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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright (c) 2017, Joyent, Inc.
*/
#include "thr_uberdata.h"
#include <cp_defs.h>
#pragma weak _gettimeofday = gettimeofday
extern int __clock_gettime_sys(clockid_t, timespec_t *);
int
gettimeofday(struct timeval *tv, void *tz)
{
comm_page_t *cp = (comm_page_t *)__uberdata.ub_comm_page;
/*
* Perform a NULL check before attempting to store the result directly.
* The old fasttrop logic would perform this same check, but after the
* call into hrestime().
*/
if (tv == NULL) {
return (0);
}
/*
* Since timeval and timespec structs feature the same effective types
* and layout of their members, the conversion can be done in-place.
*/
if (cp != NULL && __cp_can_gettime(cp) != 0) {
__cp_clock_gettime_realtime(cp, (struct timespec *)tv);
} else {
__clock_gettime_sys(CLOCK_REALTIME, (struct timespec *)tv);
}
/* Convert from tv_nsec to tv_usec */
tv->tv_usec /= 1000;
return (0);
}
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