-// otherwise, use gettimeofday
-static inline void
-get_highres_clock(struct timespec* ret)
-{
- if(clock_gettime(CLOCK_REALTIME, ret) != 0){
- // Unable to get high resolution time -
- // fail over to low resolution time
- timeval lowResTime;
- gettimeofday(&lowResTime, NULL);
- ret->tv_sec = lowResTime.tv_sec;
- ret->tv_nsec = lowResTime.tv_usec*1000;
- }
-}
-
-#else
-
-// Trick timer functions into thinking it has an nsec timer
-// but only use the low resolution (usec) timer.
-static inline void
-get_highres_clock(struct timespec* ret)
-{
- timeval lowResTime;
- gettimeofday(&lowResTime, NULL);
- ret->tv_sec = lowResTime.tv_sec;
- ret->tv_nsec = lowResTime.tv_usec*1000;
-}
-#endif
-
-static inline struct timespec
-get_highres_clock()
-{
- struct timespec ret;
- get_highres_clock(&ret);
- return ret;
-}
-
-static inline bool
-timespec_empty(const struct timespec* ret)
-{
- return ( (ret->tv_sec == 0 ) && (ret->tv_nsec == 0) );
-}
-
-static inline bool
-timespec_empty(const struct timespec ret)
-{
- return timespec_empty(&ret);
-}
-
-#endif /* HIGH_RES_TIME_FUNCTIONS_H */
generated by cgit (git 2.34.1) at 2025-03-21 05:43:36 +0000