1/****************************************************************************
2 * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
3 *                                                                          *
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5 * copy of this software and associated documentation files (the            *
6 * "Software"), to deal in the Software without restriction, including      *
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9 * copies of the Software, and to permit persons to whom the Software is    *
10 * furnished to do so, subject to the following conditions:                 *
11 *                                                                          *
12 * The above copyright notice and this permission notice shall be included  *
13 * in all copies or substantial portions of the Software.                   *
14 *                                                                          *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
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21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22 *                                                                          *
23 * Except as contained in this notice, the name(s) of the above copyright   *
24 * holders shall not be used in advertising or otherwise to promote the     *
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26 * authorization.                                                           *
27 ****************************************************************************/
28
29/****************************************************************************
30 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
31 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
32 *     and: Thomas E. Dickey                        1996-on                 *
33 *     and: Juergen Pfeifer                         2009                    *
34 ****************************************************************************/
35
36/*
37 *	lib_napms.c
38 *
39 *	The routine napms.
40 *
41 *	(This file was originally written by Eric Raymond; however except for
42 *	comments, none of the original code remains - T.Dickey).
43 */
44
45#include <curses.priv.h>
46
47#if HAVE_NANOSLEEP
48#include <time.h>
49#if HAVE_SYS_TIME_H
50#include <sys/time.h>		/* needed for MacOS X DP3 */
51#endif
52#endif
53
54MODULE_ID("$Id: lib_napms.c,v 1.23 2012/06/30 22:08:24 tom Exp $")
55
56NCURSES_EXPORT(int)
57NCURSES_SP_NAME(napms) (NCURSES_SP_DCLx int ms)
58{
59    T((T_CALLED("napms(%d)"), ms));
60
61#ifdef USE_TERM_DRIVER
62    if (HasTerminal(SP_PARM)) {
63	CallDriver_1(SP_PARM, nap, ms);
64    }
65#else /* !USE_TERM_DRIVER */
66#if NCURSES_SP_FUNCS
67    (void) sp;
68#endif
69#if HAVE_NANOSLEEP
70    {
71	struct timespec request, remaining;
72	request.tv_sec = ms / 1000;
73	request.tv_nsec = (ms % 1000) * 1000000;
74	while (nanosleep(&request, &remaining) == -1
75	       && errno == EINTR) {
76	    request = remaining;
77	}
78    }
79#else
80    _nc_timed_wait(0, 0, ms, (int *) 0 EVENTLIST_2nd(0));
81#endif
82#endif /* !USE_TERM_DRIVER */
83
84    returnCode(OK);
85}
86
87#if NCURSES_SP_FUNCS
88NCURSES_EXPORT(int)
89napms(int ms)
90{
91    return NCURSES_SP_NAME(napms) (CURRENT_SCREEN, ms);
92}
93#endif
94