1 /****************************************************************************
2 * Copyright 2020,2023 Thomas E. Dickey *
3 * Copyright 1998-2014,2017 Free Software Foundation, Inc. *
4 * *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
12 * *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
15 * *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * *
24 * Except as contained in this notice, the name(s) of the above copyright *
25 * holders shall not be used in advertising or otherwise to promote the *
26 * sale, use or other dealings in this Software without prior written *
27 * authorization. *
28 ****************************************************************************/
29
30 /****************************************************************************
31 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
32 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
33 * and: Thomas E. Dickey 1996-on *
34 * and: Juergen Pfeifer 2009 *
35 ****************************************************************************/
36
37 /*
38 * lib_napms.c
39 *
40 * The routine napms.
41 *
42 * (This file was originally written by Eric Raymond; however except for
43 * comments, none of the original code remains - T.Dickey).
44 */
45
46 #include <curses.priv.h>
47
48 #if HAVE_NANOSLEEP
49 #include <time.h>
50 #if HAVE_SYS_TIME_H
51 #include <sys/time.h> /* needed for MacOS X DP3 */
52 #endif
53 #endif
54
55 MODULE_ID("$Id: lib_napms.c,v 1.28 2023/09/16 16:09:33 tom Exp $")
56
NCURSES_EXPORT(int)57 NCURSES_EXPORT(int)
58 NCURSES_SP_NAME(napms) (NCURSES_SP_DCLx int ms)
59 {
60 T((T_CALLED("napms(%d)"), ms));
61
62 if (ms > MAX_DELAY_MSECS)
63 ms = MAX_DELAY_MSECS;
64
65 #ifdef USE_TERM_DRIVER
66 CallDriver_1(SP_PARM, td_nap, ms);
67 #else /* !USE_TERM_DRIVER */
68 #if NCURSES_SP_FUNCS
69 (void) sp;
70 #endif
71 #if HAVE_NANOSLEEP
72 {
73 struct timespec request, remaining;
74 request.tv_sec = ms / 1000;
75 request.tv_nsec = (ms % 1000) * 1000000;
76 while (nanosleep(&request, &remaining) == -1
77 && errno == EINTR) {
78 request = remaining;
79 }
80 }
81 #elif defined(_NC_WINDOWS)
82 Sleep((DWORD) ms);
83 #else
84 _nc_timed_wait(0, 0, ms, (int *) 0 EVENTLIST_2nd(0));
85 #endif
86 #endif /* !USE_TERM_DRIVER */
87
88 returnCode(OK);
89 }
90
91 #if NCURSES_SP_FUNCS
92 NCURSES_EXPORT(int)
napms(int ms)93 napms(int ms)
94 {
95 return NCURSES_SP_NAME(napms) (CURRENT_SCREEN, ms);
96 }
97 #endif
98