2 * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 #ifndef HAVE_GETTIMEOFDAY
40 typedef BOOL (WINAPI *LPFN_GETSYSTEMTIME) (LPFILETIME);
42 static LPFN_GETSYSTEMTIME lpGetSystemTime = NULL;
44 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
45 gettimeofday (struct timeval *tp, void *ignore)
51 if (lpGetSystemTime == NULL) {
53 LPFN_GETSYSTEMTIME fn;
55 h1 = GetModuleHandle(TEXT("kernel32.dll")); /* no refcount increase */
56 fn = (LPFN_GETSYSTEMTIME)GetProcAddress(h1,
57 "GetSystemTimePreciseAsFileTime");
59 fn = (LPFN_GETSYSTEMTIME)GetProcAddress(h1,
60 "GetSystemTimeAsFileTime");
65 li.LowPart = ft.dwLowDateTime;
66 li.HighPart = ft.dwHighDateTime;
69 ull -= 116444736000000000i64;
70 ull /= 10i64; /* ull is now in microseconds */
72 tp->tv_usec = (ull % 1000000i64);
73 tp->tv_sec = (ull / 1000000i64);
80 * Simple gettimeofday that only returns seconds.
82 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
83 gettimeofday (struct timeval *tp, void *ignore)
88 tp->tv_sec = (long) t;