summaryrefslogtreecommitdiff
path: root/lib/libcurses/tinfo/lib_napms.c
blob: 83fc564b71ff0c3fbcb193e1e7a52014229adf18 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
/*	$OpenBSD: lib_napms.c,v 1.4 2000/02/06 07:10:51 millert Exp $	*/

/****************************************************************************
 * Copyright (c) 1998 Free Software Foundation, 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, distribute with modifications, 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 ABOVE 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.                               *
 *                                                                          *
 * Except as contained in this notice, the name(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
 ****************************************************************************/


/*
 *	lib_napms.c
 *
 *	The routine napms.
 *
 */

#include <curses.priv.h>

#if HAVE_NANOSLEEP
#include <time.h>
#elif USE_FUNC_POLL
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#elif HAVE_SELECT
#if HAVE_SYS_TIME_H && HAVE_SYS_TIME_SELECT
#include <sys/time.h>
#endif
#if HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#endif

MODULE_ID("$From: lib_napms.c,v 1.7 2000/02/06 01:57:10 tom Exp $")

int napms(int ms)
{
	T((T_CALLED("napms(%d)"), ms));

#if HAVE_NANOSLEEP
	{
		struct timespec ts;
		ts.tv_sec = ms / 1000;
		ts.tv_nsec = (ms % 1000) * 1000000;
		nanosleep(&ts, NULL);
	}
#elif USE_FUNC_POLL
	{
		struct pollfd fds[1];
		poll(fds, 0, ms);
	}
#elif HAVE_SELECT
	{
		struct timeval tval;
		tval.tv_sec = ms / 1000;
		tval.tv_usec = (ms % 1000) * 1000;
		select(0, NULL, NULL, NULL, &tval);
	}
#endif
	returnCode(OK);
}