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comparison src/build-msvctools/compat/usleep.c @ 3061:f8299bb6c872

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Initial support for native MSVC compilation. * add MSVC support files: compiler wrappers and support libraries * adapt libiconv to work with MSVC * adapt gettext to work with MSVC
author Michael Goffioul <michael.goffioul@gmail.com>
date Mon, 17 Jun 2013 22:43:11 -0400
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3060:cbdf4575016d 3061:f8299bb6c872
1 /*
2 * usleep
3 * Implementation according to:
4 * The Open Group Base Specifications Issue 6
5 * IEEE Std 1003.1, 2004 Edition
6 */
7
8 /*
9 * THIS SOFTWARE IS NOT COPYRIGHTED
10 *
11 * This source code is offered for use in the public domain. You may
12 * use, modify or distribute it freely.
13 *
14 * This code is distributed in the hope that it will be useful but
15 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
16 * DISCLAIMED. This includes but is not limited to warranties of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
18 *
19 * Contributed by:
20 * Ramiro Polla <ramiro@lisha.ufsc.br>
21 */
22
23 #include <sys/types.h>
24 #include <errno.h>
25
26 #define WIN32_LEAN_AND_MEAN
27 #include <windows.h>
28
29 int __cdecl usleep(useconds_t useconds)
30 {
31 if(useconds == 0)
32 return 0;
33
34 if(useconds >= 1000000)
35 return EINVAL;
36
37 Sleep((useconds + 999) / 1000);
38
39 return 0;
40 }