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/*
* librd - Rapid Development C library
*
* Copyright (c) 2012, Magnus Edenhill
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#ifndef TIMEVAL_TO_TIMESPEC
#define TIMEVAL_TO_TIMESPEC(tv,ts) do { \
(ts)->tv_sec = (tv)->tv_sec; \
(ts)->tv_nsec = (tv)->tv_usec * 1000; \
} while (0)
#define TIMESPEC_TO_TIMEVAL(tv, ts) do { \
(tv)->tv_sec = (ts)->tv_sec; \
(tv)->tv_usec = (ts)->tv_nsec / 1000; \
} while (0)
#endif
#define TIMESPEC_TO_TS(ts) \
(((rd_ts_t)(ts)->tv_sec * 1000000LLU) + ((ts)->tv_nsec / 1000))
#define TS_TO_TIMESPEC(ts,tsx) do { \
(ts)->tv_sec = (tsx) / 1000000; \
(ts)->tv_nsec = ((tsx) % 1000000) * 1000; \
if ((ts)->tv_nsec > 1000000000LLU) { \
(ts)->tv_sec++; \
(ts)->tv_nsec -= 1000000000LLU; \
} \
} while (0)
#define TIMESPEC_CLEAR(ts) ((ts)->tv_sec = (ts)->tv_nsec = 0LLU)
static inline rd_ts_t rd_clock (void) RD_UNUSED;
static inline rd_ts_t rd_clock (void) {
#ifdef __APPLE__
/* No monotonic clock on Darwin */
struct timeval tv;
gettimeofday(&tv, NULL);
return ((rd_ts_t)tv.tv_sec * 1000000LLU) + (rd_ts_t)tv.tv_usec;
#else
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return ((rd_ts_t)ts.tv_sec * 1000000LLU) +
((rd_ts_t)ts.tv_nsec / 1000LLU);
#endif
}
/**
* Thread-safe version of ctime() that strips the trailing newline.
*/
static inline const char *rd_ctime (const time_t *t) RD_UNUSED;
static inline const char *rd_ctime (const time_t *t) {
static __thread char ret[27];
ctime_r(t, ret);
ret[25] = '\0';
return ret;
}
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