1/**************************************************************************** 2 * Copyright 2018,2020 Thomas E. Dickey * 3 * Copyright 2007-2009,2016 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: Thomas E. Dickey 2007 * 32 ****************************************************************************/ 33 34#include <curses.priv.h> 35 36MODULE_ID("$Id: use_screen.c,v 1.12 2020/02/02 23:34:34 tom Exp $") 37 38NCURSES_EXPORT(int) 39use_screen(SCREEN *screen, NCURSES_SCREEN_CB func, void *data) 40{ 41 SCREEN *save_SP; 42 int code = OK; 43 TR_FUNC_BFR(1); 44 45 T((T_CALLED("use_screen(%p,%s,%p)"), 46 (void *) screen, 47 TR_FUNC_ARG(0, func), 48 (void *) data)); 49 50 /* 51 * FIXME - add a flag so a given thread can check if _it_ has already 52 * recurred through this point, return an error if so. 53 */ 54 _nc_lock_global(curses); 55 save_SP = CURRENT_SCREEN; 56 set_term(screen); 57 58 code = func(screen, data); 59 60 set_term(save_SP); 61 _nc_unlock_global(curses); 62 returnCode(code); 63} 64