mirror of
https://github.com/jart/cosmopolitan.git
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fa20edc44d
- Remove most __ASSEMBLER__ __LINKER__ ifdefs - Rename libc/intrin/bits.h to libc/serialize.h - Block pthread cancelation in fchmodat() polyfill - Remove `clang-format off` statements in third_party
73 lines
3 KiB
C
73 lines
3 KiB
C
#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_TIMEVAL_H_
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#define COSMOPOLITAN_LIBC_CALLS_STRUCT_TIMEVAL_H_
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#include "libc/calls/struct/timespec.h"
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#include "libc/time/struct/timezone.h"
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COSMOPOLITAN_C_START_
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struct timeval {
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int64_t tv_sec;
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int64_t tv_usec; /* microseconds */
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};
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int futimes(int, const struct timeval[2]);
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int futimesat(int, const char *, const struct timeval[2]);
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int gettimeofday(struct timeval *, struct timezone *);
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int settimeofday(const struct timeval *, const struct timezone *);
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int lutimes(const char *, const struct timeval[2]);
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int utimes(const char *, const struct timeval[2]);
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#ifdef _COSMO_SOURCE
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/* cosmopolitan libc's non-posix timevals library
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removed by default due to emacs codebase clash */
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#define timeval_zero ((struct timeval){0})
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#define timeval_max ((struct timeval){0x7fffffffffffffff, 999999})
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int timeval_cmp(struct timeval, struct timeval) pureconst;
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struct timeval timeval_real(void);
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struct timeval timeval_frommicros(int64_t) pureconst;
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struct timeval timeval_frommillis(int64_t) pureconst;
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struct timeval timeval_add(struct timeval, struct timeval) pureconst;
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struct timeval timeval_sub(struct timeval, struct timeval) pureconst;
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struct timeval timeval_subz(struct timeval, struct timeval) pureconst;
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int64_t timeval_toseconds(struct timeval);
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int64_t timeval_tomicros(struct timeval);
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int64_t timeval_tomillis(struct timeval);
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struct timeval timespec_totimeval(struct timespec) pureconst;
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static inline struct timeval timeval_fromseconds(int64_t __x) {
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return (struct timeval){__x};
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}
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static inline struct timespec timeval_totimespec(struct timeval __tv) {
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return (struct timespec){__tv.tv_sec, __tv.tv_usec * 1000};
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}
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static inline int timeval_iszero(struct timeval __tv) {
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return !(__tv.tv_sec | __tv.tv_usec);
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}
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static inline int timeval_isvalid(struct timeval __tv) {
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return __tv.tv_sec >= 0 && __tv.tv_usec + 0ull < 1000000ull;
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}
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#endif /* _COSMO_SOURCE */
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#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
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#define timerisset(t) ((t)->tv_sec || (t)->tv_usec)
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#define timerclear(t) ((t)->tv_sec = (t)->tv_usec = 0)
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#define timercmp(s, t, op) \
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((s)->tv_sec == (t)->tv_sec ? (s)->tv_usec op(t)->tv_usec \
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: (s)->tv_sec op(t)->tv_sec)
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#define timeradd(s, t, a) \
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(void)((a)->tv_sec = (s)->tv_sec + (t)->tv_sec, \
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((a)->tv_usec = (s)->tv_usec + (t)->tv_usec) >= 1000000 && \
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((a)->tv_usec -= 1000000, (a)->tv_sec++))
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#define timersub(s, t, a) \
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(void)((a)->tv_sec = (s)->tv_sec - (t)->tv_sec, \
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((a)->tv_usec = (s)->tv_usec - (t)->tv_usec) < 0 && \
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((a)->tv_usec += 1000000, (a)->tv_sec--))
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#endif
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#ifdef _GNU_SOURCE
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#define TIMEVAL_TO_TIMESPEC(tv, ts) \
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((ts)->tv_sec = (tv)->tv_sec, (ts)->tv_nsec = (tv)->tv_usec * 1000, (void)0)
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#define TIMESPEC_TO_TIMEVAL(tv, ts) \
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((tv)->tv_sec = (ts)->tv_sec, (tv)->tv_usec = (ts)->tv_nsec / 1000, (void)0)
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#endif
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COSMOPOLITAN_C_END_
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#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_TIMEVAL_H_ */
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