1 /* $OpenBSD: lib_napms.c,v 1.7 2001/01/22 18:01:53 millert Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 33 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 34 ****************************************************************************/ 35 36 /* 37 * lib_napms.c 38 * 39 * The routine napms. 40 * 41 */ 42 43 #include <curses.priv.h> 44 45 #if HAVE_NANOSLEEP 46 #include <time.h> 47 #if HAVE_SYS_TIME_H 48 #include <sys/time.h> /* needed for MacOS X DP3 */ 49 #endif 50 #elif USE_FUNC_POLL 51 #if HAVE_SYS_TIME_H 52 #include <sys/time.h> 53 #endif 54 #elif HAVE_SELECT 55 #if HAVE_SYS_TIME_H && HAVE_SYS_TIME_SELECT 56 #include <sys/time.h> 57 #endif 58 #if HAVE_SYS_SELECT_H 59 #include <sys/select.h> 60 #endif 61 #endif 62 63 MODULE_ID("$From: lib_napms.c,v 1.11 2000/12/10 02:55:07 tom Exp $") 64 65 NCURSES_EXPORT(int) 66 napms(int ms) 67 { 68 T((T_CALLED("napms(%d)"), ms)); 69 70 #if HAVE_NANOSLEEP 71 { 72 struct timespec ts; 73 ts.tv_sec = ms / 1000; 74 ts.tv_nsec = (ms % 1000) * 1000000; 75 nanosleep(&ts, NULL); 76 } 77 #elif USE_FUNC_POLL 78 { 79 struct pollfd fds[1]; 80 poll(fds, 0, ms); 81 } 82 #elif HAVE_SELECT 83 { 84 struct timeval tval; 85 tval.tv_sec = ms / 1000; 86 tval.tv_usec = (ms % 1000) * 1000; 87 select(0, NULL, NULL, NULL, &tval); 88 } 89 #endif 90 returnCode(OK); 91 } 92