diff options
Diffstat (limited to 'time/sys/time.h')
| -rw-r--r-- | time/sys/time.h | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/time/sys/time.h b/time/sys/time.h index 3a0a952da4..9fa53efce3 100644 --- a/time/sys/time.h +++ b/time/sys/time.h @@ -21,10 +21,12 @@ #include <features.h> +#include <bits/types.h> +#define __need_time_t +#include <time.h> #define __need_timeval #include <bits/time.h> -#include <time.h> #include <sys/select.h> #ifndef __suseconds_t_defined @@ -35,17 +37,20 @@ typedef __suseconds_t suseconds_t; __BEGIN_DECLS +#ifdef __USE_GNU /* Macros for converting between `struct timeval' and `struct timespec'. */ -#define TIMEVAL_TO_TIMESPEC(tv, ts) { \ +# define TIMEVAL_TO_TIMESPEC(tv, ts) { \ (ts)->tv_sec = (tv)->tv_sec; \ (ts)->tv_nsec = (tv)->tv_usec * 1000; \ } -#define TIMESPEC_TO_TIMEVAL(tv, ts) { \ +# define TIMESPEC_TO_TIMEVAL(tv, ts) { \ (tv)->tv_sec = (ts)->tv_sec; \ (tv)->tv_usec = (ts)->tv_nsec / 1000; \ } +#endif +#if defined __USE_GNU || defined __USE_BSD /* Structure crudely representing a timezone. This is obsolete and should never be used. */ struct timezone @@ -54,7 +59,6 @@ struct timezone int tz_dsttime; /* Nonzero if DST is ever in effect. */ }; -#if defined __USE_GNU || defined __USE_BSD typedef struct timezone *__restrict __timezone_ptr_t; #else typedef void *__restrict __timezone_ptr_t; @@ -68,6 +72,7 @@ typedef void *__restrict __timezone_ptr_t; extern int gettimeofday (struct timeval *__restrict __tv, __timezone_ptr_t __tz) __THROW; +#ifdef __USE_MISC /* Set the current time of day and timezone information. This call is restricted to the super-user. */ extern int settimeofday (__const struct timeval *__tv, @@ -79,6 +84,7 @@ extern int settimeofday (__const struct timeval *__tv, This call is restricted to the super-user. */ extern int adjtime (__const struct timeval *__delta, struct timeval *__olddelta) __THROW; +#endif /* Values for the first argument to `getitimer' and `setitimer'. */ @@ -130,15 +136,16 @@ extern int utimes (__const char *__file, __const struct timeval __tvp[2]) __THROW; +#ifdef __USE_GNU /* Convenience macros for operations on timevals. NOTE: `timercmp' does not work for >= or <=. */ -#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) -#define timerclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0) -#define timercmp(a, b, CMP) \ +# define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) +# define timerclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0) +# define timercmp(a, b, CMP) \ (((a)->tv_sec == (b)->tv_sec) ? \ ((a)->tv_usec CMP (b)->tv_usec) : \ ((a)->tv_sec CMP (b)->tv_sec)) -#define timeradd(a, b, result) \ +# define timeradd(a, b, result) \ do { \ (result)->tv_sec = (a)->tv_sec + (b)->tv_sec; \ (result)->tv_usec = (a)->tv_usec + (b)->tv_usec; \ @@ -148,7 +155,7 @@ extern int utimes (__const char *__file, __const struct timeval __tvp[2]) (result)->tv_usec -= 1000000; \ } \ } while (0) -#define timersub(a, b, result) \ +# define timersub(a, b, result) \ do { \ (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ @@ -157,6 +164,7 @@ extern int utimes (__const char *__file, __const struct timeval __tvp[2]) (result)->tv_usec += 1000000; \ } \ } while (0) +#endif /* GNU */ __END_DECLS |