| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #ifndef UTIL_TIME_UTIL_H | ||
| 2 | #define UTIL_TIME_UTIL_H | ||
| 3 | |||
| 4 | #include <stdbool.h> | ||
| 5 | #include <stddef.h> | ||
| 6 | #include <sys/stat.h> | ||
| 7 | #include <time.h> | ||
| 8 | #include "debug.h" | ||
| 9 | #include "log.h" | ||
| 10 | #include "macros.h" | ||
| 11 | |||
| 12 | #define TIME_STR_BUFSIZE (64) // sizeof("292271025015-12-01 23:59:00.999999999 +0400") | ||
| 13 | #define NS_PER_SECOND (1000000000L) | ||
| 14 | #define MS_PER_SECOND (1000L) | ||
| 15 | #define NS_PER_MS (1000000L) | ||
| 16 | #define US_PER_MS (1000L) | ||
| 17 | |||
| 18 | 48 | static inline const struct timespec *get_stat_mtime(const struct stat *st) | |
| 19 | { | ||
| 20 | #if !defined(__APPLE__) | ||
| 21 | // https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_stat.h.html#tag_13_61_03:~:text=struct%20timespec%20st_mtim | ||
| 22 | 48 | return &st->st_mtim; | |
| 23 | #else | ||
| 24 | // macOS doesn't conform to POSIX 2008 and uses its own, platform-specific | ||
| 25 | // naming for the `struct stat` timespec member | ||
| 26 | return &st->st_mtimespec; | ||
| 27 | #endif | ||
| 28 | } | ||
| 29 | |||
| 30 | 212 | static inline struct timespec timespec_subtract ( | |
| 31 | const struct timespec *lhs, | ||
| 32 | const struct timespec *rhs | ||
| 33 | ) { | ||
| 34 | 212 | BUG_ON(lhs->tv_nsec >= NS_PER_SECOND); | |
| 35 | 212 | BUG_ON(rhs->tv_nsec >= NS_PER_SECOND); | |
| 36 | 212 | time_t sec = lhs->tv_sec - rhs->tv_sec; | |
| 37 | 212 | long nsec = lhs->tv_nsec - rhs->tv_nsec; | |
| 38 | 424 | return (struct timespec) { | |
| 39 | 212 | .tv_sec = sec - (nsec < 0), | |
| 40 |
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212 | .tv_nsec = nsec + (nsec < 0 ? NS_PER_SECOND : 0), |
| 41 | }; | ||
| 42 | } | ||
| 43 | |||
| 44 | 210 | static inline double timespec_to_fp_milliseconds(struct timespec ts) | |
| 45 | { | ||
| 46 | 210 | const double ms_per_s = MS_PER_SECOND; | |
| 47 | 210 | const double ns_per_ms = NS_PER_MS; | |
| 48 | 210 | return ((double)ts.tv_sec * ms_per_s) + ((double)ts.tv_nsec / ns_per_ms); | |
| 49 | } | ||
| 50 | |||
| 51 | 1 | static inline bool timespecs_equal(const struct timespec *a, const struct timespec *b) | |
| 52 | { | ||
| 53 |
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1 | return a->tv_sec == b->tv_sec && a->tv_nsec == b->tv_nsec; |
| 54 | } | ||
| 55 | |||
| 56 | // Convenience wrapper for clock_gettime(), with bool return and error logging | ||
| 57 | ✗ | static inline bool xgettime(struct timespec *ts) | |
| 58 | { | ||
| 59 | ✗ | bool r = (clock_gettime(CLOCK_MONOTONIC, ts) == 0); | |
| 60 | ✗ | if (unlikely(!r)) { | |
| 61 | ✗ | LOG_ERRNO("clock_gettime"); | |
| 62 | } | ||
| 63 | ✗ | return r; | |
| 64 | } | ||
| 65 | |||
| 66 | char *timespec_to_str(const struct timespec *ts, char buf[TIME_STR_BUFSIZE]) NONNULL_ARGS WARN_UNUSED_RESULT; | ||
| 67 | |||
| 68 | #endif | ||
| 69 |