ncurses/tinfo/lib_napms.c

   1 /****************************************************************************
   2  * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
   3  *                                                                          *
   4  * Permission is hereby granted, free of charge, to any person obtaining a  *
   5  * copy of this software and associated documentation files (the            *
   6  * "Software"), to deal in the Software without restriction, including      *
   7  * without limitation the rights to use, copy, modify, merge, publish,      *
   8  * distribute, distribute with modifications, sublicense, and/or sell       *
   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,   *
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  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     *
  25  * sale, use or other dealings in this Software without prior written       *
  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 #ifdef HAVE_NANOSLEEP
  48 #include <time.h>
  49 #ifdef HAVE_SYS_TIME_H
  50 #include <sys/time.h>           /* needed for MacOS X DP3 */
  51 #endif
  52 #endif
  53
  54 MODULE_ID("$Id: lib_napms.c,v 1.20 2009/11/07 20:37:30 tom Exp $")
  55
  56 NCURSES_EXPORT(int)
  57 NCURSES_SP_NAME(napms) (NCURSES_SP_DCLx int ms)
  58 {
  59     (void) SP_PARM;
  60     T((T_CALLED("napms(%d)"), ms));
  61
  62 #ifdef USE_TERM_DRIVER
  63     CallDriver_1(SP_PARM, nap, ms);
  64 #else /* !USE_TERM_DRIVER */
  65 #ifdef HAVE_NANOSLEEP
  66     {
  67         struct timespec request, remaining;
  68         request.tv_sec = ms / 1000;
  69         request.tv_nsec = (ms % 1000) * 1000000;
  70         while (nanosleep(&request, &remaining) == -1
  71                && errno == EINTR) {
  72             request = remaining;
  73         }
  74     }
  75 #else
  76     _nc_timed_wait(0, 0, ms, (int *) 0 EVENTLIST_2nd(0));
  77 #endif
  78 #endif /* !USE_TERM_DRIVER */
  79
  80     returnCode(OK);
  81 }
  82
  83 #if NCURSES_SP_FUNCS
  84 NCURSES_EXPORT(int)
  85 napms(int ms)
  86 {
  87     return NCURSES_SP_NAME(napms) (CURRENT_SCREEN, ms);
  88 }
  89 #endif