abc150085f
Some header files use __BEGIN_DECLS without including sys/cdefs.h. This causes issues for C code that compiles against these headers, which may occur with Ports.
111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <Kernel/API/POSIX/sys/time.h>
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#include <sys/cdefs.h>
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#include <time.h>
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__BEGIN_DECLS
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struct timezone {
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int tz_minuteswest;
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int tz_dsttime;
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};
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int adjtime(const struct timeval* delta, struct timeval* old_delta);
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int gettimeofday(struct timeval* __restrict__, void* __restrict__);
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int settimeofday(struct timeval* __restrict__, void* __restrict__);
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int utimes(char const* pathname, const struct timeval[2]);
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static inline void timeradd(const struct timeval* a, const struct timeval* b, struct timeval* out)
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{
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out->tv_sec = a->tv_sec + b->tv_sec;
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out->tv_usec = a->tv_usec + b->tv_usec;
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if (out->tv_usec >= 1000 * 1000) {
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out->tv_sec++;
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out->tv_usec -= 1000 * 1000;
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}
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}
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static inline void timersub(const struct timeval* a, const struct timeval* b, struct timeval* out)
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{
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out->tv_sec = a->tv_sec - b->tv_sec;
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out->tv_usec = a->tv_usec - b->tv_usec;
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if (out->tv_usec < 0) {
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out->tv_sec--;
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out->tv_usec += 1000 * 1000;
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}
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}
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static inline void timerclear(struct timeval* out)
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{
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out->tv_sec = out->tv_usec = 0;
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}
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static inline int timerisset(const struct timeval* tv)
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{
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return tv->tv_sec || tv->tv_usec;
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}
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#define timeradd timeradd
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#define timersub timersub
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#define timerclear timerclear
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#define timerisset timerisset
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#define timercmp(tvp, uvp, cmp) \
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(((tvp)->tv_sec == (uvp)->tv_sec) ? ((tvp)->tv_usec cmp(uvp)->tv_usec) : ((tvp)->tv_sec cmp(uvp)->tv_sec))
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static inline void timespecadd(const struct timespec* a, const struct timespec* b, struct timespec* out)
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{
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out->tv_sec = a->tv_sec + b->tv_sec;
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out->tv_nsec = a->tv_nsec + b->tv_nsec;
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if (out->tv_nsec >= 1000 * 1000 * 1000) {
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out->tv_sec++;
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out->tv_nsec -= 1000 * 1000 * 1000;
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}
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}
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static inline void timespecsub(const struct timespec* a, const struct timespec* b, struct timespec* out)
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{
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out->tv_sec = a->tv_sec - b->tv_sec;
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out->tv_nsec = a->tv_nsec - b->tv_nsec;
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if (out->tv_nsec < 0) {
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out->tv_sec--;
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out->tv_nsec += 1000 * 1000 * 1000;
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}
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}
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static inline void timespecclear(struct timespec* out)
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{
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out->tv_sec = out->tv_nsec = 0;
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}
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static inline int timespecisset(const struct timespec* ts)
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{
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return ts->tv_sec || ts->tv_nsec;
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}
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static inline void TIMEVAL_TO_TIMESPEC(const struct timeval* tv, struct timespec* ts)
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{
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ts->tv_sec = tv->tv_sec;
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ts->tv_nsec = tv->tv_usec * 1000;
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}
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static inline void TIMESPEC_TO_TIMEVAL(struct timeval* tv, const struct timespec* ts)
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{
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tv->tv_sec = ts->tv_sec;
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tv->tv_usec = ts->tv_nsec / 1000;
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}
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#define timespecadd timespecadd
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#define timespecsub timespecsub
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#define timespecclear timespecclear
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#define timespecisset timespecisset
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#define timespeccmp(ts, us, cmp) \
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(((ts)->tv_sec == (us)->tv_sec) ? ((ts)->tv_nsec cmp(us)->tv_nsec) : ((ts)->tv_sec cmp(us)->tv_sec))
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__END_DECLS
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