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/*
* gdate-unix.c: Date and time utility functions.
*
* Author:
* Gonzalo Paniagua Javier (gonzalo@novell.com
*
* (C) 2006 Novell, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "config.h"
#include <stdio.h>
#include <glib.h>
#include <time.h>
#include <errno.h>
#include <sys/time.h>
void
g_get_current_time (GTimeVal *result)
{
struct timeval tv;
g_return_if_fail (result != NULL);
gettimeofday (&tv, NULL);
result->tv_sec = tv.tv_sec;
result->tv_usec = tv.tv_usec;
}
void
g_usleep (gulong microseconds)
{
#if defined(HAVE_CLOCK_NANOSLEEP) && !defined(__PASE__)
struct timespec target;
/*
* Use clock_nanosleep () with absolute time to prevent time drifting problems
* when nanosleep () is interrupted by signals.
*/
int ret = clock_gettime (CLOCK_MONOTONIC, &target);
g_assert (ret == 0);
target.tv_sec += microseconds / 1000000;
target.tv_nsec += (microseconds % 1000000) * 1000;
if (target.tv_nsec >= 1000000000) {
target.tv_nsec -= 1000000000;
target.tv_sec ++;
}
do {
ret = g_clock_nanosleep (CLOCK_MONOTONIC, TIMER_ABSTIME, &target, NULL);
if (ret != 0 && ret != EINTR)
g_error ("%s: clock_nanosleep () returned %d", __func__, ret);
} while (ret == EINTR);
#else
struct timespec rem, req;
req.tv_sec = microseconds / 1000000;
req.tv_nsec = (microseconds % 1000000) * 1000;
while (nanosleep (&req, &rem) == -1 && errno == EINTR)
req = rem;
#endif
}
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