diff options
Diffstat (limited to '')
| -rw-r--r-- | openbsd-compat/time.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/openbsd-compat/time.h b/openbsd-compat/time.h new file mode 100644 index 0000000..b125f73 --- /dev/null +++ b/openbsd-compat/time.h @@ -0,0 +1,61 @@ +/* + * Public domain + * sys/time.h compatibility shim + */ + +#if defined(_MSC_VER) && (_MSC_VER >= 1900) +#include <../ucrt/time.h> +#elif defined(_MSC_VER) && (_MSC_VER < 1900) +#include <../include/time.h> +#else +#include <time.h> +#endif + +#ifndef _COMPAT_TIME_H +#define _COMPAT_TIME_H + +#ifndef CLOCK_MONOTONIC +#define CLOCK_MONOTONIC CLOCK_REALTIME +#endif + +#ifndef CLOCK_REALTIME +#define CLOCK_REALTIME 0 +#endif + +#ifndef HAVE_CLOCK_GETTIME +typedef int clockid_t; +int clock_gettime(clockid_t, struct timespec *); +#endif + +#ifdef HAVE_TIMESPECSUB +#include <sys/time.h> +#endif + +#ifndef HAVE_TIMESPECSUB +#define timespecadd(tsp, usp, vsp) \ + do { \ + (vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \ + (vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \ + if ((vsp)->tv_nsec >= 1000000000L) { \ + (vsp)->tv_sec++; \ + (vsp)->tv_nsec -= 1000000000L; \ + } \ + } while (0) + +#define timespecsub(tsp, usp, vsp) \ + do { \ + (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \ + (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \ + if ((vsp)->tv_nsec < 0) { \ + (vsp)->tv_sec--; \ + (vsp)->tv_nsec += 1000000000L; \ + } \ + } while (0) + +#define timespeccmp(tsp, usp, cmp) \ + (((tsp)->tv_sec == (usp)->tv_sec) ? \ + ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \ + ((tsp)->tv_sec cmp (usp)->tv_sec)) +#endif + +#endif /* _COMPAT_TIME_H */ |