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Collect platform specific bits into cor_platform
jonroach
on 2:19 PM Oct 20 2025
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#include <time.h>
static inline bool timespec_lt(struct timespec a, struct timespec b){
return a.tv_sec < b.tv_sec || (a.tv_sec == b.tv_sec && a.tv_nsec < b.tv_nsec);
}
static inline bool timespec_lte(struct timespec a, struct timespec b){
return a.tv_sec < b.tv_sec || (a.tv_sec == b.tv_sec && a.tv_nsec <= b.tv_nsec);
}
static inline bool timespec_eq(struct timespec a, struct timespec b){
return a.tv_sec == b.tv_sec && a.tv_nsec == b.tv_nsec;
}
static inline bool timespec_gt(struct timespec a, struct timespec b){
return timespec_lt(b, a);
}
static inline struct timespec timespec_sub(struct timespec a, struct timespec b){
struct timespec r;
if (a.tv_nsec < b.tv_nsec){
r.tv_nsec = 1000000000 + a.tv_nsec - b.tv_nsec;
r.tv_sec = a.tv_sec - b.tv_sec - 1;
} else {
r.tv_nsec = a.tv_nsec - b.tv_nsec;
r.tv_sec = a.tv_sec - b.tv_sec;
}
return r;
}
static inline bool timespec_gte(struct timespec a, struct timespec b){
return timespec_lte(b, a);
}
static inline bool timespec_ne(struct timespec a, struct timespec b){
return !timespec_eq(a, b);
}
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#include <time.h>
static inline struct timespec timespec_from_int64_ns(int64_t time_ns){
struct timespec r;
if (time_ns < 0){
// Round negative times towards -infinity
time_ns = -time_ns;
r.tv_nsec = 999999999 - ((time_ns-1) % 1000000000);
r.tv_sec = -((time_ns+999999999) / 1000000000);
} else {
r.tv_nsec = time_ns % 1000000000;
r.tv_sec = time_ns / 1000000000;
}
return r;
}
static inline int64_t int64_ns_from_timespec(struct timespec time){
return (int64_t)time.tv_sec * 1000000000 + time.tv_nsec;
}
static inline bool timespec_lt(struct timespec a, struct timespec b){
return a.tv_sec < b.tv_sec || (a.tv_sec == b.tv_sec && a.tv_nsec < b.tv_nsec);
}
static inline bool timespec_lte(struct timespec a, struct timespec b){
return a.tv_sec < b.tv_sec || (a.tv_sec == b.tv_sec && a.tv_nsec <= b.tv_nsec);
}
static inline bool timespec_eq(struct timespec a, struct timespec b){
return a.tv_sec == b.tv_sec && a.tv_nsec == b.tv_nsec;
}
static inline bool timespec_gt(struct timespec a, struct timespec b){
return timespec_lt(b, a);
}
static inline struct timespec timespec_sub(struct timespec a, struct timespec b){
struct timespec r;
if (a.tv_nsec < b.tv_nsec){
r.tv_nsec = 1000000000 + a.tv_nsec - b.tv_nsec;
r.tv_sec = a.tv_sec - b.tv_sec - 1;
} else {
r.tv_nsec = a.tv_nsec - b.tv_nsec;
r.tv_sec = a.tv_sec - b.tv_sec;
}
return r;
}
static inline bool timespec_gte(struct timespec a, struct timespec b){
return timespec_lte(b, a);
}
static inline bool timespec_ne(struct timespec a, struct timespec b){
return !timespec_eq(a, b);
}