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time.c: use clock_gettime() if possible.

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2021-03-03 09:53:11 +09:00
parent 0c631a4c08
commit 5e95f11756
1 changed files with 8 additions and 0 deletions
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mrbgems/mruby-time/src/time.c
+8
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@@ -21,6 +21,7 @@
#endif #endif
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h>
#define NDIV(x,y) (-(-((x)+1)/(y))-1) #define NDIV(x,y) (-(-((x)+1)/(y))-1)
#define TO_S_FMT "%Y-%m-%d %H:%M:%S " #define TO_S_FMT "%Y-%m-%d %H:%M:%S "
@@ -382,6 +383,13 @@ current_mrb_time(mrb_state *mrb)
sec = ts.tv_sec; sec = ts.tv_sec;
usec = ts.tv_nsec / 1000; usec = ts.tv_nsec / 1000;
} }
#elif (defined(_POSIX_TIMERS) && _POSIX_TIMERS > 0) && defined(_POSIX_MONOTONIC_CLOCK)
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
sec = ts.tv_sec;
usec = ts.tv_nsec / 1000;
}
#elif defined(NO_GETTIMEOFDAY) #elif defined(NO_GETTIMEOFDAY)
{ {
static time_t last_sec = 0, last_usec = 0; static time_t last_sec = 0, last_usec = 0;