diff options
Diffstat (limited to 'lib/qtime.h')
| -rw-r--r-- | lib/qtime.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/qtime.h b/lib/qtime.h index 38d717c0..577c34a3 100644 --- a/lib/qtime.h +++ b/lib/qtime.h @@ -96,6 +96,9 @@ Inline qtime_mono_t qt_get_monotonic(void) ; /* OR equivalent using times() */ Inline qtime_mono_t qt_add_monotonic(qtime_t interval) ; /* qt_get_monotonic() + interval */ +Inline time_t qt_get_mono_secs(void) ; + /* clock_gettime(CLOCK_MONOTONIC, ...) */ + /* OR equivalent using times() */ /* These are provided just in case gettimeofday() != CLOCK_REALTIME */ Inline qtime_tod_t qt_get_timeofday(void) ; @@ -181,6 +184,7 @@ qtime2timeval(struct timeval* p_tv, qtime_t qt) /* Function to manufacture a monotonic clock. */ Private qtime_mono_t qt_craft_monotonic(void) ; +Private time_t qt_craft_mono_secs(void) ; /*------------------------------------------------------------------------------ * Read given clock & return a qtime_t value. @@ -248,6 +252,30 @@ qt_add_monotonic(qtime_t interval) } ; /*------------------------------------------------------------------------------ + * clock_gettime(CLOCK_MONOTONIC, ...) OR qt_craft_monotonic() + * -- returning time_t value + * + * Value returned is in seconds -- for coarser grain timings. + * + * While possibility of error is essentially theoretical, must treat it as a + * FATAL error -- cannot continue with broken time value ! + */ +Inline time_t +qt_get_mono_secs(void) +{ +#ifdef HAVE_CLOCK_MONOTONIC + struct timespec ts ; + + if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0) + zabort_errno("clock_gettime failed") ; + + return ts.tv_sec ; +#else + return qt_craft_mono_secs() ; +#endif +} ; + +/*------------------------------------------------------------------------------ * gettimeofday(&tv, NULL) -- returning qtime_t value */ Inline qtime_tod_t |